Quad9 doesn't seem to block fragments on all networks

So, remove them from the static list and trust the runtime checks
for detection.
This commit is contained in:
Frank Denis 2020-03-24 14:32:23 +01:00
parent 315f6f45ff
commit c4287c799f
2 changed files with 7 additions and 4 deletions

View File

@ -134,7 +134,7 @@ func newConfig() Config {
LBEstimator: true, LBEstimator: true,
BlockedQueryResponse: "hinfo", BlockedQueryResponse: "hinfo",
BrokenImplementations: BrokenImplementationsConfig{ BrokenImplementations: BrokenImplementationsConfig{
BrokenQueryPadding: []string{"cisco", "cisco-ipv6", "cisco-familyshield", "quad9-dnscrypt-ip4-filter-alt", "quad9-dnscrypt-ip4-filter-pri", "quad9-dnscrypt-ip4-nofilter-alt", "quad9-dnscrypt-ip4-nofilter-pri", "quad9-dnscrypt-ip6-filter-alt", "quad9-dnscrypt-ip6-filter-pri", "quad9-dnscrypt-ip6-nofilter-alt", "quad9-dnscrypt-ip6-nofilter-pri"}, BrokenQueryPadding: []string{"cisco", "cisco-ipv6", "cisco-familyshield"},
}, },
} }
} }

View File

@ -626,10 +626,10 @@ cache_neg_max_ttl = 600
# truncate reponses larger than questions as expected by the DNSCrypt protocol. # truncate reponses larger than questions as expected by the DNSCrypt protocol.
# This prevents large responses from being received, and breaks relaying. # This prevents large responses from being received, and breaks relaying.
# A workaround for the first issue will be applied to servers in list below. # A workaround for the first issue will be applied to servers in list below.
# Quad9 appears to currently have a similar issue. # Quad9 appears to be dropping fragmented UDP queries, but only for some networks.
# Do not change that list until the bugs are fixed server-side. # Do not change that list until the bugs are fixed server-side.
broken_query_padding = ['cisco', 'cisco-ipv6', 'cisco-familyshield', 'quad9-dnscrypt-ip4-filter-alt', 'quad9-dnscrypt-ip4-filter-pri', 'quad9-dnscrypt-ip4-nofilter-alt', 'quad9-dnscrypt-ip4-nofilter-pri', 'quad9-dnscrypt-ip6-filter-alt', 'quad9-dnscrypt-ip6-filter-pri', 'quad9-dnscrypt-ip6-nofilter-alt', 'quad9-dnscrypt-ip6-nofilter-pri'] broken_query_padding = ['cisco', 'cisco-ipv6', 'cisco-familyshield']
@ -637,10 +637,13 @@ broken_query_padding = ['cisco', 'cisco-ipv6', 'cisco-familyshield', 'quad9-dnsc
# TLS Client Authentication # # TLS Client Authentication #
################################ ################################
# This is only useful if you are operating your own, private DoH server(s).
# (for DNSCrypt, see the `query_meta` feature instead)
[tls_client_auth] [tls_client_auth]
# creds = [ # creds = [
# { server_name='myserver', client_cert='client.crt', client_key='client.key' }, # { server_name='myserver', client_cert='client.crt', client_key='client.key' }
# ] # ]