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Re: Port blocking last resort in fight against virus

  • From: Måns Nilsson
  • Date: Wed Aug 13 04:19:47 2003

--On Wednesday, August 13, 2003 11:00:56 +0300 Petri Helenius
<pete@he.iki.fi> wrote:

>>> I think filters/firewalls are useful.  I believe every computer should
>>> have one.  

> Firewalls are a patch to broken network application architechture. If
> your applications would have been properly designed, you would not have
> the need for firewalls. They are for perimeter defence only anyway.

The important wording here is "every computer should have one"; indicating
that it is the host that protects itself. This said, I do agree that
properly written operating systems not even need this. One free Unix-clone
I happen to run manages to reach this level of properness; so it is
definitely possible. 

-- 
Måns Nilsson            Systems Specialist
+46 70 681 7204         KTHNOC  MN1334-RIPE

We're sysadmins. To us, data is a protocol-overhead.

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