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make rules stateless so that new blacklist entry works for existing connections as well

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Pawel Krawczyk 2015-01-06 10:19:16 +00:00
parent 3aa2bc36b8
commit 84567f1845
1 changed files with 2 additions and 2 deletions
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4
blacklist.sh
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@ -32,10 +32,10 @@ fi
# inject references to blocklist in the beginning of input and forward chains
if ! iptables -L INPUT | grep -q ${blocklist_chain_name}; then
iptables -I INPUT 1 -m state --state NEW,RELATED -j ${blocklist_chain_name}
iptables -I INPUT 1 -j ${blocklist_chain_name}
fi
if ! iptables -L FORWARD | grep -q ${blocklist_chain_name}; then
iptables -I FORWARD 1 -m state --state NEW,RELATED -j ${blocklist_chain_name}
iptables -I FORWARD 1 -j ${blocklist_chain_name}
fi
# flush the chain referencing blacklists, they will be restored in a second