RE: Firewalls
I am just using the Windows firewall, as well, with a router. I figure that is two levels of protection, which should be adequate.
I used Norton Internet Security for a while, but found it to slow things down, and I am pretty sure that it was, at least partially, the cause of some random crashes I was experiencing. I replaced Norton IS with the Windows firewall and AVG's free virus software, and things run quite a bit better now.
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