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#5 Re: Are firewalls useful? Posted by m_ (77.132.xx.xx) on Wed 10 Oct 2007 at 10:21 i think your approach leads to the right direction -- it's really important to make sure that you only run services that you really need. from that perspective there's nothing a firewall could protect. one could argue, a misconfigured firewall would probably make things worse. on the other hand, there are a lot of scenarios where firewalls are useful and necessary. and even if you know you don't need it, if it's configured thoughtfully, it won't hurt either, but become something like an additional security insurance (and i guess you won't argue "i don't need health insurance because i never broke my leg before"). so, my opinion in one sentence: a firewall is very helpful, but you must configure it properly, and having an eye on all runnig services in the first place will indeed give you much more security.

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