Date: Wed, 19 Mar 2008 13:47:53 -0700 From: Julian Elischer <julian@elischer.org> To: Freddie Cash <fjwcash@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: "established" on { tcp or udp } rules Message-ID: <47E17BF9.1030403@elischer.org> In-Reply-To: <200803191334.54510.fjwcash@gmail.com> References: <200803191334.54510.fjwcash@gmail.com>
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Freddie Cash wrote: > Just curious if the following rule will work correctly. It is accepted by > the ipfw command. In the process of working out a test for it, but > thought I'd ask here as well, just to be sure. > > ipfw add { tcp or udp } from me to any 53 out xmit fxp0 > ipfw add { tcp or udp } from any 53 to me in recv fxp0 established > > Will the UDP packets go through correctly, even though "established" has > no meaning for UDP streams, and the ipfw command will barf if you use it > with just "ipfw add udp" rules? > well, an action to do would be good.. as for the question of whether UDP ... established evaluates to true or false, I would guess false but you'll have to test.
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