I just installed APF Firewall on my Linux system, but when I try and run it it tells me that it couldn't load because it couldn't load the IP Tables module or something. I used a tutorial on how to secure a cPanel Linux server on this forum.
Are you using a compiled kernel? if yes try recompile your kernel by enabling all the ipTables modules..
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If you are using Virtuozzo, you need to ask your provider which IPtables modules are enabled. By default very few modules are enabled. It is also possible that they have configured the firewall from their end. So you may not even need to run a firewall. It's best to check with your provider.
Well, I asked them a few questions but I only found out that my kernal is 2.4.x and that there is no firewall. I asked them about compiling the kernal and enabling modules but they said it couldn't be done. Then I told them that you guys on WHT recommended it and they said it would be forwared to the admin or something. I don't think they'll actually do that, so I think I'll have to try and do it (I'm a Linux newbie ).
it's best to keep it at 1 until you've finished messing - otherwise you can loclk yourself out - worth remembering to always keep at least one ssh window open when messing with firewalls!
if this modification hasn't resulted in anything being added to your iptables, and if the earlier suggestion of setting monokern to 1 doesn't work then the next thing to do is to check what the name of your interface is - i think conf.apf says eth0 or similar, where yours may be venet0 - check the output of ifconfig..
I was just told that IP Tables isn't really supported in UML which I was using. I think I stated earlier I was using Virtuozzo, but I was confused with my other VPS. Is there a way around this or will I have to find another firewall?