Date: Thu, 7 Jun 2001 16:22:38 -0500 (CDT) From: Nick Rogness <nick@rogness.net> To: Ryan Thompson <ryan@sasknow.com> Cc: Josh Thomas <jdt2101@ksu.edu>, freebsd-questions@FreeBSD.ORG Subject: Re: IPFW rules and outward connections Message-ID: <Pine.BSF.4.21.0106071617590.10693-100000@cody.jharris.com> In-Reply-To: <Pine.BSF.4.21.0106071349220.67902-100000@ren.sasknow.com>
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On Thu, 7 Jun 2001, Ryan Thompson wrote:
> Josh Thomas wrote to freebsd-questions@FreeBSD.ORG:
>
> > I am looking to set up a firewall to be closed to all incoming >
> connections except for 20-22 (for ftp and ssh), and to allow all >
> outward connections. However, I'm having trouble specifically keeping
> > the dynamically assigned ports above 1024 for normal usage open.
> ie, > http from other machines, ftp from other machines.
>
[snip]
>
> # OR, only allow connections to remote ports 1024-9999
> ipfw 1000 allow ip from ${network} to any 1024-9999
^^
You need to be protocol specific, eg tcp,udp
in order to specify ports or port ranges...unless that has
changed.
Nick Rogness <nick@rogness.net>
- Keep on Routing in a Free World...
"FreeBSD: The Power to Serve!"
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