Great Circle Associates Firewalls
(July 1997)
 

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Subject: Re: standard policy on fw-1
From: Roger Young <youngr @ erinet . com>
Date: Thu, 24 Jul 1997 22:41:21 -0400
To: Swee-Chuan Khoo <sckhoo @ asiapac . net>
Cc: Firewalls @ GreatCircle . COM
References: <Pine . SOL . 3 . 96 . 970724222334 . 12610C-100000 @ topgun>
Reply-to: youngr @ erinet . com

Swee-Chuan,

Your scenario indicates that the firewall would be the default gateway
for internal machines. I would add to your question what the advantages
would be of including an internal router ahead of your inside network.

We have a case where a department wants to connect the internal network
side of the their firewall directly to a etherswitch rather than an
internal router:

<ISP><External Router><firewall><etherswitch><internal network segments>

I am curious if anyone on the list sees a problem of not having an
internal router in your scenario or of going from the firewall directly
into an etherswitch. 

Thanks, Roger

Swee-Chuan Khoo wrote:
> 
> hi,
> 
>         is there a standard policy on fw-1 with standard network
> setup like the following.
> 
>         Internet <--> router <--> fw-1 <--> internal lan
> 
>         thanx
> 
> ----------------------------------------------------------------
> Swee-Chuan Khoo         sckhoo @
 asiapac .
 net
> System Administrator - Internet Evangelist
> http://www.asiapac.net/~sckhoo/      #include <std.disclaimner>
> ----------------------------------------------------------------
> Astronimical Soc M'sia http://www.asiapac.net/~sckhoo/asm.html
> 
> "Simplify - There is no value in complexity, it's too difficult to
> manage."


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