Great Circle Associates Firewalls
(November 1997)
 

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Subject: Re: FireWall Questions.
From: Oliver Lau <lau @ skp . de>
Date: Wed, 26 Nov 1997 18:39:14 +0100
To: <fygrave @ usa . net>
Cc: <firewalls @ greatcircle . com>
In-reply-to: <Pine . LNX . 3 . 91 . 971126140220 . 9337V-100000 @ freenet . bishkek . su>
References: <Pine . LNX . 3 . 91 . 971126140220 . 9337V-100000 @ freenet . bishkek . su>

Greetings!

On Wed, 26 Nov 1997 14:08:50 +0600 (GMT+0500)
Fyodor <fygrave @
 freenet .
 bishkek .
 su> wrote:
|   Anyone could tell me what are that mistery rules,and which is:
| default 4
|   and how the IP routing is done there.
|   (i know it drops packets sent from some certain devices, while forward 
|  others, I thought first, ipfwadm was used, but it sets another things in 
|  those proc files. Plus i didn't find it started anywhere.
|   ANy ideas?

Do you have compiled your kernel with IP_FIREWALL_ENABLE? Without this
setting ipfwadm won't work. AFAIK no other firewalling facility than
ipfwadm comes freely with any Linux distribution.

For further help you should consult the manual pages:

	man ipfwadm
	man ipfw




Hope that helps!


Regards,
Oliver Lau
[CTO]
Sauer und Partner GmbH, NetzwerkTechnologie und Sicherheit
Dietrich-Bonhoeffer-Strasse 1-3, 35037 Marburg, Germany
fon: +49 6421 938300, fax: +49 6421 938390, URL: http://www.skp.de/
PGP-Fingerprint: 6696 C8B6 F351 A381  D1C9 BC41 98F2 6DE3


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