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2026-05-11 09:15:08 +02:00

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#!/usr/bin/env bash
checkForRules() {
# check if a Block states at least 1 reference (ufw blocks)
# and has more 2 lines (Input, Output, Forward blocks)
$1 -L | awk -v RS="\n\n" '$0 !~ /\(0 references\)/ && $0 ~ /.+\n.+\n.+/ {print $0}'
}
[[ -n "$(checkForRules ip6tables)" || -n "$(checkForRules iptables)" ]] && exit 1
exit 0