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Special Forums IP Networking Configuring Linux as a firewall Post 302393466 by pludi on Tuesday 9th of February 2010 01:07:59 AM
Old 02-09-2010
Another one would be Coyote Linux. And you're still confusing technologies. RADIUS (and by deduction, FreeRADIUS) have nothing to do with how a firewall works.

What you want is a firewall (only allow connections from certain IPs to certain ports) / gateway (communicate between different networks and allow a certain amount of connections between them).

You would need RADIUS if you'd have a modem/DSL pool, which your customers/employees use to connect to you and you'd want to authenticate them. While the two technologies are often used together, they're doing two different things.
 

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squid_radius_auth(8)					      System Manager's Manual					      squid_radius_auth(8)

NAME
squid_radius_auth - Squid RADIUS authentication helper SYNOPSIS
squid_radius_auth -f configfile squid_radius_auth -h "server" [-p port] [-i identifier] -w secret DESCRIPTION
This helper allows Squid to connect to a RADIUS server to validate the user name and password of Basic HTTP authentication. -f configfile Specifies the path to a configuration file. See the CONFIGURATION section for details. -h server Alternative method of specifying the server to connect to -p port Specify another server port where the RADIUS server listens for requests if different from the default RADIUS port. Normally not specified. -i identifier Unique identifier identifying this Squid proxy to the RADIUS server. If not specified the IP address is used as to identify the proxy. -w secret Alternative method of specifying the shared secret. Using the configuration file is generally more secure and recommended. -t timeout RADIUS request timeout. Default 10 seconds. CONFIGURATION
The configuration specifies how the helper connects to RADIUS. The file contains a list of directives (one per line). Lines beginning with a # is ignored. server radiusserver specifies the name or address of the RADIUS server to connect to. secret somesecretstring specifies the shared RADIUS secret. identifier nameofserver specifies what the proxy should identify itsels as to the RADIUS server. This directive is optional. port portnumber Specifies the port number or service name where the helper should connect. AUTHOR
This manual page was written by Henrik Nordstrom <hno@squid-cache.org> squid_radius_auth is written by Marc van Selm <selm@cistron.nl> with contributions from Henrik Nordstrom <hno@squid-cache.org> and many others QUESTIONS
Any questions on usage can be sent to Squid Users <squid-users@squid-cache.org>, or to your favorite RADIUS list/friend if the question is more related to RADIUS than Squid. REPORTING BUGS
Report bugs or bug-fixes to Squid Bugs <squid-bugs@squid-cache.org> or ideas for new improvements to Squid Developers <squid-dev@squid- cache.org> SEE ALSO
RFC2058 - Remote Authentication Dial In User Service (RADIUS) Squid RADIUS Auth 7 August 2004 squid_radius_auth(8)
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