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

basic_radius_auth - Squid RADIUS authentication helper

basic_radius_auth -f config file
basic_radius_auth -h " server name " [-p port ] [-i identifier ] -w secret [-t timeout ]

basic_radius_auth allows Squid to connect to a RADIUS server to validate the user name and password of Basic HTTP authentication.

Specifies the path to a configuration file. See the CONFIGURATION section for details on the file content.
Alternative method of specifying the server to connect to
Specify another server port where the RADIUS server listens for requests if different from the default RADIUS port. Normally not specified.
Unique identifier identifying this Squid proxy to the RADIUS server. If not specified the IP address is used to identify the proxy.
Alternative method of specifying the shared secret. Using the -f option with a configuration file is generally more secure and recommended.
RADIUS request timeout. Default is 10 seconds.

The configuration specifies how the helper connects to RADIUS. The file contains a list of directives (one per line). Lines beginning with a # are ignored.

specifies the name or address of the RADIUS server to connect to.
specifies the shared RADIUS secret.
specifies what name the proxy should use to identify itself to the RADIUS server. This directive is optional.
Specifies the port number or service name where the helper should connect.
Specifies the RADIUS request timeout.

This program is written by Marc van Selm <> Henrik Nordstrom <>

With contributions from many others.

This manual was written by Henrik Nordstrom <>

* Copyright (C) 1996-2022 The Squid Software Foundation and contributors
* Squid software is distributed under GPLv2+ license and includes
* contributions from numerous individuals and organizations.
* Please see the COPYING and CONTRIBUTORS files for details.

This program and documentation is copyright to the authors named above.

Distributed under the GNU General Public License (GNU GPL) version 2 or later (GPLv2+).

Questions on the usage of this program can be sent to the Squid Users mailing list <>

Or contact your favorite RADIUS list/friend if the question is more related to RADIUS than Squid.

Bug reports need to be made in English. See for details of what you need to include with your bug report.

Report bugs or bug fixes using

Report serious security bugs to Squid Bugs <>

Report ideas for new improvements to the Squid Developers mailing list <>

squid(8), GPL(7),
RFC2058 - Remote Authentication Dial In User Service (RADIUS)
The Squid FAQ wiki
The Squid Configuration Manual

7 August 2004