File: firewall-example

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sauce 0.7.7.1
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# Firewall setup fragment for Linux ipchains:
# Deal with repeated SMTP connects which SAUCE wants to blackhole

#ipchains=ipchains -v
ipchains=ipchains
#extraconds='-i eth0'
extraconds=''
#destaddrs=chiark.greenend.org.uk
destaddrs=0.0.0.0/0

$ipchains -N Sauce
$ipchains -A input -j Sauce $extraconds -p tcp -y -d $destaddrs smtp