# ############################################# # # # dnscrypt-proxy configuration # # # # ############################################# listen_addresses = [ "127.0.0.1:5533" ] # # Maximum number of simultaneous client connections to accept max_clients = 250 # # Switch to a different system user after listening sockets have been created. # # Note (1): this feature is currently unsupported on Windows. # # Note (2): this feature is not compatible with systemd socket activation. # # Note (3): when using -pidfile, the PID file directory must be writable by the new user # user_name = 'nobody' # # Require servers (from remote sources) to satisfy specific properties # Use servers reachable over IPv4 ipv4_servers = true # Use servers reachable over IPv6 -- Do not enable if you don't have IPv6 connectivity ipv6_servers = false # Use servers implementing the DNSCrypt protocol dnscrypt_servers = true # Use servers implementing the DNS-over-HTTPS protocol doh_servers = true # Use servers implementing the Oblivious DoH protocol odoh_servers = false # # Require servers defined by remote sources to satisfy specific properties # Server must support DNS security extensions (DNSSEC) require_dnssec = false # Server must not log user queries (declarative) require_nolog = true # Server must not enforce its own blocklist (for parental control, ads blocking...) require_nofilter = true # Server names to avoid even if they match all criteria disabled_server_names = [] # # Always use TCP to connect to upstream servers. # # This can be useful if you need to route everything through Tor. # # Otherwise, leave this to `false`, as it doesn't improve security # # (dnscrypt-proxy will always encrypt everything even using UDP), and can # # only increase latency. force_tcp = false # # SOCKS proxy # # Uncomment the following line to route all TCP connections to a local Tor node # # Tor doesn't support UDP, so set `force_tcp` to `true` as well. # proxy = 'socks5://127.0.0.1:9050' # # HTTP/HTTPS proxy # # Only for DoH servers # http_proxy = 'http://127.0.0.1:8888' # # How long a DNS query will wait for a response, in milliseconds. # # If you have a network with *a lot* of latency, you may need to # # increase this. Startup may be slower if you do so. # # Don't increase it too much. 10000 is the highest reasonable value. timeout = 5000 # # Keepalive for HTTP (HTTPS, HTTP/2) queries, in seconds keepalive = 30 # # Add EDNS-client-subnet information to outgoing queries # # # # Multiple networks can be listed; they will be randomly chosen. # # These networks don't have to match your actual networks. # edns_client_subnet = ["0.0.0.0/0", "2001:db8::/32"] # # Response for blocked queries. Options are `refused`, `hinfo` (default) or # # an IP response. To give an IP response, use the format `a:,aaaa:`. # # Using the `hinfo` option means that some responses will be lies. # # Unfortunately, the `hinfo` option appears to be required for Android 8+ # blocked_query_response = 'refused' # # Load-balancing strategy: 'p2' (default), 'ph', 'p', 'first' or 'random' # # Randomly choose 1 of the fastest 2, half, n, 1 or all live servers by latency. # # The response quality still depends on the server itself. # lb_strategy = 'p2' # # Set to `true` to constantly try to estimate the latency of all the resolvers # # and adjust the load-balancing parameters accordingly, or to `false` to disable. # # Default is `true` that makes 'p2' `lb_strategy` work well. # lb_estimator = true # # Log level (0-6, default: 2 - 0 is very verbose, 6 only contains fatal errors) # log_level = 2 # # Log file for the application, as an alternative to sending logs to # # the standard system logging service (syslog/Windows event log). # # # # This file is different from other log files, and will not be # # automatically rotated by the application. # log_file = 'dnscrypt-proxy.log' # # When using a log file, only keep logs from the most recent launch. # log_file_latest = true # # Use the system logger (syslog on Unix, Event Log on Windows) # use_syslog = true # # Delay, in minutes, after which certificates are reloaded cert_refresh_delay = 240 # # DNSCrypt: Create a new, unique key for every single DNS query # # This may improve privacy but can also have a significant impact on CPU usage # # Only enable if you don't have a lot of network load # dnscrypt_ephemeral_keys = false # # DoH: Disable TLS session tickets - increases privacy but also latency # tls_disable_session_tickets = false # # DoH: Use a specific cipher suite instead of the server preference # # 49199 = TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 # # 49195 = TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 # # 52392 = TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305 # # 52393 = TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 # # 4865 = TLS_AES_128_GCM_SHA256 # # 4867 = TLS_CHACHA20_POLY1305_SHA256 # # # # On non-Intel CPUs such as MIPS routers and ARM systems (Android, Raspberry Pi...), # # the following suite improves performance. # # This may also help on Intel CPUs running 32-bit operating systems. # # # # Keep tls_cipher_suite empty if you have issues fetching sources or # # connecting to some DoH servers. Google and Cloudflare are fine with it. # tls_cipher_suite = [52392, 49199] # # Bootstrap resolvers # # # # These are normal, non-encrypted DNS resolvers, that will be only used # # for one-shot queries when retrieving the initial resolvers list and if # # the system DNS configuration doesn't work. # # # # No user queries will ever be leaked through these resolvers, and they will # # not be used after IP addresses of DoH resolvers have been found (if you are # # using DoH). # # # # They will never be used if lists have already been cached, and if the stamps # # of the configured servers already include IP addresses (which is the case for # # most of DoH servers, and for all DNSCrypt servers and relays). # # # # They will not be used if the configured system DNS works, or after the # # proxy already has at least one usable secure resolver. # # # # Resolvers supporting DNSSEC are recommended, and, if you are using # # DoH, bootstrap resolvers should ideally be operated by a different entity # # than the DoH servers you will be using, especially if you have IPv6 enabled. # # # # People in China may want to use 114.114.114.114:53 here. # # Other popular options include 8.8.8.8, 9.9.9.9 and 1.1.1.1. # # # # If more than one resolver is specified, they will be tried in sequence. # # # # TL;DR: put valid standard resolver addresses here. Your actual queries will # # not be sent there. If you're using DNSCrypt or Anonymized DNS and your # # lists are up to date, these resolvers will not even be used. bootstrap_resolvers = [ '9.9.9.9:53', '8.8.8.8:53' ] # # Always use the bootstrap resolver before the system DNS settings. ignore_system_dns = true # # Maximum time (in seconds) to wait for network connectivity before # # initializing the proxy. # # Useful if the proxy is automatically started at boot, and network # # connectivity is not guaranteed to be immediately available. # # Use 0 to not test for connectivity at all (not recommended), # # and -1 to wait as much as possible. netprobe_timeout = 60 # # Address and port to try initializing a connection to, just to check # # if the network is up. It can be any address and any port, even if # # there is nothing answering these on the other side. Just don't use # # a local address, as the goal is to check for Internet connectivity. # # On Windows, a datagram with a single, nul byte will be sent, only # # when the system starts. # # On other operating systems, the connection will be initialized # # but nothing will be sent at all. netprobe_address = '9.9.9.9:53' # # Offline mode - Do not use any remote encrypted servers. # # The proxy will remain fully functional to respond to queries that # # plugins can handle directly (forwarding, cloaking, ...) # offline_mode = false # # Additional data to attach to outgoing queries. # # These strings will be added as TXT records to queries. # # Do not use, except on servers explicitly asking for extra data # # to be present. # # encrypted-dns-server can be configured to use this for access control # # in the [access_control] section # query_meta = ['key1:value1', 'key2:value2', 'token:MySecretToken'] # # Automatic log files rotation # Maximum log files size in MB - Set to 0 for unlimited. log_files_max_size = 10 # How long to keep backup files, in days log_files_max_age = 7 # Maximum log files backups to keep (or 0 to keep all backups) log_files_max_backups = 1 # ######################## # Filters # # ######################## # # Note: if you are using dnsmasq, disable the `dnssec` option in dnsmasq if you # # configure dnscrypt-proxy to do any kind of filtering (including the filters # # below and blocklists). # # You can still choose resolvers that do DNSSEC validation. # # Immediately respond to IPv6-related queries with an empty response # # This makes things faster when there is no IPv6 connectivity, but can # # also cause reliability issues with some stub resolvers. block_ipv6 = false # # Immediately respond to A and AAAA queries for host names without a domain name block_unqualified = true # # Immediately respond to queries for local zones instead of leaking them to # # upstream resolvers (always causing errors or timeouts). block_undelegated = true # # TTL for synthetic responses sent when a request has been blocked (due to # # IPv6 or blocklists). reject_ttl = 10 # ################################################################################# # Route queries for specific domains to a dedicated set of servers # # ################################################################################# # # See the `example-forwarding-rules.txt` file for an example # forwarding_rules = 'forwarding-rules.txt' # ############################## # Cloaking rules # # ############################## # # Cloaking returns a predefined address for a specific name. # # In addition to acting as a HOSTS file, it can also return the IP address # # of a different name. It will also do CNAME flattening. # # # # See the `example-cloaking-rules.txt` file for an example # cloaking_rules = 'cloaking-rules.txt' # # TTL used when serving entries in cloaking-rules.txt # cloak_ttl = 600 # ########################## # DNS cache # # ########################## # # Enable a DNS cache to reduce latency and outgoing traffic cache = true # # Cache size cache_size = 4096 cache_min_ttl = 60 cache_max_ttl = 120 cache_neg_min_ttl = 60 cache_neg_max_ttl = 120 log_level = 6 lb_strategy = "ph" # # dnscrypt-proxy can act as a local DoH server. By doing so, web browsers # # requiring a direct connection to a DoH server in order to enable some # # features will enable these, without bypassing your DNS proxy. # # Addresses that the local DoH server should listen to # listen_addresses = ['127.0.0.1:3000'] # # Path of the DoH URL. This is not a file, but the part after the hostname # # in the URL. By convention, `/dns-query` is frequently chosen. # # For each `listen_address` the complete URL to access the server will be: # # `https://` (ex: `https://127.0.0.1/dns-query`) # path = '/dns-query' # # Certificate file and key - Note that the certificate has to be trusted. # # See the documentation (wiki) for more information. # cert_file = 'localhost.pem' # cert_key_file = 'localhost.pem' # ############################## # Query logging # # ############################## # # Log client queries to a file [query_log] # # Path to the query log file (absolute, or relative to the same directory as the config file) # # Can be set to /dev/stdout in order to log to the standard output. # file = 'query.log' # # Query log format (currently supported: tsv and ltsv) format = 'tsv' # # Do not log these query types, to reduce verbosity. Keep empty to log everything. # ignored_qtypes = ['DNSKEY', 'NS'] # ########################################### # Suspicious queries logging # # ########################################### # # Log queries for nonexistent zones # # These queries can reveal the presence of malware, broken/obsolete applications, # # and devices signaling their presence to 3rd parties. [nx_log] # # Path to the query log file (absolute, or relative to the same directory as the config file) # file = 'nx.log' # # Query log format (currently supported: tsv and ltsv) format = 'tsv' # [schedules.'time-to-sleep'] # mon = [{after='21:00', before='7:00'}] # tue = [{after='21:00', before='7:00'}] # wed = [{after='21:00', before='7:00'}] # thu = [{after='21:00', before='7:00'}] # fri = [{after='23:00', before='7:00'}] # sat = [{after='23:00', before='7:00'}] # sun = [{after='21:00', before='7:00'}] # [schedules.'work'] # mon = [{after='9:00', before='18:00'}] # tue = [{after='9:00', before='18:00'}] # wed = [{after='9:00', before='18:00'}] # thu = [{after='9:00', before='18:00'}] # fri = [{after='9:00', before='17:00'}] # ######################## # Servers # # ######################## # # Remote lists of available servers # # Multiple sources can be used simultaneously, but every source # # requires a dedicated cache file. # # # # Refer to the documentation for URLs of public sources. # # # # A prefix can be prepended to server names in order to # # avoid collisions if different sources share the same for # # different servers. In that case, names listed in `server_names` # # must include the prefixes. # # # # If the `urls` property is missing, cache files and valid signatures # # must already be present. This doesn't prevent these cache files from # # expiring after `refresh_delay` hours. # # Cache freshness is checked every 24 hours, so values for 'refresh_delay' # # of less than 24 hours will have no effect. # # A maximum delay of 168 hours (1 week) is imposed to ensure cache freshness. [sources] # # An example of a remote source from https://github.com/DNSCrypt/dnscrypt-resolvers [sources.public-resolvers] urls = [ 'https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/public-resolvers.md', 'https://download.dnscrypt.info/resolvers-list/v3/public-resolvers.md', 'https://ipv6.download.dnscrypt.info/resolvers-list/v3/public-resolvers.md', 'https://download.dnscrypt.net/resolvers-list/v3/public-resolvers.md' ] cache_file = 'public-resolvers.md' minisign_key = 'RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3' refresh_delay = 72 prefix = '' # # Anonymized DNS relays [sources.relays] urls = [ 'https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/relays.md', 'https://download.dnscrypt.info/resolvers-list/v3/relays.md', 'https://ipv6.download.dnscrypt.info/resolvers-list/v3/relays.md', 'https://download.dnscrypt.net/resolvers-list/v3/relays.md' ] cache_file = 'relays.md' minisign_key = 'RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3' refresh_delay = 72 prefix = '' # # ODoH (Oblivious DoH) servers and relays # [sources.'odoh-servers'] # urls = ['https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/odoh-servers.md', 'https://download.dnscrypt.info/resolvers-list/v3/odoh-servers.md', 'https://ipv6.download.dnscrypt.info/resolvers-list/v3/odoh-servers.md', 'https://download.dnscrypt.net/resolvers-list/v3/odoh-servers.md'] # cache_file = 'odoh-servers.md' # minisign_key = 'RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3' # refresh_delay = 24 # prefix = '' # [sources.'odoh-relays'] # urls = ['https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/odoh-relays.md', 'https://download.dnscrypt.info/resolvers-list/v3/odoh-relays.md', 'https://ipv6.download.dnscrypt.info/resolvers-list/v3/odoh-relays.md', 'https://download.dnscrypt.net/resolvers-list/v3/odoh-relays.md'] # cache_file = 'odoh-relays.md' # minisign_key = 'RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3' # refresh_delay = 24 # prefix = '' # # Quad9 # [sources.quad9-resolvers] # urls = ['https://www.quad9.net/quad9-resolvers.md'] # minisign_key = 'RWQBphd2+f6eiAqBsvDZEBXBGHQBJfeG6G+wJPPKxCZMoEQYpmoysKUN' # cache_file = 'quad9-resolvers.md' # prefix = 'quad9-' # # Another example source, with resolvers censoring some websites not appropriate for children # # This is a subset of the `public-resolvers` list, so enabling both is useless # [sources.'parental-control'] # urls = ['https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/parental-control.md', 'https://download.dnscrypt.info/resolvers-list/v3/parental-control.md', 'https://ipv6.download.dnscrypt.info/resolvers-list/v3/parental-control.md', 'https://download.dnscrypt.net/resolvers-list/v3/parental-control.md'] # cache_file = 'parental-control.md' # minisign_key = 'RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3' # ######################################## # Servers with known bugs # # ######################################## [broken_implementations] # Cisco servers currently cannot handle queries larger than 1472 bytes, and don't # truncate reponses larger than questions as expected by the DNSCrypt protocol. # This prevents large responses from being received over UDP and over relays. # # Older versions of the `dnsdist` server software had a bug with queries larger # than 1500 bytes. This is fixed since `dnsdist` version 1.5.0, but # some server may still run an outdated version. # # The list below enables workarounds to make non-relayed usage more reliable # until the servers are fixed. fragments_blocked = [ 'cisco', 'cisco-ipv6', 'cisco-familyshield', 'cisco-familyshield-ipv6', 'cleanbrowsing-adult', 'cleanbrowsing-adult-ipv6', 'cleanbrowsing-family', 'cleanbrowsing-family-ipv6', 'cleanbrowsing-security', 'cleanbrowsing-security-ipv6' ] # # creds = [ # { server_name='*', client_cert='client.crt', client_key='client.key' } # ] # ############################### # Anonymized DNS # # ############################### [anonymized_dns] # # Routes are indirect ways to reach DNSCrypt servers. # # # # A route maps a server name ("server_name") to one or more relays that will be # # used to connect to that server. # # # # A relay can be specified as a DNS Stamp (either a relay stamp, or a # # DNSCrypt stamp) or a server name. # # # # The following example routes "example-server-1" via `anon-example-1` or `anon-example-2`, # # and "example-server-2" via the relay whose relay DNS stamp is # # "sdns://gRIxMzcuNzQuMjIzLjIzNDo0NDM". # # # # !!! THESE ARE JUST EXAMPLES !!! # # # # Review the list of available relays from the "relays.md" file, and, for each # # server you want to use, define the relays you want connections to go through. # # # # Carefully choose relays and servers so that they are run by different entities. # # # # "server_name" can also be set to "*" to define a default route, for all servers: # # { server_name='*', via=['anon-example-1', 'anon-example-2'] } # # # # If a route is ["*"], the proxy automatically picks a relay on a distinct network. # # { server_name='*', via=['*'] } is also an option, but is likely to be suboptimal. # # # # Manual selection is always recommended over automatic selection, so that you can # # select (relay,server) pairs that work well and fit your own criteria (close by or # # in different countries, operated by different entities, on distinct ISPs...) # routes = [ # { server_name='example-server-1', via=['anon-example-1', 'anon-example-2'] }, # { server_name='example-server-2', via=['sdns://gRIxMzcuNzQuMjIzLjIzNDo0NDM'] } # ] # Skip resolvers incompatible with anonymization instead of using them directly skip_incompatible = false