[Shorewall-users] UDP ports

Tom Eastep teastep@shorewall.net
Wed, 17 Apr 2002 09:00:18 -0700 (PDT)

On Wed, 17 Apr 2002, Simon Turvey wrote:

> A scan of my system from a friend's box has shown all my UDP ports to be
> open.  Is this the default configuration for Shorewall and if it is, why?

Read the documentation of nmap CAREFULLY. If nmap does not get a "port 
unreachable" icmp response, then it reports the port open -- in 
particular, if it gets NO REPONSE it reports the port as open.

Tom Eastep    \ Shorewall - iptables made easy
AIM: tmeastep  \ http://www.shorewall.net
ICQ: #60745924  \ teastep@shorewall.net