Port Forwarding vs. Running Servers on Firewall

[Peter L. Peres]

Consider that the firewall severely limits the available ports to the
outside and that most exploits seem to rely on opening a shell or telnet
or whatever to the exploited machine on another port. This will not be
possible with a machine behind a proper firewall, which will deny the
'other' port. So whoever breaks in must be much smarter than average to
use his exploit.

Peter
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