Firewall really necessary?
eliott at cactuswax.net
Mon Apr 14 05:22:16 MSD 2008
On 4/12/08, dchapiesky at juno.com <dchapiesky at juno.com> wrote:
> 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...
pf, for instance, also has the ability to 'scrub' packets (normalize
them) before they are handed up to the rest of the stack.
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