[CentOS] securing centos 5.2 for public usage

Roland RoLaNd r_o_l_a_n_d at hotmail.com
Sat Sep 18 06:08:36 EDT 2010

Dear all,

i Just finished setting up an apache service on a centos 5.2 VM machine.

i need to secure this machine as i'm soon to be setting a public IP over it where i'd be opening up the following services:

1. http
2. https
3. ssh

Things i've done so far:

1. stopped root ssh access in sshd.conf
2. tried configuring PAM so i get a more secure ssh passwords (dictionary wise) as well as tried setting up a 2 times authentication failure for the account to be disabled for 12 hours (i couldnl't succeed in setting this up)
3. disabled port forwarding (to deny outsiders to tunnel through the server inside my network) couldn't succeed with this either.

Any help or advice would be greatly appreciated..


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