Firewall really necessary?

[dchapiesky at juno.com]

In my humble opinion...
It is always best to have a firewall between you and the outside world.  In some circumstances, two firewalls back to back is even better (make sure the two are from different manufacturers...)
The folks at http://www.metasploit.com/ work on tools which exploit open ports and even with so few ports available, your system could be used as a "zombie" tool by malicious people.
So, put a firewall in, or install some kind of syslog filter/analyser which will at least notify you of weird things going on...
Daniel

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