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This commit is contained in:
Mark Felder 2021-01-27 10:00:16 -06:00
parent 617ec63483
commit 127c5ad253
1 changed files with 8 additions and 5 deletions
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lib/pleroma/web/activity_pub/mrf/dns_rbl_policy.ex
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@ -28,9 +28,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.DnsRblPolicy do
# If the provided nameserver was an IP, we also need to know the zone because we can't # If the provided nameserver was an IP, we also need to know the zone because we can't
# derive it from the hostname. If the DNSRBL server software is configured to use "bl.pleroma.com" # derive it from the hostname. If the DNSRBL server software is configured to use "bl.pleroma.com"
# -- irrespective of the actual hostname/IP used to reach it -- we need to know this as all queries # -- irrespective of the actual hostname/IP used to reach it --
# are nested under the zone. e.g., if you're checking the status of pleroma.host you are querying for: # we need the configured zone as queries are nested under the zone. e.g., if you're checking the
# status of pleroma.host you are querying for:
#
# dig @nameserverip pleroma.host.bl.pleroma.com. in A # dig @nameserverip pleroma.host.bl.pleroma.com. in A
#
rblzone = rblconfig[:rblzone] || rblhost rblzone = rblconfig[:rblzone] || rblhost
# concatenate the host we're checking with the zone, e.g., "pleroma.host" <> . <> "bl.pleroma.com" <> . # concatenate the host we're checking with the zone, e.g., "pleroma.host" <> . <> "bl.pleroma.com" <> .
@ -41,9 +44,9 @@ defmodule Pleroma.Web.ActivityPub.MRF.DnsRblPolicy do
|> String.to_charlist() |> String.to_charlist()
# Timeout of 1s, retry 1 # Timeout of 1s, retry 1
# We will only be using UDP for queries, so I think if the DNSRBL server is > 500ms away it won't work # We will only be using UDP for queries, so if the DNSRBL server is > 500ms away it
# with these values, but you also wouldn't want it to be so far away or it will slow things down. # may not work. However you wouldn't want it to be this far away or it will slow things
# I think we should probably try to cache entries in cachex too, maybe 300s TTL ? # down. I think we should probably try to cache entries in cachex too, maybe 300s TTL ?
rbl_response = rbl_response =
:inet_res.lookup(query, :in, :a, nameservers: [{rblnsip, rblport}], timeout: 1000, retry: 1) :inet_res.lookup(query, :in, :a, nameservers: [{rblnsip, rblport}], timeout: 1000, retry: 1)