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#6 Re: Are firewalls useful? Posted by Anonymous (62.180.xx.xx) on Wed 10 Oct 2007 at 10:32 I firewall is usefull for the most servers. think of an exploit in server Software, or same malicous code run by a webserver with php. I firewall would prevent hackers to connect to a port opened by a script or an exploit. Also it would prevent scripts from opening session to remote computers e.g. irc. So you just find a script trying to open a port (killing such a script will do most time), and not a rooted maschine.

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