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Re: Default Forwarding Policies

daemon@ATHENA.MIT.EDU (lilo)
Mon Jul 1 23:46:45 1996

From: lilo <TaRDiS@mail.utexas.edu>
Date: 	Mon, 1 Jul 1996 17:54:11 -0500 (CDT)
To: Linux Net Mailing List <linux-net@vger.rutgers.edu>
In-Reply-To: <199607011508.IAA02940@dandelion.com>

On Mon, 1 Jul 1996, Leonard N. Zubkoff wrote:

>   About the window during the boot phase: as long as you put the
>   ipfwadm commands _before_ the ifconfig commands (which is possible,
>   even using device names, etc.), there is no serious risk (except when
>   ipfwadm crashes, but even that could be catched by checking the
>   default policy before doing the ifconfig commands).
> 
> Good point.  I didn't realize it was legal to install the firewall rules before
> ifconfig was executed.

Eeps, sorry.  Good point.  It's also helpful that when you flush a set of
rules, it doesn't flush the default setting.


lilo



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