abs/core/iptables/iptables-flush


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#!/bin/bash
#
# Usage: iptables-flush [6]
#

iptables=ip$1tables
if ! type -p "$iptables"; then
  echo "error: invalid argument"
  exit 1
fi

while read -r table; do
  tables+=("/var/lib/$iptables/empty-$table.rules")
done <"/proc/net/ip$1_tables_names"

if (( ${#tables[*]} )); then
  cat "${tables[@]}" | "$iptables-restore"
fi