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March 29, 2023 09:41
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knot-resolver-config-schema
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| { | |
| "$schema": "https://json-schema.org/draft/2020-12/schema", | |
| "description": "Knot Resolver declarative configuration.", | |
| "type": "object", | |
| "properties": { | |
| "version": { | |
| "type": "integer", | |
| "description": "Version of the configuration schema. By default it is the latest supported by the resolver, but couple of versions back are be supported as well.", | |
| "default": 1 | |
| }, | |
| "nsid": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Name Server Identifier (RFC 5001) which allows DNS clients to request resolver to send back its NSID along with the reply to a DNS request.", | |
| "default": null | |
| }, | |
| "hostname": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Internal DNS resolver hostname. Default is machine hostname.", | |
| "default": null | |
| }, | |
| "rundir": { | |
| "type": "string", | |
| "description": "Directory where the resolver can create files and which will be it's cwd.", | |
| "default": "." | |
| }, | |
| "workers": { | |
| "anyOf": [ | |
| { | |
| "type": "string", | |
| "enum": [ | |
| "auto" | |
| ] | |
| }, | |
| { | |
| "type": "integer", | |
| "minimum": 1 | |
| } | |
| ], | |
| "description": "The number of running kresd (Knot Resolver daemon) workers. If set to 'auto', it is equal to number of CPUs available.", | |
| "default": 1 | |
| }, | |
| "max-workers": { | |
| "type": "integer", | |
| "minimum": 1, | |
| "description": "The maximum number of workers allowed. Cannot be changed in runtime.", | |
| "default": 80 | |
| }, | |
| "management": { | |
| "description": "Configuration of management HTTP API.", | |
| "type": "object", | |
| "properties": { | |
| "unix-socket": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to unix domain socket to listen to.", | |
| "default": null | |
| }, | |
| "interface": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "IP address and port number to listen to.", | |
| "default": null | |
| } | |
| }, | |
| "default": { | |
| "unix_socket": "./manager.sock", | |
| "interface": null | |
| } | |
| }, | |
| "webmgmt": { | |
| "description": "Configuration of legacy web management endpoint.", | |
| "type": [ | |
| "object", | |
| "null" | |
| ], | |
| "properties": { | |
| "unix-socket": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to unix domain socket to listen to.", | |
| "default": null | |
| }, | |
| "interface": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "IP address or interface name with port number to listen to.", | |
| "default": null | |
| }, | |
| "tls": { | |
| "type": "boolean", | |
| "description": "Enable/disable TLS.", | |
| "default": false | |
| }, | |
| "cert-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to certificate file.", | |
| "default": null | |
| }, | |
| "key-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to certificate key.", | |
| "default": null | |
| } | |
| }, | |
| "default": null | |
| }, | |
| "options": { | |
| "description": "Fine-tuning global parameters of DNS resolver operation.", | |
| "type": "object", | |
| "properties": { | |
| "glue-checking": { | |
| "type": "string", | |
| "enum": [ | |
| "normal", | |
| "strict", | |
| "permissive" | |
| ], | |
| "description": "Glue records scrictness checking level.", | |
| "default": "normal" | |
| }, | |
| "minimize": { | |
| "type": "boolean", | |
| "description": "Send minimum amount of information in recursive queries to enhance privacy.", | |
| "default": true | |
| }, | |
| "query-loopback": { | |
| "type": "boolean", | |
| "description": "Permits queries to loopback addresses.", | |
| "default": false | |
| }, | |
| "reorder-rrset": { | |
| "type": "boolean", | |
| "description": "Controls whether resource records within a RRSet are reordered each time it is served from the cache.", | |
| "default": true | |
| }, | |
| "query-case-randomization": { | |
| "type": "boolean", | |
| "description": "Randomize Query Character Case.", | |
| "default": true | |
| }, | |
| "priming": { | |
| "type": "boolean", | |
| "description": "Initializing DNS resolver cache with Priming Queries (RFC 8109)", | |
| "default": true | |
| }, | |
| "rebinding-protection": { | |
| "type": "boolean", | |
| "description": "Protection against DNS Rebinding attack.", | |
| "default": false | |
| }, | |
| "refuse-no-rd": { | |
| "type": "boolean", | |
| "description": "Queries without RD (recursion desired) bit set in query are answered with REFUSED.", | |
| "default": true | |
| }, | |
| "time-jump-detection": { | |
| "type": "boolean", | |
| "description": "Detection of difference between local system time and expiration time bounds in DNSSEC signatures for '. NS' records.", | |
| "default": true | |
| }, | |
| "violators-workarounds": { | |
| "type": "boolean", | |
| "description": "Workarounds for known DNS protocol violators.", | |
| "default": false | |
| }, | |
| "serve-stale": { | |
| "type": "boolean", | |
| "description": "Allows using timed-out records in case DNS resolver is unable to contact upstream servers.", | |
| "default": false | |
| }, | |
| "prediction": { | |
| "anyOf": [ | |
| { | |
| "type": "boolean" | |
| }, | |
| { | |
| "description": "Helps keep the cache hot by prefetching expiring records and learning usage patterns and repetitive queries.", | |
| "type": "object", | |
| "properties": { | |
| "window": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Sampling window length.", | |
| "default": "15m" | |
| }, | |
| "period": { | |
| "type": "integer", | |
| "minimum": 0, | |
| "description": "Number of windows that can be kept in memory.", | |
| "default": 24 | |
| } | |
| } | |
| } | |
| ], | |
| "description": "Helps keep the cache hot by prefetching expiring records and learning usage patterns and repetitive queries.", | |
| "default": false | |
| } | |
| }, | |
| "default": { | |
| "glue_checking": "normal", | |
| "minimize": true, | |
| "query_loopback": false, | |
| "reorder_rrset": true, | |
| "query_case_randomization": true, | |
| "priming": true, | |
| "rebinding_protection": false, | |
| "refuse_no_rd": true, | |
| "time_jump_detection": true, | |
| "violators_workarounds": false, | |
| "serve_stale": false, | |
| "prediction": false | |
| } | |
| }, | |
| "network": { | |
| "description": "Network connections and protocols configuration.", | |
| "type": "object", | |
| "properties": { | |
| "do-ipv4": { | |
| "type": "boolean", | |
| "description": "Enable/disable using IPv4 for contacting upstream nameservers.", | |
| "default": true | |
| }, | |
| "do-ipv6": { | |
| "type": "boolean", | |
| "description": "Enable/disable using IPv6 for contacting upstream nameservers.", | |
| "default": true | |
| }, | |
| "out-interface-v4": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "IPv4 address used to perform queries. Not set by default, which lets the OS choose any address.", | |
| "default": null | |
| }, | |
| "out-interface-v6": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "IPv6 address used to perform queries. Not set by default, which lets the OS choose any address.", | |
| "default": null | |
| }, | |
| "tcp-pipeline": { | |
| "type": "integer", | |
| "minimum": 0, | |
| "maximum": 65535, | |
| "description": "TCP pipeline limit. The number of outstanding queries that a single client connection can make in parallel.", | |
| "default": 100 | |
| }, | |
| "edns-tcp-keepalive": { | |
| "type": "boolean", | |
| "description": "Allows clients to discover the connection timeout. (RFC 7828)", | |
| "default": true | |
| }, | |
| "edns-buffer-size": { | |
| "description": "Maximum EDNS payload size advertised in DNS packets. Different values can be configured for communication downstream (towards clients) and upstream (towards other DNS servers).", | |
| "type": "object", | |
| "properties": { | |
| "upstream": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(B|K|M|G)$", | |
| "description": "Maximum EDNS upstream (towards other DNS servers) payload size.", | |
| "default": "1232B" | |
| }, | |
| "downstream": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(B|K|M|G)$", | |
| "description": "Maximum EDNS downstream (towards clients) payload size for communication.", | |
| "default": "1232B" | |
| } | |
| }, | |
| "default": { | |
| "upstream": "1232B", | |
| "downstream": "1232B" | |
| } | |
| }, | |
| "address-renumbering": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Renumbers addresses in answers to different address space.", | |
| "type": "object", | |
| "properties": { | |
| "source": { | |
| "type": "string", | |
| "description": "Source subnet." | |
| }, | |
| "destination": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string" | |
| } | |
| ], | |
| "description": "Destination address prefix." | |
| } | |
| } | |
| }, | |
| "description": "Renumbers addresses in answers to different address space.", | |
| "default": null | |
| }, | |
| "tls": { | |
| "description": "TLS configuration, also affects DNS over TLS and DNS over HTTPS.", | |
| "type": "object", | |
| "properties": { | |
| "cert-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to certificate file.", | |
| "default": null | |
| }, | |
| "key-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to certificate key file.", | |
| "default": null | |
| }, | |
| "sticket-secret": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Secret for TLS session resumption via tickets. (RFC 5077).", | |
| "default": null | |
| }, | |
| "sticket-secret-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to file with secret for TLS session resumption via tickets. (RFC 5077).", | |
| "default": null | |
| }, | |
| "auto-discovery": { | |
| "type": "boolean", | |
| "description": "Automatic discovery of authoritative servers supporting DNS-over-TLS.", | |
| "default": false | |
| }, | |
| "padding": { | |
| "anyOf": [ | |
| { | |
| "type": "boolean" | |
| }, | |
| { | |
| "type": "integer", | |
| "minimum": 0, | |
| "maximum": 512 | |
| } | |
| ], | |
| "description": "EDNS(0) padding of answers to queries that arrive over TLS transport.", | |
| "default": true | |
| } | |
| }, | |
| "default": { | |
| "cert_file": null, | |
| "key_file": null, | |
| "sticket_secret": null, | |
| "sticket_secret_file": null, | |
| "auto_discovery": false, | |
| "padding": true | |
| } | |
| }, | |
| "proxy-protocol": { | |
| "anyOf": [ | |
| { | |
| "type": "string", | |
| "enum": [ | |
| false | |
| ] | |
| }, | |
| { | |
| "description": "PROXYv2 protocol configuration.", | |
| "type": "object", | |
| "properties": { | |
| "allow": { | |
| "type": "array", | |
| "items": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string" | |
| } | |
| ] | |
| }, | |
| "description": "Allow usage of the PROXYv2 protocol headers by clients on the specified addresses." | |
| } | |
| } | |
| } | |
| ], | |
| "description": "PROXYv2 protocol configuration.", | |
| "default": false | |
| }, | |
| "listen": { | |
| "type": "array", | |
| "items": { | |
| "description": "Configuration of listening interface.", | |
| "type": "object", | |
| "properties": { | |
| "interface": { | |
| "anyOf": [ | |
| { | |
| "type": "null" | |
| }, | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| } | |
| ], | |
| "description": "IP address or interface name with optional port number to listen to.", | |
| "default": null | |
| }, | |
| "unix-socket": { | |
| "anyOf": [ | |
| { | |
| "type": "null" | |
| }, | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| } | |
| ], | |
| "description": "Path to unix domain socket to listen to.", | |
| "default": null | |
| }, | |
| "port": { | |
| "type": [ | |
| "integer", | |
| "null" | |
| ], | |
| "minimum": 1, | |
| "maximum": 65535, | |
| "description": "Port number to listen to.", | |
| "default": null | |
| }, | |
| "kind": { | |
| "type": "string", | |
| "enum": [ | |
| "dns", | |
| "xdp", | |
| "dot", | |
| "doh-legacy", | |
| "doh2" | |
| ], | |
| "description": "Specifies DNS query transport protocol.", | |
| "default": "dns" | |
| }, | |
| "freebind": { | |
| "type": "boolean", | |
| "description": "Used for binding to non-local address.", | |
| "default": false | |
| } | |
| } | |
| }, | |
| "description": "List of interfaces to listen to and its configuration.", | |
| "default": [ | |
| { | |
| "interface": "127.0.0.1", | |
| "unix_socket": null, | |
| "port": 53, | |
| "kind": "dns", | |
| "freebind": false | |
| }, | |
| { | |
| "interface": "::1", | |
| "unix_socket": null, | |
| "port": 53, | |
| "kind": "dns", | |
| "freebind": true | |
| } | |
| ] | |
| } | |
| }, | |
| "default": { | |
| "do_ipv4": true, | |
| "do_ipv6": true, | |
| "out_interface_v4": null, | |
| "out_interface_v6": null, | |
| "tcp_pipeline": 100, | |
| "edns_tcp_keepalive": true, | |
| "edns_buffer_size": { | |
| "upstream": "1232B", | |
| "downstream": "1232B" | |
| }, | |
| "address_renumbering": null, | |
| "tls": { | |
| "cert_file": null, | |
| "key_file": null, | |
| "sticket_secret": null, | |
| "sticket_secret_file": null, | |
| "auto_discovery": false, | |
| "padding": true | |
| }, | |
| "proxy_protocol": false, | |
| "listen": [ | |
| { | |
| "interface": "127.0.0.1", | |
| "unix_socket": null, | |
| "port": 53, | |
| "kind": "dns", | |
| "freebind": false | |
| }, | |
| { | |
| "interface": "::1", | |
| "unix_socket": null, | |
| "port": 53, | |
| "kind": "dns", | |
| "freebind": true | |
| } | |
| ] | |
| } | |
| }, | |
| "views": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Configuration parameters that allow you to create personalized policy rules and other.", | |
| "type": "object", | |
| "properties": { | |
| "subnets": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "Identifies the client based on his subnet.", | |
| "default": null | |
| }, | |
| "tsig": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "Identifies the client based on a TSIG key name (for testing purposes, TSIG signature is not verified!).", | |
| "default": null | |
| }, | |
| "options": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string", | |
| "enum": [ | |
| "no-minimize", | |
| "no-ipv4", | |
| "no-ipv6", | |
| "tcp", | |
| "resolved", | |
| "await-ipv4", | |
| "await-ipv6", | |
| "await-cut", | |
| "no-edns", | |
| "cached", | |
| "no-cache", | |
| "expiring", | |
| "allow_local", | |
| "dnssec-want", | |
| "dnssec-bogus", | |
| "dnssec-insecure", | |
| "dnssec-cd", | |
| "stub", | |
| "always-cut", | |
| "dnssec-wexpand", | |
| "permissive", | |
| "strict", | |
| "badcookie-again", | |
| "cname", | |
| "reorder-rr", | |
| "trace", | |
| "no-0x20", | |
| "dnssec-nods", | |
| "dnssec-optout", | |
| "nonauth", | |
| "forward", | |
| "dns64-mark", | |
| "cache-tried", | |
| "no-ns-found", | |
| "pkt-is-sane", | |
| "dns64-disable" | |
| ] | |
| }, | |
| "description": "Configuration flags for clients identified by the view.", | |
| "default": null | |
| }, | |
| "tags": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string", | |
| "pattern": "[a-zA-Z0-9]+" | |
| }, | |
| "description": "Tags to link with other policy rules.", | |
| "default": null | |
| } | |
| } | |
| }, | |
| "description": "List of views and its configuration.", | |
| "default": null | |
| }, | |
| "local-data": { | |
| "description": "Local data for forward records (A/AAAA) and reverse records (PTR).", | |
| "type": "object", | |
| "properties": { | |
| "ttl": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Default TTL value used for added local data/records.", | |
| "default": null | |
| }, | |
| "nodata": { | |
| "type": "boolean", | |
| "description": "Use NODATA synthesis. NODATA will be synthesised for matching name, but mismatching type(e.g. AAAA query when only A exists).", | |
| "default": true | |
| }, | |
| "addresses": { | |
| "type": [ | |
| "object", | |
| "null" | |
| ], | |
| "additionalProperties": { | |
| "anyOf": [ | |
| { | |
| "type": "array", | |
| "items": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string" | |
| } | |
| ] | |
| } | |
| }, | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string" | |
| } | |
| ] | |
| }, | |
| "description": "Direct addition of hostname and IP addresses pairs.", | |
| "default": null | |
| }, | |
| "addresses-files": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "Direct addition of hostname and IP addresses pairs from files in '/etc/hosts' like format.", | |
| "default": null | |
| }, | |
| "records": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "Direct addition of records in DNS zone file format.", | |
| "default": null | |
| }, | |
| "subtrees": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Local data and configuration of subtree.", | |
| "type": "object", | |
| "properties": { | |
| "tags": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string", | |
| "pattern": "[a-zA-Z0-9]+" | |
| }, | |
| "description": "Tags to link with other policy rules.", | |
| "default": null | |
| } | |
| } | |
| }, | |
| "description": "Direct addition of subtrees.", | |
| "default": null | |
| } | |
| }, | |
| "default": { | |
| "ttl": null, | |
| "nodata": true, | |
| "addresses": null, | |
| "addresses_files": null, | |
| "records": null, | |
| "subtrees": null | |
| } | |
| }, | |
| "slices": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Split the entire DNS namespace into distinct slices.", | |
| "type": "object", | |
| "properties": { | |
| "function": { | |
| "type": "string", | |
| "enum": [ | |
| "randomize-psl" | |
| ], | |
| "description": "Slicing function that returns index based on query", | |
| "default": "randomize-psl" | |
| }, | |
| "views": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "Use this Slice only for clients defined by views.", | |
| "default": null | |
| }, | |
| "actions": { | |
| "type": "array", | |
| "items": { | |
| "description": "Configuration of policy action.", | |
| "type": "object", | |
| "properties": { | |
| "action": { | |
| "type": "string", | |
| "enum": [ | |
| "pass", | |
| "deny", | |
| "drop", | |
| "refuse", | |
| "tc", | |
| "reroute", | |
| "answer", | |
| "mirror", | |
| "forward", | |
| "stub", | |
| "debug-always", | |
| "debug-cache-miss", | |
| "qtrace", | |
| "reqtrace" | |
| ], | |
| "description": "Policy action." | |
| }, | |
| "message": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Deny message for 'deny' action.", | |
| "default": null | |
| }, | |
| "reroute": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Renumbers addresses in answers to different address space.", | |
| "type": "object", | |
| "properties": { | |
| "source": { | |
| "type": "string", | |
| "description": "Source subnet." | |
| }, | |
| "destination": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string" | |
| } | |
| ], | |
| "description": "Destination address prefix." | |
| } | |
| } | |
| }, | |
| "description": "Configuration for 'reroute' action.", | |
| "default": null | |
| }, | |
| "answer": { | |
| "description": "Answer definition for 'answer' action.", | |
| "type": [ | |
| "object", | |
| "null" | |
| ], | |
| "properties": { | |
| "rtype": { | |
| "type": "string", | |
| "enum": [ | |
| "A", | |
| "A6", | |
| "AAAA", | |
| "AFSDB", | |
| "ANY", | |
| "APL", | |
| "ATMA", | |
| "AVC", | |
| "AXFR", | |
| "CAA", | |
| "CDNSKEY", | |
| "CDS", | |
| "CERT", | |
| "CNAME", | |
| "CSYNC", | |
| "DHCID", | |
| "DLV", | |
| "DNAME", | |
| "DNSKEY", | |
| "DOA", | |
| "DS", | |
| "EID", | |
| "EUI48", | |
| "EUI64", | |
| "GID", | |
| "GPOS", | |
| "HINFO", | |
| "HIP", | |
| "HTTPS", | |
| "IPSECKEY", | |
| "ISDN", | |
| "IXFR", | |
| "KEY", | |
| "KX", | |
| "L32", | |
| "L64", | |
| "LOC", | |
| "LP", | |
| "MAILA", | |
| "MAILB", | |
| "MB", | |
| "MD", | |
| "MF", | |
| "MG", | |
| "MINFO", | |
| "MR", | |
| "MX", | |
| "NAPTR", | |
| "NID", | |
| "NIMLOC", | |
| "NINFO", | |
| "NS", | |
| "NSAP", | |
| "NSAP-PTR", | |
| "NSEC", | |
| "NSEC3", | |
| "NSEC3PARAM", | |
| "NULL", | |
| "NXT", | |
| "OPENPGPKEY", | |
| "OPT", | |
| "PTR", | |
| "PX", | |
| "RKEY", | |
| "RP", | |
| "RRSIG", | |
| "RT", | |
| "SIG", | |
| "SINK", | |
| "SMIMEA", | |
| "SOA", | |
| "SPF", | |
| "SRV", | |
| "SSHFP", | |
| "SVCB", | |
| "TA", | |
| "TALINK", | |
| "TKEY", | |
| "TLSA", | |
| "TSIG", | |
| "TXT", | |
| "UID", | |
| "UINFO", | |
| "UNSPEC", | |
| "URI", | |
| "WKS", | |
| "X25", | |
| "ZONEMD" | |
| ], | |
| "description": "Type of DNS resource record." | |
| }, | |
| "rdata": { | |
| "type": "string", | |
| "description": "Data of DNS resource record." | |
| }, | |
| "ttl": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Time-to-live value for defined answer.", | |
| "default": "1s" | |
| }, | |
| "nodata": { | |
| "type": "boolean", | |
| "description": "Answer with NODATA If requested type is not configured in the answer. Otherwise policy rule is ignored.", | |
| "default": false | |
| } | |
| }, | |
| "default": null | |
| }, | |
| "servers": { | |
| "anyOf": [ | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "description": "Forward server configuration options.", | |
| "type": "object", | |
| "properties": { | |
| "address": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| } | |
| ], | |
| "description": "IP address(es) of a forward server." | |
| }, | |
| "transport": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "enum": [ | |
| "tls" | |
| ], | |
| "description": "Transport protocol for a forward server.", | |
| "default": null | |
| }, | |
| "pin-sha256": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| }, | |
| { | |
| "type": "null" | |
| } | |
| ], | |
| "description": "Hash of accepted CA certificate.", | |
| "default": null | |
| }, | |
| "hostname": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "pattern": "(?=^.{,253}\\.?$)(^(?!\\.)((?!-)\\.?[a-zA-Z0-9-]{,62}[a-zA-Z0-9])+\\.?$)|^\\.$", | |
| "description": "Hostname of the Forward server.", | |
| "default": null | |
| }, | |
| "ca-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to CA certificate file.", | |
| "default": null | |
| } | |
| } | |
| } | |
| }, | |
| { | |
| "type": "null" | |
| } | |
| ], | |
| "description": "Servers configuration for 'mirror', 'forward' and 'stub' action.", | |
| "default": null | |
| } | |
| } | |
| }, | |
| "description": "Actions for slice." | |
| } | |
| } | |
| }, | |
| "description": "Split the entire DNS namespace into distinct slices.", | |
| "default": null | |
| }, | |
| "policy": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Configuration of policy rule.", | |
| "type": "object", | |
| "properties": { | |
| "action": { | |
| "type": "string", | |
| "enum": [ | |
| "pass", | |
| "deny", | |
| "drop", | |
| "refuse", | |
| "tc", | |
| "reroute", | |
| "answer", | |
| "mirror", | |
| "forward", | |
| "stub", | |
| "debug-always", | |
| "debug-cache-miss", | |
| "qtrace", | |
| "reqtrace" | |
| ], | |
| "description": "Policy rule action." | |
| }, | |
| "priority": { | |
| "type": [ | |
| "integer", | |
| "null" | |
| ], | |
| "description": "Policy rule priority.", | |
| "default": null | |
| }, | |
| "filter": { | |
| "description": "Query filtering configuration.", | |
| "type": [ | |
| "object", | |
| "null" | |
| ], | |
| "properties": { | |
| "suffix": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Filter based on the suffix of the query name.", | |
| "default": null | |
| }, | |
| "pattern": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Filter based on the pattern that match query name.", | |
| "default": null | |
| }, | |
| "qtype": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "enum": [ | |
| "A", | |
| "A6", | |
| "AAAA", | |
| "AFSDB", | |
| "ANY", | |
| "APL", | |
| "ATMA", | |
| "AVC", | |
| "AXFR", | |
| "CAA", | |
| "CDNSKEY", | |
| "CDS", | |
| "CERT", | |
| "CNAME", | |
| "CSYNC", | |
| "DHCID", | |
| "DLV", | |
| "DNAME", | |
| "DNSKEY", | |
| "DOA", | |
| "DS", | |
| "EID", | |
| "EUI48", | |
| "EUI64", | |
| "GID", | |
| "GPOS", | |
| "HINFO", | |
| "HIP", | |
| "HTTPS", | |
| "IPSECKEY", | |
| "ISDN", | |
| "IXFR", | |
| "KEY", | |
| "KX", | |
| "L32", | |
| "L64", | |
| "LOC", | |
| "LP", | |
| "MAILA", | |
| "MAILB", | |
| "MB", | |
| "MD", | |
| "MF", | |
| "MG", | |
| "MINFO", | |
| "MR", | |
| "MX", | |
| "NAPTR", | |
| "NID", | |
| "NIMLOC", | |
| "NINFO", | |
| "NS", | |
| "NSAP", | |
| "NSAP-PTR", | |
| "NSEC", | |
| "NSEC3", | |
| "NSEC3PARAM", | |
| "NULL", | |
| "NXT", | |
| "OPENPGPKEY", | |
| "OPT", | |
| "PTR", | |
| "PX", | |
| "RKEY", | |
| "RP", | |
| "RRSIG", | |
| "RT", | |
| "SIG", | |
| "SINK", | |
| "SMIMEA", | |
| "SOA", | |
| "SPF", | |
| "SRV", | |
| "SSHFP", | |
| "SVCB", | |
| "TA", | |
| "TALINK", | |
| "TKEY", | |
| "TLSA", | |
| "TSIG", | |
| "TXT", | |
| "UID", | |
| "UINFO", | |
| "UNSPEC", | |
| "URI", | |
| "WKS", | |
| "X25", | |
| "ZONEMD" | |
| ], | |
| "description": "Filter based on the DNS query type.", | |
| "default": null | |
| } | |
| }, | |
| "default": null | |
| }, | |
| "views": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "Use policy rule only for clients defined by views.", | |
| "default": null | |
| }, | |
| "options": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string", | |
| "enum": [ | |
| "no-minimize", | |
| "no-ipv4", | |
| "no-ipv6", | |
| "tcp", | |
| "resolved", | |
| "await-ipv4", | |
| "await-ipv6", | |
| "await-cut", | |
| "no-edns", | |
| "cached", | |
| "no-cache", | |
| "expiring", | |
| "allow_local", | |
| "dnssec-want", | |
| "dnssec-bogus", | |
| "dnssec-insecure", | |
| "dnssec-cd", | |
| "stub", | |
| "always-cut", | |
| "dnssec-wexpand", | |
| "permissive", | |
| "strict", | |
| "badcookie-again", | |
| "cname", | |
| "reorder-rr", | |
| "trace", | |
| "no-0x20", | |
| "dnssec-nods", | |
| "dnssec-optout", | |
| "nonauth", | |
| "forward", | |
| "dns64-mark", | |
| "cache-tried", | |
| "no-ns-found", | |
| "pkt-is-sane", | |
| "dns64-disable" | |
| ] | |
| }, | |
| "description": "Configuration flags for policy rule.", | |
| "default": null | |
| }, | |
| "message": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Deny message for 'deny' action.", | |
| "default": null | |
| }, | |
| "reroute": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Renumbers addresses in answers to different address space.", | |
| "type": "object", | |
| "properties": { | |
| "source": { | |
| "type": "string", | |
| "description": "Source subnet." | |
| }, | |
| "destination": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string" | |
| } | |
| ], | |
| "description": "Destination address prefix." | |
| } | |
| } | |
| }, | |
| "description": "Configuration for 'reroute' action.", | |
| "default": null | |
| }, | |
| "answer": { | |
| "description": "Answer definition for 'answer' action.", | |
| "type": [ | |
| "object", | |
| "null" | |
| ], | |
| "properties": { | |
| "rtype": { | |
| "type": "string", | |
| "enum": [ | |
| "A", | |
| "A6", | |
| "AAAA", | |
| "AFSDB", | |
| "ANY", | |
| "APL", | |
| "ATMA", | |
| "AVC", | |
| "AXFR", | |
| "CAA", | |
| "CDNSKEY", | |
| "CDS", | |
| "CERT", | |
| "CNAME", | |
| "CSYNC", | |
| "DHCID", | |
| "DLV", | |
| "DNAME", | |
| "DNSKEY", | |
| "DOA", | |
| "DS", | |
| "EID", | |
| "EUI48", | |
| "EUI64", | |
| "GID", | |
| "GPOS", | |
| "HINFO", | |
| "HIP", | |
| "HTTPS", | |
| "IPSECKEY", | |
| "ISDN", | |
| "IXFR", | |
| "KEY", | |
| "KX", | |
| "L32", | |
| "L64", | |
| "LOC", | |
| "LP", | |
| "MAILA", | |
| "MAILB", | |
| "MB", | |
| "MD", | |
| "MF", | |
| "MG", | |
| "MINFO", | |
| "MR", | |
| "MX", | |
| "NAPTR", | |
| "NID", | |
| "NIMLOC", | |
| "NINFO", | |
| "NS", | |
| "NSAP", | |
| "NSAP-PTR", | |
| "NSEC", | |
| "NSEC3", | |
| "NSEC3PARAM", | |
| "NULL", | |
| "NXT", | |
| "OPENPGPKEY", | |
| "OPT", | |
| "PTR", | |
| "PX", | |
| "RKEY", | |
| "RP", | |
| "RRSIG", | |
| "RT", | |
| "SIG", | |
| "SINK", | |
| "SMIMEA", | |
| "SOA", | |
| "SPF", | |
| "SRV", | |
| "SSHFP", | |
| "SVCB", | |
| "TA", | |
| "TALINK", | |
| "TKEY", | |
| "TLSA", | |
| "TSIG", | |
| "TXT", | |
| "UID", | |
| "UINFO", | |
| "UNSPEC", | |
| "URI", | |
| "WKS", | |
| "X25", | |
| "ZONEMD" | |
| ], | |
| "description": "Type of DNS resource record." | |
| }, | |
| "rdata": { | |
| "type": "string", | |
| "description": "Data of DNS resource record." | |
| }, | |
| "ttl": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Time-to-live value for defined answer.", | |
| "default": "1s" | |
| }, | |
| "nodata": { | |
| "type": "boolean", | |
| "description": "Answer with NODATA If requested type is not configured in the answer. Otherwise policy rule is ignored.", | |
| "default": false | |
| } | |
| }, | |
| "default": null | |
| }, | |
| "servers": { | |
| "anyOf": [ | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "description": "Forward server configuration options.", | |
| "type": "object", | |
| "properties": { | |
| "address": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| } | |
| ], | |
| "description": "IP address(es) of a forward server." | |
| }, | |
| "transport": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "enum": [ | |
| "tls" | |
| ], | |
| "description": "Transport protocol for a forward server.", | |
| "default": null | |
| }, | |
| "pin-sha256": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| }, | |
| { | |
| "type": "null" | |
| } | |
| ], | |
| "description": "Hash of accepted CA certificate.", | |
| "default": null | |
| }, | |
| "hostname": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "pattern": "(?=^.{,253}\\.?$)(^(?!\\.)((?!-)\\.?[a-zA-Z0-9-]{,62}[a-zA-Z0-9])+\\.?$)|^\\.$", | |
| "description": "Hostname of the Forward server.", | |
| "default": null | |
| }, | |
| "ca-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to CA certificate file.", | |
| "default": null | |
| } | |
| } | |
| } | |
| }, | |
| { | |
| "type": "null" | |
| } | |
| ], | |
| "description": "Servers configuration for 'mirror', 'forward' and 'stub' action.", | |
| "default": null | |
| } | |
| } | |
| }, | |
| "description": "List of policy rules and its configuration.", | |
| "default": null | |
| }, | |
| "rpz": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Configuration or Response Policy Zone (RPZ).", | |
| "type": "object", | |
| "properties": { | |
| "action": { | |
| "type": "string", | |
| "enum": [ | |
| "pass", | |
| "deny", | |
| "drop", | |
| "refuse", | |
| "tc", | |
| "reroute", | |
| "answer", | |
| "mirror", | |
| "forward", | |
| "stub", | |
| "debug-always", | |
| "debug-cache-miss", | |
| "qtrace", | |
| "reqtrace" | |
| ], | |
| "description": "RPZ rule action, typically 'deny'." | |
| }, | |
| "file": { | |
| "type": "string", | |
| "description": "Path to the RPZ zone file." | |
| }, | |
| "watch": { | |
| "type": "boolean", | |
| "description": "Reload the file when it changes.", | |
| "default": true | |
| }, | |
| "views": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "Use RPZ rule only for clients defined by views.", | |
| "default": null | |
| }, | |
| "options": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string", | |
| "enum": [ | |
| "no-minimize", | |
| "no-ipv4", | |
| "no-ipv6", | |
| "tcp", | |
| "resolved", | |
| "await-ipv4", | |
| "await-ipv6", | |
| "await-cut", | |
| "no-edns", | |
| "cached", | |
| "no-cache", | |
| "expiring", | |
| "allow_local", | |
| "dnssec-want", | |
| "dnssec-bogus", | |
| "dnssec-insecure", | |
| "dnssec-cd", | |
| "stub", | |
| "always-cut", | |
| "dnssec-wexpand", | |
| "permissive", | |
| "strict", | |
| "badcookie-again", | |
| "cname", | |
| "reorder-rr", | |
| "trace", | |
| "no-0x20", | |
| "dnssec-nods", | |
| "dnssec-optout", | |
| "nonauth", | |
| "forward", | |
| "dns64-mark", | |
| "cache-tried", | |
| "no-ns-found", | |
| "pkt-is-sane", | |
| "dns64-disable" | |
| ] | |
| }, | |
| "description": "Configuration flags for RPZ rule.", | |
| "default": null | |
| }, | |
| "message": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Deny message for 'deny' action.", | |
| "default": null | |
| } | |
| } | |
| }, | |
| "description": "List of Response Policy Zones and its configuration.", | |
| "default": null | |
| }, | |
| "forward": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Configuration of forward subtree.", | |
| "type": "object", | |
| "properties": { | |
| "subtree": { | |
| "type": "string", | |
| "pattern": "(?=^.{,253}\\.?$)(^(?!\\.)((?!-)\\.?[a-zA-Z0-9-]{,62}[a-zA-Z0-9])+\\.?$)|^\\.$", | |
| "description": "Subtree to forward." | |
| }, | |
| "servers": { | |
| "anyOf": [ | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "description": "Forward server configuration options.", | |
| "type": "object", | |
| "properties": { | |
| "address": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| } | |
| ], | |
| "description": "IP address(es) of a forward server." | |
| }, | |
| "transport": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "enum": [ | |
| "tls" | |
| ], | |
| "description": "Transport protocol for a forward server.", | |
| "default": null | |
| }, | |
| "pin-sha256": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| }, | |
| { | |
| "type": "null" | |
| } | |
| ], | |
| "description": "Hash of accepted CA certificate.", | |
| "default": null | |
| }, | |
| "hostname": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "pattern": "(?=^.{,253}\\.?$)(^(?!\\.)((?!-)\\.?[a-zA-Z0-9-]{,62}[a-zA-Z0-9])+\\.?$)|^\\.$", | |
| "description": "Hostname of the Forward server.", | |
| "default": null | |
| }, | |
| "ca-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to CA certificate file.", | |
| "default": null | |
| } | |
| } | |
| } | |
| } | |
| ], | |
| "description": "Forward server configuration." | |
| }, | |
| "options": { | |
| "description": "Configuration options for forward subtree.", | |
| "type": "object", | |
| "properties": { | |
| "dnssec": { | |
| "type": "boolean", | |
| "description": "Enable/disable DNSSEC.", | |
| "default": true | |
| } | |
| }, | |
| "default": { | |
| "dnssec": true | |
| } | |
| } | |
| } | |
| }, | |
| "description": "List of Forward Zones and its configuration.", | |
| "default": null | |
| }, | |
| "cache": { | |
| "description": "DNS resolver cache configuration.", | |
| "type": "object", | |
| "properties": { | |
| "storage": { | |
| "type": "string", | |
| "description": "Cache storage of the DNS resolver.", | |
| "default": "/var/cache/knot-resolver" | |
| }, | |
| "size-max": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(B|K|M|G)$", | |
| "description": "Maximum size of the cache.", | |
| "default": "100M" | |
| }, | |
| "garbage-collector": { | |
| "anyOf": [ | |
| { | |
| "description": "Configuration options of the cache garbage collector (kres-cache-gc).", | |
| "type": "object", | |
| "properties": { | |
| "interval": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Time interval how often the garbage collector will be run.", | |
| "default": "1s" | |
| }, | |
| "threshold": { | |
| "type": "integer", | |
| "minimum": 0, | |
| "maximum": 100, | |
| "description": "Cache usage in percent that triggers the garbage collector.", | |
| "default": 80 | |
| }, | |
| "release": { | |
| "type": "integer", | |
| "minimum": 0, | |
| "maximum": 100, | |
| "description": "Percent of used cache to be freed by the garbage collector.", | |
| "default": 10 | |
| }, | |
| "temp-keys-space": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(B|K|M|G)$", | |
| "description": "Maximum amount of temporary memory for copied keys (0 = unlimited).", | |
| "default": 0 | |
| }, | |
| "rw-deletes": { | |
| "type": "integer", | |
| "minimum": 0, | |
| "description": "Maximum number of deleted records per read-write transaction (0 = unlimited).", | |
| "default": 100 | |
| }, | |
| "rw-reads": { | |
| "type": "integer", | |
| "minimum": 0, | |
| "description": "Maximum number of readed records per read-write transaction (0 = unlimited).", | |
| "default": 200 | |
| }, | |
| "rw-duration": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Maximum duration of read-write transaction (0 = unlimited).", | |
| "default": 0 | |
| }, | |
| "rw-delay": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Wait time between two read-write transactions.", | |
| "default": 0 | |
| }, | |
| "dry-run": { | |
| "type": "boolean", | |
| "description": "Run the garbage collector in dry-run mode.", | |
| "default": false | |
| } | |
| } | |
| }, | |
| { | |
| "type": "string", | |
| "enum": [ | |
| false | |
| ] | |
| } | |
| ], | |
| "description": "Use the garbage collector (kres-cache-gc) to periodically clear cache.", | |
| "default": { | |
| "interval": "1s", | |
| "threshold": 80, | |
| "release": 10, | |
| "temp_keys_space": 0, | |
| "rw_deletes": 100, | |
| "rw_reads": 200, | |
| "rw_duration": 0, | |
| "rw_delay": 0, | |
| "dry_run": false | |
| } | |
| }, | |
| "ttl-min": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Minimum time-to-live for the cache entries.", | |
| "default": "5s" | |
| }, | |
| "ttl-max": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Maximum time-to-live for the cache entries.", | |
| "default": "6d" | |
| }, | |
| "ns-timeout": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Time interval for which a nameserver address will be ignored after determining that it does not return (useful) answers.", | |
| "default": "1000ms" | |
| }, | |
| "prefill": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Prefill the cache periodically by importing zone data obtained over HTTP.", | |
| "type": "object", | |
| "properties": { | |
| "origin": { | |
| "type": "string", | |
| "pattern": "(?=^.{,253}\\.?$)(^(?!\\.)((?!-)\\.?[a-zA-Z0-9-]{,62}[a-zA-Z0-9])+\\.?$)|^\\.$", | |
| "description": "Origin for the imported data. Cache prefilling is only supported for the root zone ('.')." | |
| }, | |
| "url": { | |
| "type": "string", | |
| "description": "URL of the zone data to be imported." | |
| }, | |
| "refresh-interval": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Time interval between consecutive refreshes of the imported zone data.", | |
| "default": "1d" | |
| }, | |
| "ca-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to the file containing a CA certificate bundle that is used to authenticate the HTTPS connection.", | |
| "default": null | |
| } | |
| } | |
| }, | |
| "description": "Prefill the cache periodically by importing zone data obtained over HTTP.", | |
| "default": null | |
| } | |
| }, | |
| "default": { | |
| "storage": "/var/cache/knot-resolver", | |
| "size_max": "100M", | |
| "garbage_collector": { | |
| "interval": "1s", | |
| "threshold": 80, | |
| "release": 10, | |
| "temp_keys_space": 0, | |
| "rw_deletes": 100, | |
| "rw_reads": 200, | |
| "rw_duration": 0, | |
| "rw_delay": 0, | |
| "dry_run": false | |
| }, | |
| "ttl_min": "5s", | |
| "ttl_max": "6d", | |
| "ns_timeout": "1000ms", | |
| "prefill": null | |
| } | |
| }, | |
| "dnssec": { | |
| "anyOf": [ | |
| { | |
| "type": "boolean" | |
| }, | |
| { | |
| "description": "DNSSEC configuration.", | |
| "type": "object", | |
| "properties": { | |
| "trust-anchor-sentinel": { | |
| "type": "boolean", | |
| "description": "Allows users of DNSSEC validating resolver to detect which root keys are configured in resolver's chain of trust. (RFC 8509)", | |
| "default": true | |
| }, | |
| "trust-anchor-signal-query": { | |
| "type": "boolean", | |
| "description": "Signaling Trust Anchor Knowledge in DNSSEC Using Key Tag Query, according to (RFC 8145#section-5).", | |
| "default": true | |
| }, | |
| "time-skew-detection": { | |
| "type": "boolean", | |
| "description": "Detection of difference between local system time and expiration time bounds in DNSSEC signatures for '. NS' records.", | |
| "default": true | |
| }, | |
| "keep-removed": { | |
| "type": "integer", | |
| "minimum": 0, | |
| "description": "How many removed keys should be held in history (and key file) before being purged.", | |
| "default": 0 | |
| }, | |
| "refresh-time": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Force trust-anchors to be updated every defined time periodically instead of relying on (RFC 5011) logic and TTLs. Intended only for testing purposes.", | |
| "default": null | |
| }, | |
| "hold-down-time": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Modify hold-down timer (RFC 5011). Intended only for testing purposes.", | |
| "default": "30d" | |
| }, | |
| "trust-anchors": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "List of trust-anchors in DS/DNSKEY records format.", | |
| "default": null | |
| }, | |
| "negative-trust-anchors": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string" | |
| }, | |
| "description": "List of domain names representing negative trust-anchors. (RFC 7646)", | |
| "default": null | |
| }, | |
| "trust-anchors-files": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "description": "Trust-anchor zonefile configuration.", | |
| "type": "object", | |
| "properties": { | |
| "file": { | |
| "type": "string", | |
| "description": "Path to the zonefile that stores trust-anchors." | |
| }, | |
| "read-only": { | |
| "type": "boolean", | |
| "description": "Blocks zonefile updates according to RFC 5011.", | |
| "default": false | |
| } | |
| } | |
| }, | |
| "description": "List of zonefiles where trust-anchors are stored.", | |
| "default": null | |
| } | |
| } | |
| } | |
| ], | |
| "description": "Disable DNSSEC, enable with defaults or set new configuration.", | |
| "default": true | |
| }, | |
| "dns64": { | |
| "anyOf": [ | |
| { | |
| "type": "boolean" | |
| }, | |
| { | |
| "description": "DNS64 (RFC 6147) configuration.", | |
| "type": "object", | |
| "properties": { | |
| "prefix": { | |
| "type": "string", | |
| "description": "IPv6 prefix to be used for synthesizing AAAA records.", | |
| "default": "64:ff9b::/96" | |
| } | |
| } | |
| } | |
| ], | |
| "description": "Disable DNS64 (RFC 6147), enable with defaults or set new configuration.", | |
| "default": false | |
| }, | |
| "logging": { | |
| "description": "Logging and debugging configuration.", | |
| "type": "object", | |
| "properties": { | |
| "level": { | |
| "type": "string", | |
| "enum": [ | |
| "crit", | |
| "err", | |
| "warning", | |
| "notice", | |
| "info", | |
| "debug" | |
| ], | |
| "description": "Global logging level.", | |
| "default": "notice" | |
| }, | |
| "target": { | |
| "anyOf": [ | |
| { | |
| "type": "string", | |
| "enum": [ | |
| "syslog", | |
| "stderr", | |
| "stdout" | |
| ] | |
| }, | |
| { | |
| "type": "string", | |
| "enum": [ | |
| "from-env" | |
| ] | |
| } | |
| ], | |
| "description": "Global logging stream target. \"from-env\" uses $KRES_LOG_TARGET and defaults to \"stdout\".", | |
| "default": "from-env" | |
| }, | |
| "groups": { | |
| "type": [ | |
| "array", | |
| "null" | |
| ], | |
| "items": { | |
| "type": "string", | |
| "enum": [ | |
| "manager", | |
| "supervisord", | |
| "cache-gc", | |
| "system", | |
| "cache", | |
| "io", | |
| "net", | |
| "ta", | |
| "tasent", | |
| "tasign", | |
| "taupd", | |
| "tls", | |
| "gnutls", | |
| "tls_cl", | |
| "xdp", | |
| "zimprt", | |
| "zscann", | |
| "doh", | |
| "dnssec", | |
| "hint", | |
| "plan", | |
| "iterat", | |
| "valdtr", | |
| "resolv", | |
| "select", | |
| "zonecut", | |
| "cookie", | |
| "statis", | |
| "rebind", | |
| "worker", | |
| "policy", | |
| "daf", | |
| "timejm", | |
| "timesk", | |
| "graphi", | |
| "prefil", | |
| "primin", | |
| "srvstl", | |
| "wtchdg", | |
| "nsid", | |
| "dnstap", | |
| "tests", | |
| "dotaut", | |
| "http", | |
| "contrl", | |
| "module", | |
| "devel", | |
| "reqdbg" | |
| ] | |
| }, | |
| "description": "List of groups for which 'debug' logging level is set.", | |
| "default": null | |
| }, | |
| "dnssec-bogus": { | |
| "type": "boolean", | |
| "description": "Logging a message for each DNSSEC validation failure.", | |
| "default": false | |
| }, | |
| "dnstap": { | |
| "anyOf": [ | |
| { | |
| "type": "string", | |
| "enum": [ | |
| false | |
| ] | |
| }, | |
| { | |
| "description": "Logging DNS queries and responses to a unix socket.", | |
| "type": "object", | |
| "properties": { | |
| "unix-socket": { | |
| "type": "string", | |
| "description": "Path to unix domain socket where dnstap messages will be sent." | |
| }, | |
| "log-queries": { | |
| "type": "boolean", | |
| "description": "Log queries from downstream in wire format.", | |
| "default": true | |
| }, | |
| "log-responses": { | |
| "type": "boolean", | |
| "description": "Log responses to downstream in wire format.", | |
| "default": true | |
| }, | |
| "log-tcp-rtt": { | |
| "type": "boolean", | |
| "description": "Log TCP RTT (Round-trip time).", | |
| "default": true | |
| } | |
| } | |
| } | |
| ], | |
| "description": "Logging DNS requests and responses to a unix socket.", | |
| "default": false | |
| }, | |
| "debugging": { | |
| "description": "Advanced debugging parameters for kresd (Knot Resolver daemon).", | |
| "type": "object", | |
| "properties": { | |
| "assertion-abort": { | |
| "type": "boolean", | |
| "description": "Allow the process to be aborted in case it encounters a failed assertion.", | |
| "default": false | |
| }, | |
| "assertion-fork": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "description": "Fork and abord child kresd process to obtain a coredump, while the parent process recovers and keeps running.", | |
| "default": "5m" | |
| } | |
| }, | |
| "default": { | |
| "assertion_abort": false, | |
| "assertion_fork": "5m" | |
| } | |
| } | |
| }, | |
| "default": { | |
| "level": "notice", | |
| "target": "stdout", | |
| "groups": null, | |
| "dnssec_bogus": false, | |
| "dnstap": false, | |
| "debugging": { | |
| "assertion_abort": false, | |
| "assertion_fork": "5m" | |
| } | |
| } | |
| }, | |
| "monitoring": { | |
| "description": "Metrics exposisition configuration (Prometheus, Graphite)", | |
| "type": "object", | |
| "properties": { | |
| "enabled": { | |
| "type": "string", | |
| "enum": [ | |
| "manager-only", | |
| "lazy", | |
| "always" | |
| ], | |
| "description": "configures, whether statistics module will be loaded into resolver", | |
| "default": "lazy" | |
| }, | |
| "graphite": { | |
| "anyOf": [ | |
| { | |
| "type": "string", | |
| "enum": [ | |
| false | |
| ] | |
| }, | |
| { | |
| "type": "object", | |
| "properties": { | |
| "host": { | |
| "anyOf": [ | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string" | |
| }, | |
| { | |
| "type": "string", | |
| "pattern": "(?=^.{,253}\\.?$)(^(?!\\.)((?!-)\\.?[a-zA-Z0-9-]{,62}[a-zA-Z0-9])+\\.?$)|^\\.$" | |
| } | |
| ] | |
| }, | |
| "port": { | |
| "type": "integer", | |
| "minimum": 1, | |
| "maximum": 65535, | |
| "default": 2003 | |
| }, | |
| "prefix": { | |
| "type": "string", | |
| "default": "" | |
| }, | |
| "interval": { | |
| "type": "string", | |
| "pattern": "^(\\d+)(us|ms|s|m|h|d)$", | |
| "default": "5s" | |
| }, | |
| "tcp": { | |
| "type": "boolean", | |
| "default": false | |
| } | |
| } | |
| } | |
| ], | |
| "description": "optionally configures where should graphite metrics be sent to", | |
| "default": false | |
| } | |
| }, | |
| "default": { | |
| "enabled": "lazy", | |
| "graphite": false | |
| } | |
| }, | |
| "lua": { | |
| "description": "Custom Lua configuration.", | |
| "type": "object", | |
| "properties": { | |
| "script-only": { | |
| "type": "boolean", | |
| "description": "Ignore declarative configuration and use only Lua script or file defined in this section.", | |
| "default": false | |
| }, | |
| "script": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Custom Lua configuration script.", | |
| "default": null | |
| }, | |
| "script-file": { | |
| "type": [ | |
| "string", | |
| "null" | |
| ], | |
| "description": "Path to file that contains Lua configuration script.", | |
| "default": null | |
| } | |
| }, | |
| "default": { | |
| "script_only": false, | |
| "script": null, | |
| "script_file": null | |
| } | |
| } | |
| } | |
| } |
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