Firewalls: Re: Linux as a Firewall Platform

Firewalls
(December 1996)

Indexed By Thread: [Previous] [Next]

Subject:	Re: Linux as a Firewall Platform
From:	Ambrose Li <acli @ www . mingpaoxpress . com>
Date:	Tue, 17 Dec 1996 11:10:46 -0500 (EST)
To:	Bernd Eckenfels <lists @ lina . inka . de>
Cc:	mark @ internetstartup . com, firewalls @ greatcircle . com
In-reply-to:	<m0vZoHd-0004ixC @ lina>

On Tue, 17 Dec 1996, Bernd Eckenfels wrote:

> Linus HAS security level. It is 'increase only' by writing to
> /proc/sys/kernel/securelevel. In secure level 1 immutable and append only
> flags can't be removed. Of course using hardware write protected media is
> even more secure.

How do I write to this file? I tried to write a 1 to it (as root), but
I get permission denied.

References:

Re: Linux as a Firewall Platform
From: lists @ lina . inka . de (Bernd Eckenfels)

Indexed By Date	Previous:	Re: Linux as a Firewall Platform From: peter @ baileynm . com (Peter da Silva)
Indexed By Date	Next:	Re: Linux as a Firewall Platform From: "Jamie Thain" <jthain @ cat . bbsr . edu>
Indexed By Thread	Previous:	Re: Linux as a Firewall Platform From: lists @ lina . inka . de (Bernd Eckenfels)
Indexed By Thread	Next:	Re: Linux as a Firewall Platform From: blymn @ awadi . com . au (Brett Lymn)