From: "David Leangen" <dleangen@canada.com>
To: netfilter@lists.netfilter.org
Subject: RE: Confirm: letting certain packages pass through un-natted
Date: Tue, 27 Sep 2005 07:44:01 +0900 [thread overview]
Message-ID: <NEBBKBPLMLNABNADCIPAIEDLBHAB.dleangen@canada.com> (raw)
In-Reply-To: <4337C0C6.5040606@rdc.pl>
Hello!
> > -A PREROUTING -s 192.168.0.0/16 -d 192.168.1.1 -j ACCEPT
> >
> > Shouldn't all packets, including ICMP packets, get passed through to
> > 192.168.1.1 if originating from the local network?
>
> Not necesarily.
> Even if you pass the packet in nat table, you still might drop it in
> filter table. I know the ACCEPT target may be used in every (?) table,
> but it's a matter of good practice to filter packets in filter tables
> and nat in nat tables and so on. So I would suggest moving this from nat
> table to filter table and from PREROUTING to FORWARD.
Good point... I'll do just that. Thanks!!
BTW, where can I find out more about "good practices"?
next prev parent reply other threads:[~2005-09-26 22:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-26 7:37 Confirm: letting certain packages pass through un-natted David Leangen
2005-09-26 7:51 ` Rob Sterenborg
2005-09-27 0:17 ` David Leangen
2005-09-27 9:15 ` Rob Sterenborg
2005-09-26 9:35 ` Mariusz Kruk
2005-09-26 22:44 ` David Leangen [this message]
2005-09-27 2:07 ` David Leangen
2005-09-27 8:55 ` Jörg Harmuth
2005-09-29 4:43 ` David Leangen
[not found] ` <433BDBE3.5010605@mnemon.de>
2005-10-03 4:51 ` David Leangen
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