CWSP Certified Wireless Security Professional Study Guide by David D. Coleman

Author:David D. Coleman
Language: eng
Format: epub
ISBN: 9781119211099
Publisher: Wiley
Published: 2016-09-07T00:00:00+00:00

RadSec

The RADIUS protocol depends on the unreliable transport protocol UDP using port 1812 and has some potential security weaknesses. RADIUS is based on the MD5 algorithm, which has been proven to be insecure. Therefore, the IETF RFC 6614 defines Transport Layer Security (TLS) for RADIUS. The defined protocol is often called RadSec or RADIUS over TLS. RadSec is the next-generation RADIUS transport that relies on TCP and TLS for reliable and secure transport with integrity verification.

The main focus of RadSec is to provide a means of securing the communication between RADIUS/TCP peers using TLS encryption. The default destination port number for RadSec is TCP/2083. Authentication, accounting, and dynamic authorization changes do not require separate ports. RadSec can be used for RADIUS packets that traverse through different administrative domains and networks. The academia roaming access service, eduroam, has already begun to use RadSec globally.

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