full-disclosure - closing ports

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Message-ID: <200311070054.26451.chill@herber-hill.com>
From: chill at herber-hill.com (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
http://www.herber-hill.com/