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freeRadius

The freeRadius.org Open Source Project.

FreeRadius.org is a project which provides RADIUS authentication for the web.

FreeRadius provides an extension module for use with Apache. The single .c source file needs to be compiled with Apache's apxs utility to compile it into the HTTP daemon. Compiling, installing and configuring the module did not pose much of a problem:

Now we return to Apache's httpd.conf file to make a few more changes and additions:

You can determine if this setup has worked when you visit your web site in the folder called "secure." You should see something like this:

Figure 1 - freeRadius Login Dialog Box

An elusive error with the Apache-Subversion-Radius configuration resulted in weeks of trial and error testing. Source codes were sifted through and I attempted to debug an error which caused an authenticated Subversion Location directive result in nothing but 404 errors. Putting together the two different directives from Basic Subversion and the Radius Configuration result in:

Although it seems simple enough, the DAV logic in the Subversion module didn't seem to like being authenticated. A few weeks later, a breakthrough! A very wise person on the Apache HTTPD Mailing-List shared an invaluable piece of advice.

Apparently, commenting out a few lines of code solve the problem completely. Finally, Subversion was running on a web server with Radius authentication on the existing infrastructure!

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