ErrLookup › caddyserver/caddy

caddyserver/caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS · Go · 217 source files

Analyzed at 50e54ee279 on 2026-08-15. 757 documented errors.

Code / Message	Type	Severity	Tags
WebSocket connections aren't allowed.	http	error	caddy, caddytls, stek, storage, locking, cluster
Disabling same-origin restrictions is not allowed.	http	error	caddy, caddytls, stek, storage, first-run
Buggy browser is sending null Origin header.	http	error	caddy, caddytls, stek, storage, corruption
syntax error: unexpected token '%s', expecting '%s', at %s:%	validation	warning	caddy, caddytls, stek, rotation, storage
--config is required	console	error	caddy, caddytls, ech, modules, dns, xcaddy
--input is required	console	error	caddy, caddytls, ech, storage, provisioning
--output is required	console	warning	caddy, caddytls, ech, rotation, storage, cluster
cannot reuse socket %v: unix socket is already in use by ano	console	warning	caddy, caddytls, ech, rotation, storage
missing 'req' argument	validation	warning	caddy, caddytls, ech, json, rotation
the 'forwarded' option is no longer supported; use the 'clie	validation	error	caddy, caddytls, ech, dns, serialization
unsupported type	validation	warning	caddy, caddytls, ech, json, publication
protocol argument was not a string	validation	error	caddy, caddytls, ech, storage, cleanup, read-only
%s is invalid policy	validation	error	caddy, caddytls, ech, storage, cleanup
`ErrInvalidSplitPath` split path contains non-ASCII characters	validation	error	caddy, caddytls, ech, storage, corruption, cleanup
rfc9112 forbids empty Host	http	error	caddy, caddytls, ech, storage, metadata, cleanup
private key does not match issuer public key	validation	error	caddy, caddytls, ech, storage, json, corruption, cleanup
invalid action type	validation	error	logging, configuration, validation, caddyfile
no metrics registry found	validation	error	metrics, admin-api, configuration, provisioning
no metrics registry found	validation	error	metrics, provisioning, testing, embedded
provisioning admin router module %s: %v	validation	error	admin-api, provisioning, plugins, startup
loading identity issuer modules: %s	validation	error	admin-api, identity, modules, configuration
access control %d public key %d: parsing base64 certificate	validation	error	admin-api, remote-admin, certificates, base64, configuration
cannot enable remote admin without a certificate cache; conf	validation	error	admin-api, remote-admin, identity, configuration, tls
no server identity configured	console	error	admin-api, identity, tls-client, modules
no identifiers configured	console	error	admin-api, identity, configuration, validation
no admin server	console	warning	admin-api, internal, shutdown, configuration
stopping admin server: %ds timeout	console	warning	admin-api, shutdown, timeout, http
shutting down admin server: %v	console	warning	admin-api, shutdown, http, timeout
request path is missing object ID	http	error	caddy, admin-api, http, routing, bad-request
malformed object path	http	error	caddy, admin-api, http, routing, bad-request
unknown object ID '%s'	http	error	caddy, admin-api, http, not-found, config
method not allowed	http	error	caddy, admin-api, http, method-not-allowed, lifecycle
decoding request body: %w, at offset %d	http	error	caddy, admin-api, json, bad-request, config
decoding request body: %w	http	error	caddy, admin-api, json, bad-request, config
no traversable path	http	error	caddy, admin-api, config, path, internal
path missing	http	warning	caddy, admin-api, config, internal, defensive
[%s] invalid array index '%s': %v	http	error	caddy, admin-api, config, path, bad-request
[%s] array index out of bounds: %s	http	error	caddy, admin-api, config, array, bad-request
encoding config: %v	http	warning	caddy, admin-api, json, encoding, io
final element is not an array	http	error	caddy, admin-api, json, config, bad-request
[%s] key already exists: %s	http	error	caddy, admin-api, config, conflict, http-409
[%s] key does not exist: %s	http	error	caddy, admin-api, config, not-found, http-404
[/%s] invalid array index '%s': %v	http	error	caddy, admin-api, config, path, array, bad-request
[/%s] array index out of bounds: %s	http	error	caddy, admin-api, config, array, bad-request
invalid traversal path at: %s	http	error	caddy, admin-api, config, path, bad-request
replacing listen address: %v	console	error	caddy, admin-api, config, placeholders, environment
parsing listener address: %v	console	error	caddy, admin-api, config, network-address, validation
must be exactly one listener address; cannot listen on: %s	console	error	caddy, admin-api, config, ports, validation
method not allowed	http	error	caddy, admin-api, http, method-not-allowed
malformed If-Match header; expect quoted string	http	error	caddy, admin-api, http, if-match, etag, validation
malformed If-Match header; expect format \"<path> <hash>\"	http	error	caddy, admin-api, http, if-match, etag, validation
encoding new config: %v	http	error	caddy, admin-api, json, serialization, plugins
%v; additionally, restoring old config: %v	http	error	caddy, admin-api, config, error-recovery, id-index
indexing config: %v	http	error	caddy, admin-api, config, id-index, validation
loading new config: %v	http	error	caddy, admin-api, config, provisioning, reload
%s: %s field must be a string or number	http	error	caddy, admin-api, config, id-index, validation
duplicate ID '%s' found at %s and %s	http	error	caddy, admin-api, config, id-index, duplicate, validation
recursive config loading detected: pulled configs cannot pul	http	error	caddy, admin-api, config, remote-config, loop-prevention
%v; additionally, aborting app %s: %v	http	error	caddy, apps, lifecycle, shutdown, compound-error
%s app module: start: %v	http	error	caddy, apps, startup, bind, lifecycle
loading storage module: %v	http	error	caddy, storage, modules, config, provisioning
creating storage value: %v	http	error	caddy, storage, certmagic, connection, modules
starting caddy administration endpoint: %v	http	error	caddy, admin-api, bind, startup, config
provisioning remote admin endpoint: %v	http	error	admin-endpoint, identity, pki, startup
loading config loader module: %s	http	error	dynamic-config, modules, admin, startup
loading dynamic config from %T: %v	http	error	dynamic-config, config-loader, startup, network
parsing duration: input string too long	validation	error	duration, parse, input-validation
%w, at %s:%d import chain ['%s']	validation	error	caddyfile, parse-error, imports, diagnostics
%w, at %s:%d	validation	error	caddyfile, parse-error, diagnostics
a cycle of imports exists between %s and %s	validation	error	caddyfile, imports, cycle, config
incomplete heredoc <<%s on line #%d, expected ending marker	validation	error	caddyfile, heredoc, lexer
missing opening heredoc marker on line #%d; must contain onl	validation	error	caddyfile, heredoc, lexer
too many '<' for heredoc on line #%d; only use two, for exam	validation	error	caddyfile, heredoc, lexer
heredoc marker on line #%d must contain only alphanumeric ch	validation	error	caddyfile, heredoc, lexer
mismatched leading whitespace in heredoc <<%s on line #%d [%	validation	error	caddyfile, heredoc, whitespace, lexer
parsing key: %v	validation	error	caddyfile, site-address, parse
server block %d, key %d (%s): determining listener address:	validation	error	caddyfile, site-address, bind, listener
the scheme wss:// is only supported in browsers; use https:/	validation	error	caddyfile, websocket, site-address, scheme
the scheme ws:// is only supported in browsers; use http://	validation	error	caddyfile, websocket, site-address, scheme
unsupported URL scheme %s://	validation	error	caddyfile, site-address, scheme
[%s] scheme and port violate convention	validation	error	caddyfile, site-address, port, scheme, convention
splitting listener address: %v	validation	error	caddyfile, bind, listener, network-address
parsing network address: %v	validation	error
invalid port '%s': %v	validation	error
port %d is out of range	validation	error
%s:%d: cannot define a matcher outside of a site block: '%s'	validation	error
%s:%d: parsed '%s' as a site address, but it is a known dire	validation	error
server block without any key is global configuration, and if	validation	error
%s:%d: unrecognized directive: %s	validation	error
parsing caddyfile tokens for '%s': %v	validation	error
%s:%d: unrecognized global option: %s	validation	error
unexpected type from 'servers' global options: %T	validation	error
unexpected type from 'log' global options: %T	validation	error
unexpected type from 'default_bind' global options: %T	validation	error
cannot have 'servers' global options with duplicate listener	validation	error
cannot have duplicate named_routes: %s	validation	error
ambiguous site definition: %s	validation	error
cannot invoke named route '%s', which was not defined	validation	error
server block %v: compiling matcher sets: %v	validation	error
config for a listener wrapper did not provide a value that i	validation	error
config for a packet conn wrapper did not provide a value tha	validation	error
consolidating TLS connection policies for server %d: %v	validation	error	caddy, tls, config, caddyfile
applying global server options: %v	validation	error	caddy, caddyfile, global-options, config
server listening on %v is configured for HTTPS and cannot na	validation	error	caddy, caddyfile, http, https, listening
%s (try specifying https:// in the address)	validation	error	caddy, caddyfile, https, address
server listening on %v is HTTP, but attempts to configure TL	validation	error	caddy, caddyfile, tls, http, conflict
server listening on %v is configured for HTTP and cannot nat	validation	error	caddy, caddyfile, http, https, listening
recombining SNI matchers: %v	validation	error	caddy, tls, json, internal
two policies with same match criteria have conflicting ALPN:	validation	error	caddy, tls, alpn, caddyfile, conflict
two policies with same match criteria have conflicting ciphe	validation	error	caddy, tls, ciphers, caddyfile, conflict
two policies with same match criteria have conflicting clien	validation	error	caddy, tls, mtls, client-auth, caddyfile
two policies with same match criteria have conflicting curve	validation	error	caddy, tls, curves, caddyfile, conflict
two policies with same match criteria have conflicting defau	validation	error	caddy, tls, sni, caddyfile, conflict
two policies with same match criteria have conflicting fallb	validation	error	caddy, tls, sni, caddyfile, conflict
two policies with same match criteria have conflicting min p	validation	error	caddy, tls, protocols, caddyfile, conflict
two policies with same match criteria have conflicting max p	validation	error	caddy, tls, protocols, caddyfile, conflict
two policies with same match criteria have conflicting cert	validation	error	caddy, tls, certificates, caddyfile, conflict
directive '%s' is not an ordered HTTP handler, so it cannot	validation	error	caddy, caddyfile, directives, ordering, plugins
unrecognized matcher name: %+v	validation	error	caddy, caddyfile, matchers, typo
server block %v: %v	validation	error	caddy, caddyfile, matchers, json
matcher is defined more than once: %s	validation	error	caddy, caddyfile, matchers, duplicate, snippets
getting matcher module '%s': %v	validation	error	caddyfile, matcher, module-registration, config-adapt
matcher module '%s' is not a Caddyfile unmarshaler	validation	error	caddyfile, matcher, plugin, interface-mismatch
matcher module '%s' is not a request matcher	validation	error	caddyfile, matcher, plugin, interface-mismatch
marshaling matcher set %#v: %v	validation	error	caddyfile, json, matcher, plugin
module %s (%T) is not a listener wrapper	validation	error	caddyfile, server-options, listener-wrapper, plugin
module %s (%T) is not a packet conn wrapper	validation	error	caddyfile, server-options, packet-conn, quic, plugin
module %s (%T) is not an IP range source	validation	error	caddyfile, trusted-proxies, ip-source, plugin
cannot use duplicate server name '%s'	validation	error	caddyfile, server-options, duplicate-name, imports
automation policy from site block is also default/catch-all	validation	error	caddyfile, tls, automation-policy, site-block
subject does not qualify for certificate: '%s'	validation	error	caddyfile, tls, certmagic, hostname-validation
filling in global issuer defaults for AP %d, issuer %d: %v	validation	error	caddyfile, tls, acme, dns-challenge, global-options
hostname appears in more than one automation policy, making	validation	error	caddyfile, tls, automation-policy, duplicate-hostname
acme_dns specified without DNS provider config, but no provi	validation	error	caddyfile, tls, acme, dns-challenge, global-options
global options are ambiguous: local_certs is confusing when	validation	error	caddyfile, tls, global-options, ambiguous-config
filling in global issuer defaults for issuer %d: %v	validation	error	caddyfile, tls, acme, global-options, dns-challenge
server responded with HTTP %d	console	error	config-loader, http, network, status-code
problem calling http loader url: %v	console	error	config-loader, http, network, tls, dns
bad response status code from http loader url: %v	console	error	config-loader, http, status-code, server-error
getting server identity credentials: %v	console	error	config-loader, tls, pki, client-certificate
failed reading ca cert: %v	console	error	config-loader, tls, file-permissions, ca-certificate
reading request body: %v	http	error	admin-api, network, request-body, http-400
loading config: %v	http	error	admin-api, config, validation, http-400
invalid Content-Type: %v	http	error	admin-api, http-headers, content-type, http-400
malformed Content-Type	validation	warning	admin-api, http-headers, content-type, defensive-check
unrecognized config adapter '%s'	validation	error	admin-api, config-adapter, content-type, http-400
adapting config using %s adapter: %v	validation	error	admin-api, caddyfile, config-adapter, http-400
reading envfile flag: %v	console	error	cli, flags, caddy-start, env
opening listener for success confirmation: %v	console	error	cli, caddy-start, network, loopback, resource-limits
creating stdin pipe: %v	console	error	cli, caddy-start, process, resource-limits
generating random confirmation bytes: %v	console	error	cli, caddy-start, crypto-rand, platform
starting caddy process: %v	console	error	cli, caddy-start, process, exec, containers
caddy process exited with error: %v	console	critical	cli, caddy-start, config, ports, startup
listen on 127.0.0.1:0: %v; listen on [::1]:0: %v	console	error	cli, caddy-start, network, loopback, resource-limits
loading initial config: %v	console	critical	cli, caddy-run, config, startup, validation
reading confirmation bytes from stdin: %v	console	error	cli, caddy-run, pingback, stdin, internal
dialing confirmation address: %v	console	error	cli, caddy-run, pingback, network, loopback
writing confirmation bytes to %s: %v	console	error	cli, caddy-run, pingback, network, internal
couldn't determine admin API address: %v	console	error
no config file to load	console	error
sending configuration to instance: %v	console	error
no build information	console	error
input file required when there is no Caddyfile in current di	console	error
adapter name is required (use --adapt flag or leave unspecif	console	error
unrecognized config adapter: %s	console	error
reading input file: %v	console	error
decoding config: %v	console	error
validation: %v	console	error
fmt does not support multiple files %s %s	console	error
reading stdin: %v	console	error
overwriting formatted file: %v	console	error
%s:%d: Caddyfile input is not formatted; Tip: use '--overwri	console	error
loading additional environment variables: %v	console	error
invalid admin address %s: %v	console	error	cli, admin-api, network-address, configuration
making request: %v	console	error	cli, admin-api, http-client, internal
performing request: %v	console	error	cli, admin-api, network, connection-refused
HTTP %d: reading error message: %v	console	error	cli, admin-api, transient, io
caddy responded with error: HTTP %d: %s	http	error	cli, admin-api, http-status, configuration
no config file to load; either use --config flag or ensure C	console	error	cli, admin-api, configuration, file-not-found
unmarshaling admin listener address from config: %v	console	error	cli, configuration, json, parsing
checking if default Caddyfile exists: %v	console	error	cli, filesystem, permissions
designated output directory and specified section are requir	console	error	cli, manpage, missing-flag
unrecognized shell: %s	console	error	cli, shell-completion, invalid-argument
wrong confirmation: %x	console	error	cli, process-lifecycle, startup, internal
cannot adapt config without config file (use --config)	console	error	cli, configuration, missing-flag, adapter
reading config from stdin: %v	console	error	cli, configuration, stdin, io
reading config from file: %v	console	error	cli, configuration, file-not-found, permissions
reading default Caddyfile: %v	console	error	cli, configuration, permissions, filesystem
unrecognized config adapter: %s	console	error	cli, adapter, plugin, invalid-argument
adapting config using %s: %v	console	error	cli, caddyfile, adapter, syntax-error, configuration
config is not valid JSON: %w, at offset %d; did you mean to	console	error	cli, configuration, json, syntax-error
config is not valid JSON: %w; did you mean to use a config a	console	error	cli, configuration, json, type-error
reading environment file: %v	console	error	cli, environment, file-not-found, permissions
parsing environment file: %v	console	error	caddy, env-file, configuration, cli, parsing
setting environment variables: %v	console	error	caddy, env-file, os, environment, cli
can't parse line %d; line should be in KEY=VALUE format	console	error	caddy, env-file, parsing, configuration
missing or empty key on line %d	console	error	caddy, env-file, parsing, configuration
invalid key on line %d: contains whitespace: %s	console	error	caddy, env-file, parsing, configuration
invalid value on line %d: whitespace before value: '%s'	console	error	caddy, env-file, parsing, configuration
unable to enumerate installed plugins: %v	console	error	caddy, upgrade, build-info, cli, plugins
module name is required	console	error	caddy, cli, packages, argument-validation
at least one package name must be specified	console	error	caddy, cli, packages, argument-validation
invalid module name: %v	console	error	caddy, add-package, argument-validation, cli
package is already added	console	warning	caddy, add-package, idempotency, cli, plugins
package is not added	console	warning	caddy, remove-package, cli, plugins
determining current executable path: %v	console	error	caddy, upgrade, os, executable, containers
retrieving current executable permission bits: %v	console	error	caddy, upgrade, filesystem, race, cli
resolving current executable symlink: %v	console	error	caddy, upgrade, symlink, filesystem, cli
download failed: %v	console	error	caddy, upgrade, network, download-api, cli, packages
backing up current binary: %v	console	error	upgrade, filesystem, permissions, cli
download succeeded, but unable to execute 'caddy list-module	console	error	upgrade, exec, subprocess, cli
download succeeded, but unable to execute 'caddy version': %	console	error	upgrade, exec, subprocess, cli
download succeeded, but unable to clean up backup binary: %v	console	warning	upgrade, cleanup, permissions, cli
no build info	console	error	build-info, upgrade, toolchain
secure request failed: %v	console	error	network, proxy, dns, upgrade
download and error decoding failed: HTTP %d: %v	console	error	network, http, api, upgrade
download failed: HTTP %d: %s (id=%s)	console	error	api, plugins, upgrade, http
cannot auto-upgrade when Go module has been replaced: %s =>	console	error	upgrade, go-modules, xcaddy, plugins
unable to open destination file: %v	console	error	upgrade, filesystem, permissions
unable to download file: %v	console	error	network, download, upgrade, retry
syncing downloaded file to device: %v	console	error	filesystem, disk, upgrade
opening input file: %v	console	error	storage, import, filesystem, cli
reading archive: %v	console	error	storage, import, tar, archive
opening output file: %v	console	error	storage, export, filesystem, cli
writing archive: %v	console	error	storage, export, tar, disk
position %d: %v	validation	error	caddy, module-system, config, json, reflection
unrecognized type for module: %s	validation	error	caddy, module-system, reflection, plugin-development
key %s: %v	validation	error	caddy, module-system, config, json, map
module name '%s': %v	validation	error	caddy, module-system, config, registration
unknown module: %s	validation	error	caddy, module-system, registration, plugins
module '%s' has no constructor	validation	error	caddy, module-system, plugin-development, constructor
decoding module config: %s: %v	validation	error	caddy, module-system, json, config, strict-decoding
module value cannot be null	validation	error	caddy, config, json, null-handling
%v; additionally, cleanup: %v	validation	error	caddy, module-system, lifecycle, cleanup, provisioning
provision %s: %v	validation	error	caddy, module-system, provisioning, lifecycle
%s: invalid configuration: %v	validation	error	caddy, module-system, validation, config
loading module '%s': %v	validation	error	caddy, module-system, json, config, inline-module
loading %s app module: %v	validation	error	caddy, apps, provisioning, error-caching, dependencies
app module %s: %w	validation	error	caddy, apps, context, not-configured
module not configured	error_code	error	caddy, apps, sentinel-error, not-configured
could not parse octal permission bits in %s: %v	validation	error	unix-socket, permissions, config, caddyfile
owner of the socket requires '-w-' (write, octal: '2') permi	validation	error	unix-socket, permissions, validation
invalid file descriptor: %v	validation	error	file-descriptor, socket-activation, listen, config
invalid socket file descriptor: %d	validation	error	file-descriptor, socket-activation, runtime
cannot reuse socket %v: %w	exception	error	unix-socket, windows, port-conflict, listen
invalid file descriptor: %v	validation	error	file-descriptor, socket-activation, listen, unix
invalid socket file descriptor: %d	validation	error	file-descriptor, socket-activation, unix, runtime
unsupported network type: %s	validation	error	listen, network, validation, config
unable to set permissions (%s) on %s: %v	exception	error	unix-socket, permissions, filesystem, listen
invalid start port: %v	validation	error	port, parsing, validation, config
invalid end port: %v	validation	error	port, parsing, validation, port-range
end port must not be less than start port	validation	error	port, port-range, validation
port range exceeds %d ports	validation	error	port, port-range, limits, validation
setting up sink log: %v	exception	error	logging, provision, config
setting up custom log '%s': %v	exception	error	logging, provision, config, caddyfile
setting up default Caddy log: %v	exception	error	logging, default, provision, environment
setting up default log: %v	exception	error	logging, default-log, options, config
loading log writer module: %v	exception	error	logging, writer, module, config
opening log writer using %#v: %v	exception	error	logging, provisioning, filesystem, permissions
loading log encoder module: %v	exception	error	logging, module-system, configuration
configuring default format for encoder module: %v	exception	error	logging, encoder, module-system
loading log core module: %v	exception	error	logging, module-system, zap
include and exclude must not intersect, but found %s in both	validation	error	logging, validation, configuration
when both include and exclude are populated, each element mu	validation	error	logging, validation, namespaces
invalid log level: %v	validation	error	logging, environment-variables, placeholders, validation
unrecognized log level: %s	validation	error	logging, validation, configuration
module not registered: %s	validation	error	module-system, registration, build
module name not specified with key '%s' in %+v	validation	error	json, module-system, configuration, validation
re-encoding module configuration: %v	exception	error	json, internal, rare
%w, at offset %d	validation	error	json, parsing, configuration
loading event subscriber modules: %v	exception	error	events, module-system, provisioning
no handlers defined	validation	error	events, validation, configuration
loading file system module: %v	exception	error	filesystem, module-system, provisioning
getting tls app: %v	exception	error	tls, http, provisioning, dependencies
getting events app: %v	exception	error	events, http, provisioning, dependencies
server %s: listener protocols count does not match address c	validation	error	http, listen, protocols, validation
loading trusted proxies modules: %v	exception	error	http, trusted-proxies, module-system, validation
server %s: %v	exception	error	caddy, http, headers, provisioning, config
server %s, listener %d: %v	exception	error	caddy, placeholders, listener, provisioning, environment
loading listener wrapper modules: %v	exception	error	caddy, modules, listener, plugins, config
it is unnecessary to specify the TLS listener wrapper in the	validation	error	caddy, tls, listener-wrappers, config
TLS listener wrapper can only be specified once	validation	error	caddy, tls, listener-wrappers, config
loading packet conn wrapper modules: %v	exception	error	caddy, modules, quic, udp, plugins
server %s: setting up route handlers: %v	exception	error	caddy, http, handlers, provisioning, config
server %s: setting up error handling routes: %v	exception	error	caddy, http, error-handling, provisioning, config
server %s: setting up named route '%s' handlers: %v	validation	error	caddy, http, named-routes, provisioning, config
server %s: setting up TLS connection policies: %v	validation	error	caddy, tls, connection-policies, config
invalid listener address '%s': %v	validation	error	caddy, listener, validation, config
server %s: listener address repeated: %s (already claimed by	validation	error	caddy, listener, validation, ports, config
server %s: logger name must not have a port: %s	validation	error	caddy, logging, validation, config
%s: parsing listen address '%s': %v	console	error	caddy, listener, placeholders, startup, environment
listening on %s: %v	console	critical	caddy, listener, network, bind, startup
network '%s' cannot handle HTTP/1 or HTTP/2 connections	console	error	caddy, listener, network, unix, startup
finalizing automatic HTTPS: %v	console	critical	caddy, https, acme, tls, certificates, startup
server graceful shutdown %ds timeout	console	warning	caddy, shutdown, grace-period, lifecycle, timeouts
server %s: setting up route matchers: %v	validation	error	caddy, matchers, auto-https, provisioning, config
%s: route %d, matcher set %d, matcher %d, host matcher %d: %	validation	error	caddy, auto-https, placeholders, config
account %d: username and password are required	validation	error
base64-decoding password: %v	validation	error
loading authentication providers: %v	validation	error
not authenticated	http	error
password does not match	console	error
plaintext is required	console	error
failed to get argon2id time parameter: %w	console	error
failed to get argon2id memory parameter: %w	console	error
failed to get argon2id threads parameter: %w	console	error
failed to get argon2id keylen parameter: %w	console	error
unrecognized hash algorithm: %s	console	error
error initializing CEL library for %T: %v	validation	error
setting up CEL environment: %v	validation	error
compiling CEL program: %s	validation	error
CEL request matcher expects return type of bool, not %s	validation	error
unsupported matcher data type: %s	validation	error
unsupported matcher data type: %s, %s	validation	error
unsupported matcher data type: %s, %s, %s	validation	error
invalid matcher factory, must be CELMatcherFactory or CELMat	validation	error
unsupported map key type in header match: %T	validation	error	caddy, cel, matcher, headers, config
unsupported value type in matcher input: %T	validation	error	caddy, cel, matcher, type-conversion
unsupported element type in matcher input list: %T	validation	error	caddy, cel, matcher, type-conversion, yaml
loading encoder modules: %v	validation	error	caddy, encode, modules, provision, xcaddy
adding encoding %s: %v	validation	error	caddy, encode, modules, plugin
encoding %s not enabled	validation	error	caddy, encode, config, validation
encoding %s is duplicated in prefer	validation	error	caddy, encode, config, validation
encoder does not specify an Accept-Encoding value	validation	error	caddy, encode, plugin, api-contract
encoder already added: %s	validation	error	caddy, encode, plugin, conflict
quality too low; must be >= %d	validation	error	caddy, gzip, encode, validation, config
quality too high; must be <= %d	validation	error	caddy, gzip, encode, validation, config
unexpected compression level, use one of '%s', '%s', '%s', '	validation	error	caddy, zstd, encode, validation, config
parsing browse template: %v	http	error	caddy, fileserver, browse, template, runtime
parsing browse template file: %v	http	error	caddy, fileserver, browse, template, filesystem
parsing default browse template: %v	http	error	caddy, fileserver, browse, template, internal
invalid precompressed flag: %v	console	error	caddy, cli, fileserver, flags
getting module named '%s': %v	console	error	caddy, cli, fileserver, modules, precompressed
module %s is not a precompressor; is %T	console	error	caddy, cli, fileserver, plugin, interface
unknown try policy %s	validation	error	caddy, fileserver, matcher, validation, config
%s	http	info	caddy, fileserver, try-files, matcher, status-code
loading encoder modules: %v	validation	error	caddy, fileserver, precompressed, provisioning, config
module %s is not precompressor	validation	error	caddy, fileserver, precompressed, module-system, interface
precompressor does not specify an Accept-Encoding value	validation	error	caddy, fileserver, precompressed, module-system, validation
precompressor does not specify a Suffix value	validation	error	caddy, fileserver, precompressed, module-system, validation
precompressor already added: %s	validation	error	caddy, fileserver, precompressed, duplicate-config, provisioning
the first option must be one of the following: %s, %s, %s, %	validation	error	caddy, fileserver, browse, sort-options, config-validation
the second option must be one of the following: %s, %s, but	validation	error	caddy, fileserver, browse, sort-options, config-validation
only max 2 sort options are allowed, but got %d	validation	error	caddy, fileserver, browse, sort-options, config-validation
illegal ADS path	http	warning	caddy, fileserver, windows, ads, security, http-400
filesystem not found	http	error	caddy, fileserver, file-system, plugin, http-404
cannot read etag from file %s: %v	http	error	caddy, fileserver, etag, permissions, io
%v: the default header modifier ('?') can only be used on re	validation	error	caddy, headers, caddyfile, config-parse, request-headers
replacement %d for header field '%s': %v	validation	error	caddy, headers, regex, re2, config-validation
cannot specify both a substring search and a regular express	validation	error	caddy, headers, replace, config-validation, json
provisioning response handler %d: %w	validation	error	caddy, intercept, handle-response, provisioning, experimental
invoke: route '%s' not found	http	error	caddy, invoke, named-routes, routing, config
parsing CIDR expression '%s': %v	validation	error	caddy, config, network, cidr, ipv4, ipv6
invalid IP address: '%s': %v	validation	error	caddy, config, network, ip-address, validation
parsing CIDR expression: '%s': %v	validation	error	caddy, config, cidr, ip-range, validation
invalid IP address: '%s': %v	validation	error	caddy, config, ip-address, ip-range, validation
destination must be a placeholder and only a placeholder	validation	error	caddy, config, map-handler, placeholder, validation
compiling regexp for mapping %d: %v	validation	error	caddy, config, regex, map-handler, re2
%d destinations != %d defaults	validation	error	caddy, config, map-handler, validation, arity
mapping %d has both input and input_regexp fields specified,	validation	error	caddy, config, map-handler, validation, mutual-exclusion
mapping %d has a duplicate input '%s' previously used with m	validation	error	caddy, config, map-handler, duplicates, validation
mapping %d has %d outputs but there are %d destinations defi	validation	error	caddy, config, map-handler, arity, validation
converting hostname '%s' to ASCII: %v	validation	error	caddy, config, dns, idna, host-matcher
host at index %d is repeated at index %d: %s	validation	warning	caddy, config, duplicates, host-matcher, idna
loading matcher sets: %v	validation	error	caddy, config, matcher, error-wrapping, not-matcher
module is not a request matcher: %T	validation	error	caddy, plugin, matcher, type-assertion, module-system
compiling matcher regexp %s: %v	validation	error	caddy, config, regex, re2, matcher
invalid regexp name (must contain only word characters): %s	validation	error	caddy, config, regex, naming, placeholder
matcher module '%s' is not a request matcher	validation	error	caddy, caddyfile, matcher, plugin, adaptation
marshaling %T matcher: %v	validation	error	caddy, plugin, json, serialization, matcher
creating OTLP metric reader: %w	validation	error	caddy, metrics, opentelemetry, environment, configuration
building OTLP metrics resource: %w	validation	error	caddy, metrics, opentelemetry, resource, environment
%s is %w	validation	error	proxy-protocol, configuration, caddyfile, validation
provisioning header operations: %v	validation	error	http2-push, headers, provisioning, configuration
due to parsing difficulties, placeholders are not allowed wh	validation	error	reverse-proxy, upstream, placeholders, configuration
parsing upstream URL: %v	validation	error	reverse-proxy, upstream, url-parsing, configuration
parsing upstream URL: parse "%v": port range invalid: %v	validation	error	reverse-proxy, port-range, upstream, configuration
for now, URLs for proxy upstreams only support scheme, host,	validation	error	reverse-proxy, upstream, rewrite, configuration
upstream address has conflicting scheme (http://) and port (	validation	error	reverse-proxy, upstream, tls, port-conflict
upstream address has conflicting scheme (https://) and port	validation	error	reverse-proxy, upstream, tls, port-conflict
upstream address has conflicting scheme (h2c://) and port (:	validation	error	reverse-proxy, h2c, grpc, port-conflict
method not allowed	http	warning	admin-api, reverse-proxy, http-method, monitoring
parsing upstream '%s': %w	validation	error	reverse-proxy, caddyfile, upstream, configuration
invalid to flag: %v	console	error	cli, reverse-proxy, flags, startup
--to is required	console	error	cli, reverse-proxy, flags, startup
invalid downstream address %s: %v	console	error	cli, reverse-proxy, address-parsing, startup
paths are not allowed: %s	console	error	cli, reverse-proxy, address-parsing, startup
invalid upstream address %s: %v	console	error	cli, reverse-proxy, upstream, startup
invalid header flag: %v	console	error	cli, reverse-proxy, headers, startup
header-up %d: invalid format "%s" (expecting "Field: value")	console	error	cli, reverse-proxy, headers, validation
header-down %d: invalid format "%s" (expecting "Field: value	console	error	cli, reverse-proxy, headers, validation
cannot use 'copy_response' outside of reverse_proxy's handle	http	error	reverse-proxy, caddyfile, handle-response, config
cannot define both 'exclude' and 'include' lists at the same	validation	error	reverse-proxy, caddyfile, validation, handle-response
cannot use 'copy_response_headers' outside of reverse_proxy'	http	error	reverse-proxy, caddyfile, handle-response, config
invalid request path	http	error	fastcgi, security, http-400, php
expect_body: compiling regular expression: %v	validation	error	reverse-proxy, health-check, regex, validation
unsupported HTTP version: %s, supported version: %s	validation	error	reverse-proxy, http-transport, validation, config
local_address must be a single address, not a port range	validation	error	reverse-proxy, http-transport, network, validation
local_address must be a TCP address, not a UDP address	validation	error	reverse-proxy, http-transport, network, validation
unsupported network	validation	error	reverse-proxy, http-transport, network, validation
failed to get proxy protocol info from context	exception	error	reverse-proxy, proxy-protocol, network, listener
unexpected proxy protocol version	validation	error	reverse-proxy, proxy-protocol, json-config, validation
failed to load network_proxy module: %v	exception	error	reverse-proxy, http-transport, modules, config
network_proxy module is not `(func(http.Request) (url.URL,	validation	error	reverse-proxy, http-transport, modules, interface
making TLS client config: %v	exception	error	reverse-proxy, tls, http-transport, config
HTTP transport TLS handshake %ds timeout	exception	error	reverse-proxy, tls, timeout, network
making TLS client config for HTTP/3 transport: %v	exception	error	reverse-proxy, http3, tls, config
making udp socket for HTTP/3 transport: %v	exception	error	network, udp, quic, http3, reverseproxy, environment
if HTTP/3 is enabled to the upstream, no other HTTP versions	validation	error	config, http3, versions, reverseproxy, validation
client_certificate_file specified without client_certificate	validation	error	config, mtls, tls, reverseproxy, validation
client_certificate_key_file specified without client_certifi	validation	error	config, mtls, tls, reverseproxy, validation
parsing CIDR expression: '%s': %v	validation	error	config, network, ip, validation, reverseproxy
invalid IP address: '%s': %v	validation	error
provisioning embedded headers handler: %v	exception	error
provisioning rewrite: %v	exception	error
provisioning default transport: %v	exception	error
provisioning transport header ops: %v	exception	error
provisioning response handler %d: %v	exception	error
preparing request for upstream round-trip: %v	http	error
making dial info: %v	exception	error
upstream response matched retry_match (status %d)	exception	error
no upstreams available	exception	error
weighted_round_robin requires at least one upstream with a p	validation	error
weight of an upstream cannot be negative	validation	error
choose must be at least 2	validation	error
query key is required	validation	error
loading fallback selection policy: %s	validation	error
header field is required	validation	error
loading upstream source modules: %v	validation	error
resolver address must have exactly one address; cannot call	validation	error
path_regexp find cannot be empty	validation	error	caddy, config, rewrite, regex, provisioning
compiling regular expression %d: %v	validation	error	caddy, regex, rewrite, config, re2
compiling regular expression %s in query rewrite replace ope	validation	error	caddy, regex, query-string, rewrite, config
replacement for query field '%s': %v	validation	error	caddy, regex, query-string, rewrite
loading matcher modules: %v	validation	error	caddy, config, matchers, module-loading, routing
loading handler modules: %v	validation	error	caddy, config, handlers, module-loading, routing
route %d: %v	validation	error	caddy, config, matchers, routing, wrapper-error
decoded module is not a RequestMatcher or RequestMatcherWith	validation	error	caddy, plugin-development, matchers, type-assertion, interfaces
%s: entry %q contains non-ASCII characters	validation	error	caddy, headers, config-validation, ascii, provisioning
%s: entry %q has '*' in an invalid position (only a trailing	validation	error	caddy, headers, wildcard, config-validation
%s: entry %q does not contain a %q	validation	error	caddy, headers, config-validation, separator
starting HTTP/3 QUIC listener: %v	console	critical	caddy, http3, quic, network, listeners, startup
network '%s' cannot handle HTTP/3 connections	console	error	caddy, http3, network, registry, embedding
%s	http	info	caddy, error-handler, static-response, placeholders, by-design
too many unflagged arguments	console	error	caddy, cli, respond, argument-validation
unflagged argument \"%s\" is overridden by flags	console	error	caddy, cli, respond, flag-conflict
invalid header flag: %v	console	error	caddy, cli, respond, flags, headers, embedding
header %d: invalid format \"%s\" (expecting \"Field: value\"	console	error	caddy, cli, headers, configuration
setting up subroutes: %v	validation	error	caddy, subroute, provisioning, configuration
setting up error subroutes: %v	validation	error	caddy, subroute, error-handling, provisioning
unterminated front matter	validation	error	caddy, templates, frontmatter, markdown
loading template extensions: %v	validation	error	caddy, templates, plugins, provisioning
delimiters must consist of exactly two elements: opening and	validation	error	caddy, templates, delimiters, configuration
root file system not specified	validation	error	caddy, templates, filesystem, configuration
parsing %s: %v	exception	error	caddy, templates, headers, recursion
virtual request cycle	exception	error	caddy, templates, recursion, http-include
http %d	exception	error	caddy, templates, http-include, status
%v is not a directory	validation	error	caddy, templates, filesystem, path
humanize: size cannot be parsed: %s	validation	warning	caddy, templates, humanize, parsing
humanize: time cannot be parsed: %s	validation	warning	caddy, templates, humanize, time, parsing
no know function was given	validation	warning	caddy, templates, humanize, validation
maybe %s: invalid number of return values: %d	exception	error	caddy, templates, reflection, plugins
tracerProvider shutdown: %w	exception	warning	caddy, tracing, opentelemetry, shutdown
creating resource error: %w	validation	error	caddy, tracing, opentelemetry, environment
creating trace exporter error: %w	validation	error	tracing, opentelemetry, environment, config, caddyhttp
tracerProvider shutdown error: %w	exception	warning	tracing, opentelemetry, shutdown, flush, lifecycle
unable to parse URL pattern: %w	validation	error	matcher, urlpattern, caddyfile, validation, caddyhttp
url_pattern expects a string argument	validation	error	cel, expression, urlpattern, caddyfile, caddyhttp
certificate lifetime (%s) should be less than intermediate c	validation	error	pki, acme, certificates, lifetime, config
configuring ACME DB: %v	validation	error	pki, acme, bbolt, database, filesystem
making folder for CA database: %v	exception	error	pki, acme, filesystem, permissions, environment
resolver address must have exactly one address; cannot call	validation	error	pki, acme, dns, resolvers, validation
acme challenge %q is not supported	validation	error	pki, acme, challenges, validation, config
resource not found: %v	http	info	pki, admin-api, http-404, routing
method not allowed: %v	http	info	pki, admin-api, http-405, read-only
failed to get root and intermediate cert for CA %s: %v	http	error	pki, admin-api, http-500, storage, certificates
missing CA in path	http	info	pki, admin-api, http-400, url
no certificate authority configured with id: %s	http	info	pki, admin-api, http-404, config
failed to provision CA %s, %w	http	error	pki, admin-api, http-500, provisioning, storage
CA ID is required (use 'local' for the default CA)	validation	error	pki, ca, validation, config
loading storage module: %v	validation	error	pki, storage, modules, plugin, config
creating storage configuration: %v	validation	error	pki, storage, modules, certmagic, config
intermediate certificate lifetime must be less than actual r	validation	error	pki, certificates, validation, lifetime, config
loading signing key: %v	exception	critical	pki, signing, root-key, storage
initializing certificate authority: %v	exception	critical	pki, step-ca, initialization, root-cert
loading root cert: %v	exception	error	pki, storage, io, root-cert
generating root: %v	exception	critical	pki, root-cert, crypto, entropy
parsing root certificate PEM: %v	exception	critical	pki, root-cert, pem, corruption
loading root key: %v	exception	critical	pki, root-key, storage, partial-state
decoding root key: %v	exception	critical	pki, root-key, pem, crypto
generating CA root: %v	exception	critical	pki, root-cert, crypto, generation
encoding root certificate: %v	exception	error	pki, pem, encoding, internal
saving root certificate: %v	exception	critical	pki, storage, io, root-cert
encoding root key: %v	exception	error	pki, root-key, pem, encoding
saving root key: %v	exception	critical	pki, storage, root-key, partial-state
loading intermediate cert: %v	exception	error	pki, storage, intermediate, io
generating new intermediate cert: %v	exception	critical	pki, intermediate, signing, crypto
decoding intermediate certificate PEM: %v	exception	critical	pki, intermediate, pem, corruption
loading intermediate key: %v	exception	critical	pki, intermediate-key, storage, partial-state
decoding intermediate key: %v	exception	critical	pki, intermediate-key, pem, crypto
generating CA intermediate: %v	exception	critical	pki, intermediate, signing, generation
encoding intermediate certificate: %v	exception	error	pki, intermediate, pem, encoding
saving intermediate certificate: %v	exception	error
encoding intermediate key: %v	exception	error
saving intermediate key: %v	exception	error
couldn't determine admin API address: %v	console	error
conflicting command line arguments, cannot use --cert with o	console	error
accessing certificate file: %v	console	error
failed to uninstall certificate file: %v	console	error
requesting CA info: %v	console	error
failed to decode JSON response: %v	console	error
failed to decode root certificate: %v	console	error
failed to parse root certificate: %v	console	error
no PEM block found	validation	error
input contained more than a single PEM block	validation	error
expected PEM block type to be CERTIFICATE, but got '%s'	validation	error
failed parsing certificate chain: %w	exception	error
unsupported format: %s	validation	error
private key type %T does not match issuer public key type %T	validation	error
unsupported key type: %T	validation	error	pki, crypto, unsupported-algorithm, certificate
loading root key: %v	exception	error	pki, maintenance, renewal, storage, permissions
generating new certificate: %v	exception	error	pki, maintenance, intermediate, renewal, key-mismatch
provisioning CA '%s': %v	exception	critical	pki, configuration, startup, provisioning
no certificate authority configured with id: %s	validation	error	pki, configuration, ca-id, internal-issuer
failed to provision default CA: %s	validation	critical	pki, default-ca, storage, lazy-provisioning
expanding email address '%s': %v	validation	error	tls, acme, placeholders, environment, configuration
expanding CA endpoint '%s': %v	validation	error	tls, acme, placeholders, environment, ca-endpoint
expanding TestCA endpoint '%s': %v	validation	error	tls, acme, placeholders, staging, environment
expanding EAB key ID '%s': %v	validation	error	tls, acme, eab, placeholders, secrets, environment
expanding EAB MAC key (redacted): %v	validation	error	tls, acme, eab, secrets, placeholders, environment
expanding account key PEM '%s': %v	validation	error	tls, acme, account-key, placeholders, secrets
expanding DNS override domain '%s': %v	validation	error	tls, acme, dns-challenge, placeholders, wildcard
loading DNS provider module: %v	validation	error	tls, acme, dns-challenge, plugin, xcaddy, credentials
DNS challenge enabled, but no DNS provider configured	validation	error	tls, acme, dns-challenge, wildcard, configuration
loading trusted root CA's PEM file: %s: %v	validation	error	tls, acme, trust-store, filesystem, containers, permissions
unable to add %s to trust pool: %v	validation	error	tls, acme, trust-store, pem, certificates
failed to load network_proxy module: %v	validation	error	tls, acme, network-proxy, plugin, xcaddy
network_proxy module is not `(func(http.Request) (url.URL,	validation	error	tls, acme, proxy, module-system, plugin
your email address is required to use ZeroSSL's ACME endpoin	validation	error	tls, acme, zerossl, configuration
forming request: %v	exception	error	tls, acme, zerossl, http
performing EAB credentials request: %v	exception	error	tls, acme, zerossl, network, firewall
decoding API response: %v	exception	error	tls, acme, zerossl, json, network
failed getting EAB credentials: HTTP %d: %s (code %d)	exception	error	tls, acme, zerossl, api-error, configuration
failed getting EAB credentials: HTTP %d	exception	error	tls, acme, zerossl, rate-limit, transient
could not convert automation policy subject '%s' to punycode	validation	error	tls, configuration, dns, idna, validation
loading TLS storage module: %v	validation	error	tls, storage, module-system, configuration
creating TLS storage configuration: %v	validation	error	tls, storage, permissions, network
loading external certificate manager modules: %v	validation	error	tls, certificates, module-system, configuration
loading TLS automation management module: %s	validation	error	tls, acme, issuers, module-system, configuration
invalid key type %s: %s	validation	error	tls, configuration, placeholders, environment
unrecognized key type: %s	validation	error	tls, configuration, key-type, validation
on-demand TLS cannot be enabled without a permission module	validation	error	tls, on-demand, abuse-prevention, configuration, security
no permission module configured; certificates not allowed ex	exception	warning	tls, on-demand, handshake, security, runtime
provisioning default issuer %d: %T: %v	validation	error	tls, acme, defaults, provisioning
parsing certificate at index %d: %v	validation	error	tls, client-auth, certificates, base64, configuration
reading %s: %v	validation	error	tls, client-auth, filesystem, permissions, configuration
parsing certificate in %s: %v	validation	error	tls, client-auth, certificates, pem, parsing
pki_root CA pool requires that a PKI app is configured: %v	validation	error	caddy, caddytls, pki, configuration, provisioning
getting CA %s: %v	validation	error	caddy, caddytls, pki, configuration, id-mismatch
CA %s has no root certificate	validation	error	caddy, caddytls, pki, certificate, provisioning
pki_intermediate CA pool requires that a PKI app is configur	validation	error	caddy, caddytls, pki, configuration, provisioning
CA %s has a nil certificate in its intermediate chain	validation	error	caddy, caddytls, pki, certificate, nil-check
loading storage module: %v	validation	error	caddy, caddytls, storage, module-loading, configuration
creating storage configuration: %v	validation	error	caddy, caddytls, storage, backend, configuration
no PEM keys specified	validation	error	caddy, caddytls, storage, configuration, validation
error loading cert '%s' from storage: %s	validation	error	caddy, caddytls, storage, missing-file, io
parsing certificate '%s': %v	validation	error	caddy, caddytls, certificate, pem, parsing
invalid TLS renegotiation level: %v	validation	error	caddy, caddytls, tls, renegotiation, configuration, validation
HTTP %d fetching CA certificate bundle from %s	validation	error	caddy, caddytls, network, http, status-code
parsing certificate from URL %s: %v	validation	error	caddy, caddytls, certificate, pem, parsing, http
failed to load system cert pool: %v	validation	error	caddy, caddytls, system, trust-store, container
no sources specified for combined CA pool	validation	error	caddy, caddytls, configuration, validation, combined-pool
loading CA pool sources: %v	validation	error	caddy, caddytls, module-loading, configuration, combined-pool
source module is not a CA pool provider	validation	error	caddy, caddytls, type-assertion, module-system, combined-pool
source %T does not implement CertificateProvider (required f	validation	error	caddy, caddytls, interface, plugin, combined-pool
source %T returned nil certificates	validation	error	caddy, caddytls, nil-check, plugin, combined-pool
source %T returned a nil certificate	validation	error	caddy, tls, x509, trust-pool, plugin
URL is required	validation	error	caddy, tls, certificates, configuration, http
got HTTP %d	console	error	caddy, tls, http, certificates, status-code, network
error reading response body: %v	console	error	caddy, tls, http, network, io
no certificates matched custom selection policy	console	error	caddy, tls, certificates, cert-selection, configuration
not a valid big integer: %s	validation	error	caddy, tls, json, cert-selection, validation
loading handshake matchers: %v	validation	error	caddy, tls, connection-policy, modules, configuration
connection policy %d: building standard TLS config: %s	validation	error	caddy, tls, connection-policy, configuration, wrapper-error
loading client cert verifiers: %v	validation	error	caddy, tls, client-auth, modules, configuration
loading handshake context module: %v	validation	error	caddy, tls, modules, connection-policy, experimental
dropping connection	console	warning	caddy, tls, connection-policy, intentional, handshake
no server TLS configuration available for ClientHello: %+v	console	error	caddy, tls, sni, connection-policy, handshake
getting tls app: %v	validation	error	caddy, tls, embedding, internal, context
handshake context: %v	console	error	caddy, tls, handshake, plugin, experimental
unsupported cipher suite: %s	validation	error	caddy, tls, cipher-suites, configuration, validation
protocol min (%x) cannot be greater than protocol max (%x)	validation	error	caddy, tls, protocol-versions, configuration, validation
provisioning client CA: %v	validation	error	caddy, tls, client-auth, trust-pool, configuration
configuring TLS client authentication: %v	validation	error	caddy, tls, client-auth, configuration, verifier
trust_pool module '%s' is not a certificate pool provider	validation	error	caddy, tls, client-auth, trust-pool, plugin, caddyfile
no CERTIFICATE pem block found in %s	validation	error	caddy, tls, pem, certificates, client-auth, file-io
conflicting config for client authentication trust CA	validation	error	tls, client-auth, config-conflict, validation
'ca' module '%s' is not a certificate pool provider	validation	error	tls, client-auth, module-system, xcaddy
client auth mode not recognized: %s	validation	error	tls, client-auth, config, validation
parsing certificate: %v	validation	error	tls, client-auth, deprecated, base64, certificate
could not parse leaf certificates loaders: %s	validation	error	tls, client-auth, module-system, config
could not load leaf certificates: %s	validation	error	tls, client-auth, file-io, containers
leaf module '%s' is not a leaf certificate loader	exception	error	tls, caddyfile, module-system, xcaddy
no client certificate provided	exception	error	tls, mtls, client-cert, handshake
can't parse the given certificate: %s	exception	error	tls, x509, handshake, client-cert
client leaf certificate failed validation	exception	error	tls, mtls, client-cert, pinning
unrecognized public key algorithm: %s (expected one of %v)	exception	error	tls, json, validation, x509
matcher module '%s' is not a connection matcher	exception	error	tls, caddyfile, module-system, xcaddy
marshaling %T matcher: %v	exception	error	tls, json, module-system, xcaddy
loading TLS storage module: %s	exception	error	tls, stek, storage, module-system
creating TLS storage configuration: %v	exception	error	tls, stek, storage, configuration
STEK gob corrupted: %v	exception	warning	tls, stek, gob, storage, corruption
encoding STEK gob: %v	exception	warning	tls, stek, gob, internal
storing STEK gob: %v	exception	warning	tls, stek, storage, infrastructure
failed to acquire storage lock: %v	exception	error
creating new STEK: %v	exception	error
loading STEK: %v	exception	error
rotating keys: %v	exception	error
loading ECH publication modules: %v	exception	error
loading configs from storage: %w	exception	error
rotating ECH configs: %w	exception	error
updating ECH keys from storage: %v	exception	error
generating and storing new replacement ECH config: %w	exception	error
marshaling updated ECH config metadata: %v	exception	error
storing updated ECH config metadata: %v	exception	error
deleting expired ECH config: %v	exception	error
marshaling ECH config list: %v	exception	error
marshaling ECH config metadata: %v	exception	error
error loading private key (%v) and cleaning up parent storag	exception	error
error loading ECH config (%v) and cleaning up parent storage	exception	error
error loading ECH config metadata (%v) and cleaning up paren	exception	error
error decoding ECH metadata (%v) and cleaning up parent stor	exception	error
generating unique config ID: %v	exception	error	tls, ech, storage, provisioning
marshaling ECH private key: %v	exception	error	tls, ech, crypto, internal
marshaling ECH config: %v	exception	error	tls, ech, validation, serialization
storing ECH private key: %v	exception	error	tls, ech, storage, permissions
storing ECH config: %v	exception	error	tls, ech, storage, partial-write
storing ECH config metadata: %v	exception	error	tls, ech, storage, partial-write
loading ECH DNS provider module: %v	validation	error	tls, ech, dns, module-system, config
ECH DNS provider module is not an ECH DNS Provider: %v	validation	error	tls, ech, dns, module-system, type-assertion
could not determine zone for domain: %w (domain=%s nameserve	exception	warning	tls, ech, dns, network, soa
unable to get existing DNS records to publish ECH data to HT	exception	warning	tls, ech, dns, api, authentication
unable to publish ECH data to HTTPS DNS record: %w (zone=%s	exception	warning	tls, ech, dns, api, https-record
supported version must be %d: got %d	exception	error	tls, ech, serialization, version-mismatch, storage
invalid KEM ID: %d	exception	error	tls, ech, crypto, hpke, serialization
parsing public_key: %w	exception	error	tls, ech, crypto, hpke, serialization
invalid KDF ID: %d	exception	error	tls, ech, crypto, hpke, serialization
invalid AEAD ID: %d	exception	error	tls, ech, crypto, hpke, serialization
public name length (%d) must be in the range 1-255	validation	error	tls, ech, validation, dns
depleted attempts to find an available config_id	exception	error	tls, ech, storage, capacity, rotation
encrypted private keys are not supported; please decrypt the	validation	error	tls, certificates, pem, encryption, config
unrecognized certificate/key encoding format: %s	validation	error
unable to open root directory %s: %w	validation	error
unable to traverse into path: %s	validation	error
unable to get relative path for %s: %w	validation	error
%s: %w	validation	error
walking certificates directory %s: %w	validation	error
expected elliptic private key to immediately follow EC param	validation	error
unrecognized PEM block type: %s	validation	error
failed to parse PEM data	validation	error
no private key block found	validation	error
encrypted private keys are not supported; please decrypt the	validation	error
making X509 key pair: %v	validation	error
no CERTIFICATE pem block found in %s	validation	error
unable to traverse into path: %s	validation	error
%s: %w	validation	error
PEM leaf certificate loader, cert %d: %v	validation	error
PEM cert %d: %v	validation	error
loading storage module: %v	validation	error
creating storage configuration: %v	validation	error
no CERTIFICATE pem block found in the given pem data	validation	error
compiling matcher regexp %s: %v	validation	error
invalid regexp name (must contain only word characters): %s	validation	error
parsing CIDR expression: %v	validation	error
invalid IP address: '%s': %v	validation	error
preparing 'ask' endpoint: %v	console	error
parsing ask URL: %v	console	error
checking %v to determine if certificate for hostname '%s' sh	console	error
%s: %w %s - non-2xx status code %d	console	error
following http redirects is not allowed	console	error
PEM pair %d: %v	validation	error
loading TLS session ticket ephemeral keys provider module: %	validation	error
setting STEK module configuration: %v	validation	error
generating STEK: %v	console	error
encrypted private keys are not supported; please decrypt the	validation	error
unrecognized certificate/key encoding format: %s	validation	error
getting events app: %v	validation	error
loading overall DNS provider module: %v	validation	error	caddy, dns, module-loading, provisioning, tls
DNS module does not implement the most common libdns interfa	validation	error	caddy, dns, libdns, interfaces, version-mismatch
loading certificate loader modules: %s	validation	error	caddy, tls, certificates, module-loading, config
loading certificates with 'automate' requires array of strin	validation	error	caddy, tls, automate, json, type-mismatch
loading certificates: %v	validation	error	caddy, tls, certificates, filesystem, pem
caching unmanaged certificate: %v	validation	error	caddy, tls, certificate-cache, certmagic, pem
on-demand TLS config conflict: both 'ask' endpoint and a 'pe	validation	error	caddy, tls, on-demand, config-conflict, deprecation
loading on-demand TLS permission module: %v	validation	error	caddy, tls, on-demand, module-loading, permission
provisioning default public automation policy: %v	validation	error	caddy, tls, automation-policy, provisioning, acme
provisioning default internal automation policy: %v	validation	error	caddy, tls, automation-policy, internal-issuer, pki
provisioning automation policy %d: %v	validation	error	caddy, tls, automation-policy, provisioning, config
preparing 'ask' endpoint: %v	validation	error	caddy, tls, on-demand, placeholders, environment-variables
provisioning 'ask' module: %v	validation	error	caddy, tls, on-demand, url-validation, ask-endpoint
provisioning session tickets configuration: %v	validation	error	caddy, tls, session-tickets, stek, module-loading
provisioning Encrypted ClientHello components: %v	validation	error	caddy, tls, ech, encrypted-clienthello, dns
automation policy %d is the second policy that acts as defau	validation	error	caddy, tls, automation-policy, validation, config
automation policy %d: cannot apply more than one automation	validation	error	caddy, tls, automation-policy, validation, duplicate-subject
cache capacity must be >= 0	validation	error	caddy, tls, cache, validation, config
automate: managing %v: %v	console	critical	caddy, tls, acme, certificate-management, startup
automate: manage %v: %v	console	error	caddy, tls, acme, manage, certificate-renewal
loading DNS provider module: %v	validation	error
provisioning fallback encoder module: %v	validation	error
loading fallback encoder module: %v	validation	error
invalid filename for log file: %v	validation	error
dir_mode: %w	console	error
unable to stat log file to see if we need to set permissions	console	error
invalid roll_compression: %s	validation	error
path component %s exists and is not a directory	validation	error
provisioning fallback encoder module: %v	validation	error
loading fallback encoder module: %v	validation	error
loading log filter modules: %v	validation	error
adding regexp operation for field %s: %v	validation	error
too many regexp operations: %d (maximum %d allowed)	validation	error
multi_regexp filter requires at least one operation	validation	error
regexp pattern %d too long: %d characters (maximum %d)	validation	error
regexp pattern %d cannot be empty	validation	error
compiling regexp pattern %d (%s): %v	validation	error
cannot add operation: maximum %d operations allowed	validation	error	caddy, logging, regexp, limits
regexp pattern cannot be empty	validation	error	caddy, logging, regexp, validation
regexp pattern too long: %d characters (maximum %d)	validation	error	caddy, logging, regexp, limits
provisioning fallback encoder module: %v	validation	error	caddy, logging, journald, provisioning
loading wrapped encoder module: %v	validation	error	caddy, logging, journald, module-loading
invalid host in address: %v	validation	error	caddy, logging, network, placeholders
parsing network address '%s': %v	validation	error	caddy, logging, network, address-parsing
multiple ports not supported	validation	error	caddy, logging, network, ports
timeout cannot be less than 0	validation	error	caddy, logging, network, timeout
too many unclosed placeholders	validation	error	caddy, replacer, placeholders, dos-protection
unrecognized placeholder %s%s%s	validation	error	caddy, replacer, placeholders, config
evaluated placeholder %s%s%s is empty	validation	error	caddy, replacer, placeholders, environment
command short string is required	panic	critical	caddy, cli, plugin, panic
command already registered: %s	panic	critical	caddy, cli, plugin, panic, naming
invalid command name	panic	critical	caddy, cli, plugin, panic, naming
field %s does not exist in %#v	panic	critical	caddy, module-system, reflection, panic, plugin
malformed tag on field %s: %v	panic	critical	caddy, go, module-system, struct-tag, panic
missing 'namespace' key in struct tag on field %s	panic	critical	caddy, go, module-system, struct-tag, panic
unable to determine module name without inline_key when type	panic	critical	caddy, go, module-system, struct-tag, panic
unable to determine module name without inline_key because t	panic	critical	caddy, go, module-system, struct-tag, panic
expected ModuleMap because inline_key is empty; but we do no	panic	critical	caddy, go, module-system, modulemap, panic
more than 1 module passed in	panic	error	caddy, go, logging, deprecated-api, panic
config missing, unable to create dev logger: %v	panic	error	caddy, go, logging, zap, test-environment, panic
network type %s is reserved	panic	critical	caddy, go, network, listeners, plugin, panic
network type %s is already registered	panic	critical	caddy, go, network, plugin, duplicate-registration, panic
module ID missing	panic	critical	caddy, go, module-system, registration, panic
module ID '%s' is reserved	panic	critical	caddy, go, module-system, reserved-name, panic
missing ModuleInfo.New	panic	critical	caddy, go, module-system, registration, panic
ModuleInfo.New must return a non-nil module instance	panic	critical	caddy, go, module-system, registration, nil-check, panic
module already registered: %s	panic	critical	caddy, go, module-system, duplicate-registration, build, panic
not implemented	panic	error	caddy, cel, expression-matcher, caddyfile, runtime-panic
network type %s is already registered	panic	critical	caddy, go, http3, network, plugin, duplicate-registration, panic
deleted more than stored: %#v (usage: %d)	panic	critical	caddy, go, usagepool, reference-counting, lifecycle, panic