Web Hosting Tutorials

Installing and Configuring APF Firewall on Linux Server

Posted on November 26th, 2006 by Admin.
Categories: Server Security, Linux.

cd /usr/local/src
wget http://rfxnetworks.com/downloads/apf-current.tar.gz
tar -zxf apf-current.tar.gz
cd apf-0.*
./install.sh

Now edit config file
vi /etc/apf/conf.apf

Scroll down to the “Common ingress (inbound) TCP ports section. At this point you need to find the correct configuration for your control panel.

IG_TCP_CPORTS=”20,21,22,25,26,53,80,110,143,443,465,993,995,2082,2083,2086,2087,2095,2096″
IG_UDP_CPORTS=”21,53,873″

EGF=”1″
EG_TCP_CPORTS=”21,22,25,26,27,37,43,53,80,110,113,443,465,873,2089″
EG_UDP_CPORTS=”20,21,37,53,873″

save the file
start apf
apf -s

If everything still works then edit the config file and turn dev mode off. Make sure you can start a new ssh session before changing dev mode off. If you are kicked out you need to go back and look at what caused the problem!
DEVEL_MODE=”0″

restart APF
apf -r

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