{"record":{"id":"eb8bfd14919757cc","repo":"juanfont/headscale","slug":"autogroup-not-supported-for-acl-destinations","errorCode":null,"errorMessage":"autogroup not supported for ACL destinations","messagePattern":"autogroup not supported for ACL destinations","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"hscontrol/policy/v2/types.go","lineNumber":138,"sourceCode":"\tErrInvalidAlias                = errors.New(\"invalid alias format\")\n\tErrInvalidAutoApprover         = errors.New(\"invalid auto approver format\")\n\tErrInvalidOwner                = errors.New(\"invalid owner format\")\n\tErrGroupNotDefined             = errors.New(\"group not defined in policy\")\n\tErrInvalidGroupMember          = errors.New(\"invalid group member type\")\n\tErrGroupValueNotArray          = errors.New(\"group value must be an array of users\")\n\tErrInvalidHostIP               = errors.New(\"hostname contains invalid IP address\")\n\tErrTagNotDefined               = errors.New(\"tag not found\")\n\tErrAutoApproverNotAlias        = errors.New(\"auto approver is not an alias\")\n\tErrInvalidACLAction            = errors.New(\"invalid ACL action\")\n\tErrInvalidSSHAction            = errors.New(\"invalid SSH action\")\n\tErrInvalidProtocolNumber       = errors.New(\"invalid protocol number\")\n\tErrProtocolLeadingZero         = errors.New(\"leading 0 not permitted in protocol number\")\n\tErrProtocolOutOfRange          = errors.New(\"protocol number out of range (0-255)\")\n\tErrAutogroupNotSupported       = errors.New(\"autogroup not supported in headscale\")\n\tErrAutogroupInternetSrc        = errors.New(\"autogroup:internet can only be used in ACL destinations\")\n\tErrAutogroupSelfSrc            = errors.New(\"\\\"autogroup:self\\\" not valid on the src side of a rule\")\n\tErrAutogroupNotSupportedACLSrc = errors.New(\"autogroup not supported for ACL sources\")\n\tErrAutogroupNotSupportedACLDst = errors.New(\"autogroup not supported for ACL destinations\")\n\tErrAutogroupDangerAllDst       = errors.New(\"cannot use autogroup:danger-all as a dst\")\n\tErrAutogroupNotSupportedSSHSrc = errors.New(\"autogroup not supported for SSH sources\")\n\tErrAutogroupNotSupportedSSHDst = errors.New(\"autogroup not supported for SSH destinations\")\n\tErrHostNotDefined              = errors.New(\"host not defined in policy\")\n\tErrSSHSourceAliasNotSupported  = errors.New(\"alias not supported for SSH source\")\n\tErrSSHDestAliasNotSupported    = errors.New(\"alias not supported for SSH destination\")\n\tErrUnknownField                = errors.New(\"unknown field\")\n\tErrProtocolNoSpecificPorts     = errors.New(\"protocol does not support specific ports\")\n\tErrTestEmptyAssertions         = errors.New(\"test entry must have at least one of \\\"accept\\\" or \\\"deny\\\"\")\n\tErrTestProtocolNotAllowed      = errors.New(\"test protocol must be tcp, udp, sctp, or empty\")\n\tErrTestDestinationMultiPort    = errors.New(\"test destination port must be a single port\")\n\tErrTestDestinationCIDR         = errors.New(\"test destination must be a single host, not a CIDR range\")\n\tErrAutogroupInternetTestDst    = errors.New(\"autogroup:internet not valid as a test destination\")\n\tErrSSHTestEmptySrc             = errors.New(\"SSH tests entry must have a non-empty src\")\n\tErrSSHTestEmptyDst             = errors.New(\"SSH tests entry must have at least one dst\")\n\tErrSSHTestDstUnknownTag        = errors.New(\"SSH tests dst contains unknown tag\")\n\tErrSSHTestDstDisallowedElement = errors.New(\"SSH tests dst contains disallowed element\")\n)","sourceCodeStart":120,"sourceCodeEnd":156,"githubUrl":"https://github.com/juanfont/headscale/blob/565fd254d06c4c7f9a8cad1714a43445c79ba420/hscontrol/policy/v2/types.go#L120-L156","documentation":"Returned by validateAutogroupForDst (hscontrol/policy/v2/types.go:2062) when an autogroup used as an ACL destination is not in autogroupForDst = {autogroup:internet, autogroup:member, autogroup:tagged, autogroup:self} (types.go:1999). autogroup:danger-all is special-cased to its own error (2058) first. The error message embeds the allowed destination autogroups.","triggerScenarios":"An ACL dst containing an autogroup outside the allowed four (other than danger-all). Today the parse set makes this a forward-compatibility guard, but any newly added dst-only autogroup misuse lands here.","commonSituations":"Using autogroup:danger-all in dst (gets the dedicated danger-all error) or future autogroups in the wrong slot; converting Tailscale grants where dst autogroup semantics differ.","solutions":["Use one of autogroup:internet, autogroup:member, autogroup:tagged, autogroup:self as the dst autogroup","Remember dst requires a port suffix, e.g. \"autogroup:member:22\"","If you meant 'everywhere', a \"*:port\" wildcard dst may express it without an autogroup"],"exampleFix":"// before\n{\"action\": \"accept\", \"src\": [\"group:dev\"], \"dst\": [\"autogroup:future-group:443\"]}\n\n// after\n{\"action\": \"accept\", \"src\": [\"group:dev\"], \"dst\": [\"autogroup:member:443\"]}","handlingStrategy":"validation","validationCode":"dstAutogroups := map[string]bool{\"autogroup:internet\": true, \"autogroup:member\": true, \"autogroup:tagged\": true, \"autogroup:self\": true}\nfor _, d := range acl.Dst {\n\tif strings.HasPrefix(d.Alias, \"autogroup:\") && !dstAutogroups[d.Alias] {\n\t\treturn fmt.Errorf(\"%s not allowed as dst\", d.Alias)\n\t}\n}","typeGuard":"func isAutogroupNotSupportedACLDst(err error) bool {\n\treturn errors.Is(err, policy.ErrAutogroupNotSupportedACLDst)\n}","tryCatchPattern":"if err := p.Validate(); err != nil {\n\tif errors.Is(err, policy.ErrAutogroupNotSupportedACLDst) {\n\t\treturn fmt.Errorf(\"illegal dst autogroup (legal: internet, member, tagged, self): %w\", err)\n\t}\n\treturn err\n}","preventionTips":["Remember dst autogroups need a port suffix (autogroup:member:22)","Keep the four legal dst autogroups on a cheat sheet next to policy files","Lint dst entries for autogroup:danger-all specifically — it has its own error"],"tags":["policy","autogroup","acl","validation"],"backgroundTag":null,"analyzedSha":"565fd254d06c4c7f9a8cad1714a43445c79ba420","analyzedAt":"2026-08-15T13:12:30.133Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}