Turtle Firewall is an open source firewall
program written in Perl
that supports Linux kernel 2.4.x and its iptables utility.
Turtle Firewall uses a conservative security
approach. Connections are by default set as initially forbidden until the user or administrator
defines the rule set (or policy) for which connections are to be allowed. Two policies must be
defined for each connection, one for the outgoing packets and the other for the
incoming packets. A list of active rules can be viewed at any time. The process of defining
connection policies is straightforward. Turtle Firewall employs a graphical user interface (GUI) known as Webmin that is
suitable for novices as well as for advanced users. It is also possible to edit the code directly
in order to define the connection policies.
Turtle Firewall was written by Andrea Frigido of Frisoft, and is available under the GNU Public
License (GPL).
This was last updated in November 2005
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