Configuring EAP for FreeRADIUS Once FreeRADIUS has been configured to use PAP , it is straightforward to configure the server to use EAP for authentication. This article will walk through all the necessary steps. Step 1: Install Op... Network Security Best Practices
Common EAP configuration problems and how to fix them If you have followed the steps for configuring EAP and are encountering problems, there are only a few things that go wrong. This article goes through the most common issues and how to fix them. Serve... Network Security Best Practices
Command line testing for EAP with FreeRADIUS As part of the process of configuring EAP for FreeRADIUS , you will need to test whether or not it works. If you prefer to use a command line tool rather than clicking through windows, this article wa... Network Security Best Practices
Common FreeRADIUS debug messages If you’re just getting started with FreeRADIUS, it can sometimes seem overwhelming when you run into problems. To the beginner, FreeRADIUS looks complex, but the debug troubleshooting information help... Network Security Best Practices Network Security Protocols
How one-time passwords work One-time passwords (OTP) and multi-factor authentication (MFA) are important mechanisms used to improve security. Both these strategies can combine the username and password credentials with a one-tim... Network Security Best Practices Network Security Protocols
Is NTLM secure? While Active Directory is widely used, it has still uses insecure protocols such as NTLM. The important question many people ask is “Does turning off NTLM increase security”? The answer is “maybe”, or... Network Security Best Practices Network Security Protocols Security Threats and Vulnerabilities
FreeRADIUS hardware requirements A common question for people installing the server is “what are the hardware requirements for FreeRADIUS?” The answer is both simpler, and more complex than you would think. The performance of a RADIU... Network Security Best Practices
RADIUS for Universities University environments present challenges for RADIUS system design. Every hour, on the hour, thousands of students close their laptops, move to a different location, and open them again. This unique ... Network Security Best Practices
The problem with RADIUS in the cloud The promise of cloud-hosted infrastructure sounds tempting. Someone else manages yourdatabase, you pay only for what you need, you may have better data security, and the database can scale up with you... Network Security Best Practices
Email addresses are primary user identifiers? There is a lot of advice out there that email addresses are not identifiers . Even Internet2 has a document explaining why email is not an appropriate user identifier . What does this mean for RADIUS,... Network Security Best Practices
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
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