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Tool to set up and maintain firewalls

ferm is a tool to maintain and setup complicated firewall rules. It helps reduce the tedious task of carefully inserting rules and chains, so the firewall administrator can spend more time on developing good rules, and less time on the implementation of those rules. The preferred kernel interface, such as ipchains and iptables, executes these rules in one pass. They can also be split into different files and loaded at will.


Man page included and available in HTML format from http://ferm.foo-projects.org/ferm.html

Related Projects



Verified by

Verified on


Verified by

Janet Casey

Verified on

2 May 2001

Leaders and contributors

Auke Kok Maintainer
Daniel R. Bidwell Contributor
John Auer Contributor
Klaus lichtenwalder Contributor
Yannick Le Briquer Contributor

Resources and communication

AudienceResource typeURI
DeveloperVCS Repository Webviewhttp://svn.foo-projects.org/svn/ferm/
Bug Tracking,Developer,SupportE-mailmailto:auke.kok@planet.nl
Debian (Ref)https://tracker.debian.org/pkg/ferm

Software prerequisites

Required to usekernel firewall program (ipchains/iptables/ipfwadm)
Required to usePerl 5

This entry (in part or in whole) was last reviewed on 13 February 2018.


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