cloudflare/cloudflared · error

ErrURLIncompatibleWithIngress

ErrURLIncompatibleWithIngress

Error message

You can't set the --url flag (or $TUNNEL_URL) when using multiple-origin ingress rules

What it means

ErrURLIncompatibleWithIngress (public) is returned when the --url flag (or $TUNNEL_URL) is set alongside config-file ingress rules. These two routing mechanisms are mutually exclusive: --url defines a single origin, while ingress rules define multiple origins.

Source

Thrown at ingress/ingress.go:27

	"strings"

	"github.com/pkg/errors"
	"github.com/rs/zerolog"
	"github.com/urfave/cli/v2"
	"golang.org/x/net/idna"

	"github.com/cloudflare/cloudflared/config"
	"github.com/cloudflare/cloudflared/ingress/middleware"
	"github.com/cloudflare/cloudflared/ipaccess"
)

var (
	ErrNoIngressRules             = errors.New("The config file doesn't contain any ingress rules")
	ErrNoIngressRulesCLI          = errors.New("No ingress rules were defined in provided config (if any) nor from the cli, cloudflared will return 503 for all incoming HTTP requests")
	errLastRuleNotCatchAll        = errors.New("The last ingress rule must match all URLs (i.e. it should not have a hostname or path filter)")
	errBadWildcard                = errors.New("Hostname patterns can have at most one wildcard character (\"*\") and it can only be used for subdomains, e.g. \"*.example.com\"")
	errHostnameContainsPort       = errors.New("Hostname cannot contain a port")
	ErrURLIncompatibleWithIngress = errors.New("You can't set the --url flag (or $TUNNEL_URL) when using multiple-origin ingress rules")
)

const (
	ServiceBastion     = "bastion"
	ServiceSocksProxy  = "socks-proxy"
	ServiceWarpRouting = "warp-routing"
)

// FindMatchingRule returns the index of the Ingress Rule which matches the given
// hostname and path. This function assumes the last rule matches everything,
// which is the case if the rules were instantiated via the ingress#Validate method.
//
// Negative index rule signifies local cloudflared rules (not-user defined).
func (ing Ingress) FindMatchingRule(hostname, path string) (*Rule, int) {
	// The hostname might contain port. We only want to compare the host part with the rule
	host, _, err := net.SplitHostPort(hostname)
	if err == nil {
		hostname = host

View on GitHub (pinned to 2253eeeb25)

Solutions

  1. Remove the --url flag from the command line
  2. Unset the TUNNEL_URL environment variable (unset TUNNEL_URL)
  3. Keep the origin routing solely in the ingress rules config file

Example fix

// before
TUNNEL_URL=http://localhost:8080 cloudflared tunnel ingress validate
// after
unset TUNNEL_URL
cloudflared tunnel ingress validate
Defensive patterns

Strategy: validation

Validate before calling

if os.Getenv("TUNNEL_URL") != "" { // remove it before using ingress rules }

Prevention

When it happens

Trigger: validateIngressCommand sees c.IsSet("url") true while the user is running an ingress-related tunnel command that also loads ingress rules from a config file.

Common situations: Environment variable TUNNEL_URL left set in the shell/container while using a config.yml with ingress rules; mixing CLI single-origin flags with a multi-origin config during migration.

Understand the failure class

Background: "mutually exclusive" flag errors: what "can't supply both nx and xx", "--raw is not compatible with -i" and "cannot be used with" mean, and how to fix them — this error's family across 29 libraries.

Related errors


AI-assisted analysis of cloudflare/cloudflared@2253eeeb25 (2026-09-06). Data as JSON: /api/errors/539d8d68647acd76. Report an issue: GitHub.