Firewall and such

I was just wondering how to set up the firewall on my imac as i have no clue what to do. i was also wonderingin if there is a built in anti virus feature in OSX. thanks

Hi Daniel,
THe default firewall setttings in OSX are pretty good and there is a fair amount of information about using them in the in the Knowledgbase. Click on "advanced search" in the discussion menu bar above, enter "kmosx4 firewall" (without the quotes) in the first search field, and hit return.
THere are no "wild" viruses which affect OSX. You can install a vrus checker like http://www.clamxav.com/ if you wish (and there are commercial offerings from Nortons, Virex and Drive Genius, though in at least the first two cases they have caused more problems (lots) than they have solved (none) for Mac owners running OSX) . The only real reason to do so at present is if your computer is used as a server by unprotected windows machines and they are likely to download files from your email attachments folders.
The last actual Mac virus that I saw was in the mid 1990's. I've seen 4 (all contracted from floppies when students tried pirating software in an educational environment), since I began using macs in 1986. I generally receive more PC viruses than this EACH DAY.
Unless you really have to use a virus checker, because of employer IT service requirements or because your Mac is being used in the fashion descrbed above, you are really likely to be far, far safer without one, given the problems which they have, on occasion, caused in the past, at least until a virus which can genuinely affect OSX appears. We've been waiting for several years now!
Cheers
Rod

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