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netns: allow return traffic to outgoing connections

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nixbitcoin 2020-08-12 14:46:16 +00:00
parent 99295328b4
commit b97584f5cb
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1 changed files with 2 additions and 0 deletions
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2
modules/netns-isolation.nix
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@ -160,6 +160,8 @@ in {
${ipNetns} route add default via ${bridgeIp}
${netnsIptables} -w -P INPUT DROP
${netnsIptables} -w -A INPUT -s 127.0.0.1,${bridgeIp},${v.address} -j ACCEPT
# allow return traffic to outgoing connections initiated by the service itself
${netnsIptables} -w -A INPUT -m conntrack --ctstate ESTABLISHED -j ACCEPT
'' + (optionalString (config.services.${n}.enforceTor or false)) ''
${netnsIptables} -w -P OUTPUT DROP
${netnsIptables} -w -A OUTPUT -d 127.0.0.1,${bridgeIp},${v.address} -j ACCEPT