Separating Authentication from your RADIUS Accounting server Many ISP networks and enterprise environments handle both Authentication and Accounting functions through the same RADIUS servers anddatabases. While this configuration works well for small and low-lo... Network Security Best Practices Network Security Protocols
DHCP enhancements in FreeRADIUS 3 for high performance As part of our contributions to the FreeRADIUS community, InkBridge Networkstook on the task of overhauling its DHCP support. The result is the same highly flexible and configurable DHCP server, but n... Network Security Protocols
Does FreeRADIUS include a DHCP server? We are happy to announce that FreeRADIUS 3 is now fully compliant with the base DHCP standards . Previous versions supported the base DORA exchange, but lacked some features such as handling Decline p... Network Security Protocols
RADIUS Insecurity RADIUS is almost thirty years old, and uses cryptography based on MD5. Given that MD5 has been broken for over a decade, what are the implications for RADIUS? Why is RADIUS still using MD5? RADIUS sti... Network Security Protocols
Announcing SRADIUS RADIUS has used MD5 for security for almost thirty years. It is time to use a modern alternative: SRADIUS! We just released an Internet-Draft which defines “Secure RADIUS”, or “SRADIUS”. We also have ... Network Security Protocols
Introducing RADIUS 1.1 RADIUS has a problem. The name of the problem is MD5. The MD5 hash algorithm was defined in 1991, and was used in RADIUS in 1993. However, MD5 is no longer secure. It is a bit of a miracle that RADIUS... Network Security Best Practices Network Security Protocols
Why you should separate historical data from live data ISPs and telecoms are often legally required to keep user sessiondata for long periods of time. However, keeping these records can result in enormous databases tables which significantlyaffect the per... Network Security Best Practices Network Security Protocols
Making RADIUS More Secure As we’ve previously discussed, there are several insecure elements in RADIUS. We are currently working in the IETF (Internet Engineering Task Force) to close those gaps and improve security for everyo... Network Security Protocols
How to customize an OEM instance of FreeRADIUS As the most popular RADIUS server in the world, FreeRADIUS is used by many hardware vendors. They ship their products with FreeRADIUS as an embedded or “OEM” product. It is common for them to need som... Network Security Protocols
Expert Advice Beats Internet Wisdom: What Not To Do About BlastRADIUS There’s a lot of misinformation circulating about the BlastRADIUS vulnerability. For us, as RADIUS experts, it’s a depressing reminder of how little people understand about this foundational protocol ... Network Security Best Practices Network Security Protocols Security Threats and Vulnerabilities
RADIUS protocol and password compatibility In order for RADIUS authentication to work, user passwords need to be stored in a format that is understood by the authentication protocol used by the client. Unfortunately, not all protocols work wit... Network Security Best Practices Network Security Protocols
How authentication protocols work Choosing an authentication protocol is one of the most important decisions when designing a RADIUS ecosystem. There are a variety of authentication protocols to choose from, each with their own set of... Network Security Protocols