Those who host their websites on Microsoft operating systems may wish to check out communityserver, a free ASP.NET website forum software package.
There's one important catch with phpBB, communityserver and other third-party software you use on your website: you need to keep an eye on the program's website and install any upgrades that are released to fix security problems. Please take this seriously -- do not allow your website to be wiped out by a malicious web "worm" that takes advantage of security holes in older versions of popular forum software.
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