{"record":{"id":"bc712d78df4daa98","repo":"netbirdio/netbird","slug":"remove-iptables-forward-rule-v","errorCode":null,"errorMessage":"remove iptables forward rule: %v","messagePattern":"remove iptables forward rule: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"client/firewall/nftables/router_linux.go","lineNumber":1452,"sourceCode":"\t}\n\n\treturn *chain.Hooknum == *nftables.ChainHookForward || *chain.Hooknum == *nftables.ChainHookInput\n}\n\nfunc isIptablesTable(name string) bool {\n\tswitch name {\n\tcase tableNameFilter, tableNat, tableMangle, tableRaw, tableSecurity:\n\t\treturn true\n\t}\n\treturn false\n}\n\nfunc (r *router) removeAcceptFilterRulesIptables(ipt *iptables.IPTables) error {\n\tvar merr *multierror.Error\n\n\tfor _, rule := range r.getAcceptForwardRules() {\n\t\tif err := ipt.DeleteIfExists(\"filter\", chainNameForward, rule...); err != nil {\n\t\t\tmerr = multierror.Append(merr, fmt.Errorf(\"remove iptables forward rule: %v\", err))\n\t\t}\n\t}\n\n\tinputRule := r.getAcceptInputRule()\n\tif err := ipt.DeleteIfExists(\"filter\", chainNameInput, inputRule...); err != nil {\n\t\tmerr = multierror.Append(merr, fmt.Errorf(\"remove iptables input rule: %v\", err))\n\t}\n\n\treturn nberrors.FormatErrorOrNil(merr)\n}\n\n// RemoveNatRule removes the prerouting mark rule\nfunc (r *router) RemoveNatRule(pair firewall.RouterPair) error {\n\tif err := r.refreshRulesMap(); err != nil {\n\t\treturn fmt.Errorf(refreshRulesMapError, err)\n\t}\n\n\tvar merr *multierror.Error","sourceCodeStart":1434,"sourceCodeEnd":1470,"githubUrl":"https://github.com/netbirdio/netbird/blob/93e97f4bf1ad715072dcb3fb6cdb1763431b5a9c/client/firewall/nftables/router_linux.go#L1434-L1470","documentation":"Error \"remove iptables forward rule: %v\" thrown in netbirdio/netbird.","triggerScenarios":"Thrown at client/firewall/nftables/router_linux.go:1452 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"93e97f4bf1ad715072dcb3fb6cdb1763431b5a9c","analyzedAt":"2026-08-16T03:09:19.136Z","schemaVersion":2},"datasetVersion":"2026-08-16T08:17:34.114Z"}