Every programmer should understand how the Internet works and this means understanding IP addressing and routing. It's a good time to find out about such things with DOS attacks on the rise and IPv6 ...

Asymmetric TCP/IP routing causes a common performance problem on servers that have more than one network connection. The atypical network flows created by asymmetric routes occur most often in server ...

At the core of the IP layer is a set of routing functions and routing protocols. This appendix discusses how each of the widely used routing protocols operates. Before delving into the protocols ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Routers and switches are filled with technologies, some ...

Source packet routing in networking, or SPRING, is a standards-based approach to segment routing that is gaining a lot of traction among service providers and cloud operators as they consider new ...

An analyst says it could allow CISOs to better enforce security policies by decoupling security policies from the complexities of network configurations. Oracle has added a new zero trust capability ...

What is IP fragmentation, why is it important, and do people understand it? The answer to that last question is "not as well as they think". This article will also answer the rest of those questions ...

Internet Protocol (IP) spoofing is a type of malicious attack where the threat actor hides the true source of IP packets to make it difficult to know where they came from. The attacker creates packets ...