iptables/iptables-legacy-flush

19 lines
343 B
Bash

#!/bin/bash
#
# Usage: iptables-flush [6]
#
iptables=ip$1tables
if ! type -p "$iptables" &>/dev/null; then
echo "error: invalid argument"
exit 1
fi
while read -r table; do
tables+=("/usr/share/iptables/empty-$table.rules")
done <"/proc/net/ip$1_tables_names"
if (( ${#tables[*]} )); then
cat "${tables[@]}" | "$iptables-restore"
fi