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FreeRADIUS Beginner's Guide by Dirk van der Walt

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Time for action – hashing our password

We will replace the Cleartext-Password AVP in the users file with a more secure hashed password AVP in this section.

There seems to be a general confusion on how the hashed password should be created and presented. We will help you clarify this issue in order to produce working hashes for each format.

A valuable URL to assist us with the hashes is the OpenLDAP FAQ:

http://www.openldap.org/faq/data/cache/419.html

There are a few sections that show how to create different types of password hashes. We can adapt this for our own use in FreeRADIUS.

Crypt-Password

Crypt password hashes have their origins in Unix computing. Stronger hashing methods are preferred over crypt, although crypt is still widely used.

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