Tackling iptables

By Blane Warrene
We teamed up with SiteGround
To bring you up to 65% off web hosting, plus free access to the entire SitePoint Premium library (worth $99). Get SiteGround + SitePoint Premium Now

There are several elements to securing a Linux server – however – top on the list should be assembling and implementing a firewall. Fortunately Linux comes bearing the gift of a free and robust firewall in Netfilter/iptables.

My latest column runs through the essentials of configuring a basic firewall to allow for the exploration of how iptables can cater to the web administrator. As with any exercise – this how-to is not all inclusive and consideration should be given to any specific needs and security issues one might have on their own systems and networks.

That said – the firewall built in this article should serve as a good starting point for controlling access to your servers.

The most important and interesting stories in tech. Straight to your inbox, daily. Get Versioning.
We teamed up with SiteGround
To bring you up to 65% off web hosting, plus free access to the entire SitePoint Premium library (worth $99). Get SiteGround + SitePoint Premium Now
Login or Create Account to Comment
Login Create Account