On 13/05/11 12:08, [email protected] wrote:
Hi Dave, As a general rule, yes.
I think 10.04 and later came with the ufw firewall enabled by default, but don't quote me on that. I use Shoreline Firewall, a.k.a. shorewall [1]. It strikes a great balance between ease of use and maximum customisation, IMO. But i've been using it for 10 years or so, so my knowledge of other firewalls is very limited. Shorewall's documentation is awesome - you can learn a lot about Linux networking and even networking in general, by reading through it in detail.
I run my own mail server and it uses amavisd-new, spamassassin, and clamav to filter messages. Clamav is the part that does the virus scanning. I used the howto at [2], for what it's worth. If you don't run or want to run your own mail server, it will be pretty much irrelevant. Also, it's a little old now - some parts may have changed.
It's definitely less necessary, but "defence in depth" is a good practice as far as i'm concerned, and i prefer not to be the low-hanging fruit for the bad guys. ;-) Regards, Paul [1] http://shorewall.net/ [2] http://www.fatofthelan.com/technical/how-to-install-postfix-dovecot-amavis-clamav-and-spamassassin-etch/ |
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