Hello guys i know it is not the first time that has been asked but it will be more personal and easier to track if i create a new post...

I need help with proctecting my sever for webhosting services i have a couple of problems and the things i have done already so im going to list them in order



#1 SPAM & Spamers- How do i protect my self against it and how to check my log for users that might be doing it

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#2 Logs - I get my logs everyday but i really dont know wut to look out for.... what are the main things i should try to find , etc

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#3 APF (Advanced Policy Firewall) - i have installed it and im currently running this settings

"# Common ingress (inbound) TCP ports
IG_TCP_CPORTS="20,21,22,25,53,80,110,143,443,465,
993,995,2082,2083,2086,2087,2095,2096,3306,
10000,35000_35999"
Please note that ports 2082 to port 2095 is mostly used by cpanel, and port 19638 is only use in ensim.

# Common ingress (inbound) UDP ports
IG_UDP_CPORTS="20,21,53,1040"

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#4 BFD (Brute Force Detection) - installed

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#5 Secure /tmp Directory - Done

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anyother services , tweaks , mods , etc that you think i should do to my server to have it ready for hosting will be appreciated , i have not started hosting any sites besides mine do to the fact that theres more to webhosting than to just get a server with cpanel and start a so called business .... thanks in advance any help will be very helpfull

Maybe you should read up on

http://www.webhostgear.com/cid_6.html
and
http://www.eth0.us

See if you miss out anything.