source: lab.git/TipAndDoc/iptables/setmasq.sh @ a1439aa

trunk
Last change on this file since a1439aa was 8333ea0, checked in by mitty <mitty@…>, 14 years ago

git-svn-id: https://lab.mitty.jp/svn/lab/trunk@92 7d2118f6-f56c-43e7-95a2-4bb3031d96e7

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File size: 735 bytes
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[e829fd8]1#!/bin/sh
2
3# set IP MASQUERADE with post-up command in INTERFACES(5)
4
5
6set -x
7
8## INTERFACES(5)
9# IFACE  physical name of the interface being processed
[b9ae53a]10# METHOD method of the interface (e.g., static)
11# MODE   start if run from ifup, stop if run from ifdown
12# PHASE  as per MODE, but with finer granularity, distinguishing the pre-
13#        up, post-up, pre-down and post-down phases.
[e829fd8]14
15# optional argument to set default gateway devices connected to WAN manually
16# (try each of them in order)
17
18if [ "${PHASE}" = "post-down" ]; then
19    # remove MASQUERADE rule and exit
20    /sbin/iptables -t nat -D POSTROUTING -o ${IFACE} -j MASQUERADE
21    exit
22fi
23
24
25# set MASQUERADE rule
26/sbin/iptables -t nat -A POSTROUTING -o ${IFACE} -j MASQUERADE
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