From: Danny Rathjens <gmane@rathjens.org>
To: netfilter@lists.netfilter.org
Subject: Re: matching -d to a given interface without specifying ip address
Date: Wed, 06 Sep 2006 14:11:08 -0400 [thread overview]
Message-ID: <edn2vt$4dl$1@sea.gmane.org> (raw)
In-Reply-To: <44FD003D.7080509@nth.ca>
Dmitri wrote:
> The problem with specifying an IP is that it may change, which breaks
> the rules and requires an update (and detection as well). Event for a
> static IP, that's an extra dependency to watch out for.
That's what variables in your firewall script are for.
Just re-run it when your network connection restarts:
EXTIF="eth0"
EXTIP=`ifconfig $EXTIF |perl -ne'print $1 if /inet addr:([\d.]+)/'`
iptables -A INPUT -j ACCEPT -i $EXTIF -p tcp -d $EXTIP --dport 80
--
_.,-*~`^'~*-,._ Danny Rathjens _.,-*~`^'~*-,._
FireCast: Rock solid kiosk software: http://www.wirespring.com/
next prev parent reply other threads:[~2006-09-06 18:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-02 22:32 matching -d to a given interface without specifying ip address Dmitri
2006-09-04 5:05 ` Rob Sterenborg
2006-09-05 4:42 ` Dmitri
2006-09-05 4:43 ` Rob Sterenborg
2006-09-08 2:03 ` Dmitri
2006-09-06 18:11 ` Danny Rathjens [this message]
2006-09-08 1:42 ` Dmitri
2006-09-08 9:44 ` Pascal Hambourg
2006-09-08 9:26 ` Pascal Hambourg
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