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
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... Network Security Best Practices Network Security Protocols
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... 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
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
Network authentication protocols: compatibility between systems and methods In many network configurations, there will be some transactions for which the RADIUS server will not perform the authentication itself, but simply pass credentials to a third-party system and rely on ... Network Security Protocols
Authorization: Authorized personnel only The first article in our series described the authentication process, whereby the RADIUS server prevents unauthorized users from accessing the system. In today’s article, we’ll examine the second link...
How to configure a RADIUS server Even though clients may prefer to configure their own system, some clients are unsure of how to configure a RADIUS server. Although the process can be complex, clients can learn how to setup a RADIUS ... Network Security Best Practices
Client Case Study: 802.1X implementation When months of 802.1X implementation attempts failed, we diagnosed firmware bugs and leveraged vendor relationships to deliver a working solution. One of our clients had customer-visible issues in the... Network Security Best Practices