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nixbld: work around tunnel TCPMSS issues

This commit is contained in:
Sébastien Bourdeauducq 2024-08-29 18:39:52 +08:00
parent 23e1fa029a
commit 90a6b84c09
1 changed files with 9 additions and 0 deletions

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@ -176,11 +176,20 @@ in
iptables -w -A block-insecure-devices -m mac --mac-source d8:9c:67:ab:83:e7 -j DROP # HP printer, wifi iptables -w -A block-insecure-devices -m mac --mac-source d8:9c:67:ab:83:e7 -j DROP # HP printer, wifi
iptables -w -A block-insecure-devices -m mac --mac-source f4:39:09:f7:3c:d7 -j DROP # HP printer, ethernet iptables -w -A block-insecure-devices -m mac --mac-source f4:39:09:f7:3c:d7 -j DROP # HP printer, ethernet
iptables -w -A FORWARD -j block-insecure-devices iptables -w -A FORWARD -j block-insecure-devices
iptables -w -N pccw-sucks
iptables -A pccw-sucks -o ${netifSit} -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1360
iptables -A pccw-sucks -o alt0 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1380
iptables -w -A FORWARD -j pccw-sucks
''; '';
extraStopCommands = '' extraStopCommands = ''
iptables -w -D FORWARD -j block-insecure-devices 2>/dev/null|| true iptables -w -D FORWARD -j block-insecure-devices 2>/dev/null|| true
iptables -w -F block-insecure-devices 2>/dev/null|| true iptables -w -F block-insecure-devices 2>/dev/null|| true
iptables -w -X block-insecure-devices 2>/dev/null|| true iptables -w -X block-insecure-devices 2>/dev/null|| true
iptables -w -D FORWARD -j pccw-sucks 2>/dev/null|| true
iptables -w -F pccw-sucks 2>/dev/null|| true
iptables -w -X pccw-sucks 2>/dev/null|| true
''; '';
}; };
sits."${netifSit}" = { sits."${netifSit}" = {