He has no firewall (like me) as he's saying a firewall is nothing good
and not usefull but there's an open X11 server available in the
internet.

A firewall is one of the best things you can have and should always run.

Isn't this vulnerable without a firewall ?
Yes. Both of you should setup iptables with a minimal set that either denys certain ports, or better yet, blocks-all and only allows-specified.






[EMAIL PROTECTED] wrote:

Hi,

this is the nmap -sT scan from a friend:

nmap -sT internet_address

Port     State          Service
25/tcp   filtered        smtp
46/tcp   open            mpm-snd
80/tcp   filtered       http
119/tcp  open           nntp
445/tcp  filtered       microsoft-ds
1080/tcp filtered       socks
6000/tcp open           X11
6346/tcp open           gnutella

He has no firewall (like me) as he's saying a firewall is nothing good
and not usefull but there's an open X11 server available in the
internet.

Isn't this vulnerable without a firewall ?



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Nate Sanders                  [EMAIL PROTECTED]
Associate Systems Manager     (612) 624 - 4353
          http://www.ima.umn.edu/
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Institute for Mathematics and its Applications
University of Minnesota
400 Lind Hall, 207 Church St. SE
Minneapolis, MN 55455-0463
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