dnscrypt-proxy-google-v4.toml

# dohot project: -*- conf -*-
# https://github.com/alecmuffett/dohot

# dnscrypt-proxy:
# https://github.com/DNSCrypt/dnscrypt-proxy

# documentation for this file:
# https://github.com/DNSCrypt/dnscrypt-proxy/blob/master/dnscrypt-proxy/example-dnscrypt-proxy.toml

# ------------------------------------------------------------------

# listen on all interfaces
listen_addresses = ['0.0.0.0:53']

# server_names: default: commented out, let the server decide
# server_names = ['cloudflare', 'google', 'onion-cloudflare']

# server names to avoid even if they match all criteria
# disabled_server_names = []

# what kinds of server do we want to resolve from?
doh_servers = true
ipv4_servers = false
ipv6_servers = false
dnscrypt_servers = false

# do we support IPv6 accressing?
block_ipv6 = true

# don't let weird queries & typos leak upstream
block_unqualified = true
block_undelegated = true

# TTL for synthetic responses sent when a request has been blocked
reject_ttl = 600

# request DoH servers which offer DNSSEC / tamperproofing
require_dnssec = true

# we are using tor, so we should not care about logging
require_nolog = false

# request DoH servers that advertise themselves as unfiltered
require_nofilter = true

# use tor
force_tcp = true
proxy = 'socks5://127.0.0.1:9050'

# how long (ms) a DNS query will wait for a response; reasonable max 10s
timeout = 10000

# keepalive for HTTP (HTTPS, HTTP/2) queries, in seconds; default: 30
keepalive = 30

# loadbalancing; p2 strategy, and continuous farming of the list
lb_strategy = 'p2'
lb_estimator = true

# logging: approx 1 month of weekly logs, capped-out/force-rotated at 64Mb
log_level = 2
use_syslog = true
log_files_max_size = 64
log_files_max_age = 7
log_files_max_backups = 4

# delay, in minutes, after which certificates are reloaded; this also
# drives the latency logger, so we poll/log every hour
cert_refresh_delay = 60

# less linkability / more privacy at slight performance impact;
# see the notes in the above-cited documentation
tls_disable_session_tickets = true
tls_cipher_suite = [52392, 49199]

# for healthcheck, heartbeat and bootstrap, dnscrypt-proxy MUST be
# able to probe the internet, so we must configure our firewall so
# that it is the only one which can use port 53 to the internet;
# dnscrypt-proxy claims that it will only use these services in very
# limited circumstances. Regards option naming, see:
# https://github.com/DNSCrypt/dnscrypt-proxy/commit/c500287498a05b07c3af8effa23a0ba4c42f00f1
fallback_resolvers = ['8.8.8.8:53']
netprobe_address = '8.8.8.8:53'
netprobe_timeout = 60
ignore_system_dns = true

# explicit caching
cache = true
cache_size = 4096
cache_min_ttl = 2400
cache_max_ttl = 86400
cache_neg_min_ttl = 60
cache_neg_max_ttl = 600

# I am not configuring this resolver as a local DoH listener, to do so
# requires a TLS certificate and that's a world of pain

[query_log]
file = '/var/log/dnscrypt-proxy/query.log'
# ignored_qtypes = ['DNSKEY', 'NS']

[nx_log]
file = '/var/log/dnscrypt-proxy/nx.log'

[blocked_names]
# blocked_names_file = 'blocked-names.txt'
# log_file = '/var/log/dnscrypt-proxy/blocked-names.log'

[blocked_ips]
# blocked_ips_file = 'blocked-ips.txt'
# log_file = '/var/log/dnscrypt-proxy/blocked-ips.log'

[allowed_names]
# allowed_names_file = 'allowed-names.txt'
# log_file = '/var/log/dnscrypt-proxy/allowed-names.log'

[allowed_ips]
# allowed_ips_file = 'allowed-ips.txt'
# log_file = '/var/log/dnscrypt-proxy/allowed-ips.log'

[sources]

[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']
minisign_key = 'RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3'
cache_file = 'public-resolvers.md'

[sources.'onion-services']
urls = ['https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/onion-services.md', 'https://download.dnscrypt.info/resolvers-list/v3/onion-services.md']
minisign_key = 'RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3'
cache_file = 'onion-services.md'