One thing you’ll probably run into sometime is changing the hostname and IP address of a cPanel machine.. whether you’re cloning it for a quick start or if you’ve taken it over.. moving it to a different datacenter, etc..
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You have CSF installed and use the GUI to do most things. (If you don’t have it installed yet, you can read our article on how to install csf). BUT – knowing the csf (ConfigServer Firewall) flags will help you to quickly get things done via command line – instead of loading up the GUI every single time.
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Yesterday, I wrote an article on how to block certain countries from your server using csf. This will block them from accessing your server on any port. You can, however use mod_geoip if you’d like to block them from accessing your web site(s). You might want to do this if the csf approach creates too many iptables rules for your server to handle. Continue Reading…
If you don’t have a need for certain international visitors to your Linux server, its easy to block them out! First, you’ll need to make sure that CSF is installed. You can follow our guide on installing csf to get this accomplished. Once that’s done, read on to block access from Russia, China, etc.. Continue Reading…
