yunginnanet
/ ipt-dedup.sh
Last active
February 24, 2022 07:32
— forked from wallneradam/ipt-dedup.sh
Iptables rules deduplication script (with ipv6 support) **v6 only lightly tested**
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| #!/bin/sh | |
| ipt="iptables -w" | |
| ip6t="ip6tables -w" | |
| dedup() { | |
| iptables-save | sed -n "/$1/,/COMMIT/p" | grep "^-" | sort | uniq -dc | while read l | |
| do | |
| c=$(echo "$l" | sed "s|^[ ]*\([0-9]*\).*$|\1|") | |
| rule=$(echo "$l" | sed "s|^[ ]*[0-9]* -A\(.*\)$|-t $1 -D\1|") |