March 2003
Intermediate to advanced
308 pages
9h 36m
English
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FreeRadius
The FreeRadius server project (http://www.freeradius.org/) is the implementation of the Remote Authentication Dial-In User Service (RADIUS) protocol used by many corporations and Internet service providers to authenticate users connecting from remote locations. Complete coverage of FreeRadius or RADIUS servers goes beyond the scope this chapter. RFC 2865 explains the details of the protocol. For a more practical look at RADIUS, you should refer to the FreeRadius web site as well as RADIUS, by Jonathon Hassel (O’Reilly).
The FreeRadius server daemon, radiusd , can use an LDAP directory in two different ways. First, it can use LDAP as a data store for RADIUS attribute values. RADIUS attributes are defined by the RADIUS protocol and should not be confused with LDAP attributes.[4] The only similarity between the two types of attributes is that both have names and are used to store values. The FreeRadius administrator defines the mapping between RADIUS attributes and the LDAP attributes used to represent them. We’ll look at the configuration details after we have compiled a working RADIUS server. The second option is to use the directory as an authentication service by binding to the LDAP server on behalf of a user. In this way, radiusd can determine whether to accept or reject incoming connection requests.
In the 0.8 release, the rlm_ldap module used by radiusd to access a directory is included in a default installation. No additional flags are required to enable LDAP support ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.