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From: chill at (Charles E. Hill)
Subject: closing ports

On Thursday 06 November 2003 23:50, Christ-Henning Ljosheim wrote:
> Hi
> I am new in this group (from Norway)
> Do you have any tips for which ports I should close to held my network
> clean for intruders ? I've closed port 1214 and 6881 to 6889 . Anyone else
> I should close ?
> Chris

You're thinking about it backwards.  Close EVERYTHING, then make a list of the 
ones you need to OPEN.

It depends on what services you provide to the outside world as to which ports 
you will open.
Charles E. Hill
Technical Director
Herber-Hill LLC

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