Configuring FreeRADIUS authentication with PAP (Password Authentication Protocol) Introduction to PAP authentication Password Authentication Protocol (PAP) is one of the most fundamental authentication methods used in Remote Authentication Dial-In User Service (RADIUS). Despite bei... Network Security Best Practices Network Security Protocols
The FreeRADIUS Auth-Type attribute The FreeRADIUS Auth-Type attribute is often misunderstood and misused. There are actually very few situations where this attribute should be manipulated at all. Rule 1: Don’t use the Auth-Type attribu... Network Security Best Practices
Creating server certificates for FreeRADIUS Once the initial EAP testing has been performed, it's time to create the production-grade server certificates for your FreeRADIUS environment. These certificates form the foundation of secure communic... Network Security Best Practices
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
My FreeRADIUS server is slow. What's wrong? If you are encountering performance issues with FreeRADIUS, the first thought is usually to blame FreeRADIUS. In fact, it’s always the database which is the source of a system slowdown . Well, maybe n... 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