Install xtables-addons-source by entering the following commands in the terminal:
sudo apt update sudo apt install xtables-addons-source
Description:
Extensions targets and matches for iptables [modules sources]
Xtables-addons provides extra modules for iptables not present in the kernel, and is the successor of patch-o-matic. Extensions includes new targets like TEE, TARPIT, CHAOS, or modules like geoip and account. . This package provides the source code for the xtables-addons kernel modules. The xtables-addons package is also required in order to make use of these modules. Kernel source or headers are required to compile these modules.
Homepage: http://xtables-addons.sourceforge.net/
Version: 3.0-0.1
Section: universe/admin