When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This month, we shift our focus to an important security issue. We will combine some information ...

The procedure that takes place between two TCP/IP nodes to establish a connection. Known as the "SYN, SYN-ACK, ACK handshake," computer A transmits a SYNchronize packet to computer B, which sends back ...

In our continuing discussion of TCP and selective retransmission of lost packets, we enlisted the help of Gary Kessler, an associate professor at Champlain College in Burlington, Vt., and our resident ...

Vendors are finally releasing patches today for the TCP vulnerabilities first publicized nearly a year ago that affect a huge range of networking products, including any device running a version of ...

Last week we discussed ports in some detail. This week, even more detail. To understand how ports work and the ways they behave, we need to understand how TCP/IP functions. Ports are numbered from one ...