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... FreeRADIUS Technical Guides
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... FreeRADIUS Technical Guides
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 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... Enterprises Security Threats and Vulnerabilities
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 ... Education
Enterprise ransomware prevention starts with network authentication When properly implemented, network authentication can serve as a powerful barrier against ransomware attacks, stopping bad actors before they gain the initial foothold they need. In 2024, the number o... Enterprises Security Threats and Vulnerabilities
How to connect FreeRADIUS to Active Directory for authentication Active Directory is widely used in the enterprise and university systems. This article describes how to connect FreeRADIUS with Active Directory, allowing you toauthenticate users against your existin... Enterprises FreeRADIUS Technical Guides
Database design principles for RADIUS systems Database design is often overlooked as a critical element of a RADIUS ecosystem. In practice, when we work with our clients, we usually spend the bulk of our time optimizing the database architecture.... Internet Service Providers Network Architecture
Using FreeRADIUS with FIPS mode on compliant systems In order to create more secure systems, standards such as Federal Information Processing Standard 140-2 ( FIPS-140) are being more widely used. The FIPS standard provides for limits on which cryptogra... Enterprises FreeRADIUS Technical Guides
Preventing fraudulent logins with a session database In today's enterprise computer networks, credential sharing is a big problem for ISPs and companies with multiple locations. When an ISP runs RADIUS servers across different sites , new attack vectors... Internet Service Providers Network Architecture
How to set up a wireless RADIUS server for secure Wi-Fi authentication When setting up a Wi-Fi network at home, you typically set up an SSID and password, accept the defaults for any other options, and be done with it. (In some cases, these are done for you by your servi... Enterprises FreeRADIUS Technical Guides
Network design for multi-site RADIUS systems Some organizations and network operators such as ISPs can use a central RADIUS service for all of their RADIUS needs. This configuration is possible when there are a small number of users, or system l... Internet Service Providers Network Architecture