Stop using these outdated Linux commands before they cause problems
November 12, 2025
Linux is constantly evolving, and with it the tools that its fans use on a daily basis. However, some of the classics such as iptables , which has been replaced by nftables , are now not only outdated, but also potentially insecure or inefficient.
Yet they are still referenced in many Linux books and on numerous websites. This tempts users to continue using them.
In this article, we present the…