From owner-freebsd-questions  Fri May 31 12:16: 8 2002
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Date: Fri, 31 May 2002 15:18:40 -0400
From: parv <parv@pair.com>
To: Patrick Thomas <root@utility.clubscholarship.com>
Cc: freebsd-questions@freebsd.org
Subject: Re: two ipfw questions...
Message-ID: <20020531191840.GA52186@moo.holy.cow>
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in message <20020531110825.I18408-100000@utility.clubscholarship.com>,
wrote Patrick Thomas thusly...
>
>
> 2) is there a way to take your current, running ruleset and dump it to a
> file that can be used as a standalone shell script to set the rules at
> boot time?
>
> For instance, if you `ipfw show` you get:
>
> 00100      7750      1619098 allow udp from any 53 to 10.10.10.10
>
> how can I output that to:
>
> ipfw add 00100 allow udp from any 53 to 10.10.10.10

based on your input & output, can be easily done via awk...

ipfw show | awk ' BEGIN { rule = "ipfw add" }
                  {
                     rule = rule" "$1
                     for (i = 4; i <= NF; i++)
                     { rule = rule" "$i }
                  }
                  END { print rule }'


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