ferm software package provides maintain and setup complicated firewall rules, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ferm
ferm is installed in your system.
Make ensure the ferm package were installed using the commands given below,
$ sudo dpkg-query -l | grep ferm *
You will get with ferm package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Network |
| Package | ferm |
| Version | 2.1-5 |
| Description | maintain and setup complicated firewall rules |
| Sub Section | Net |
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