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 ...

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 ...

Part I of this article discussed tcpdump, a command-line utility that sniffs network traffic. Now let's see what it can do. Scenario 1: Established Telnet Connection Using tcpdump we can analyze the ...

When I use the netstat command to look at the open TCP/IP connections on my PC, there are connections that should be closed that are in the TIME_WAIT state. What is this, and why do connections stay ...

Cloudflare processes 60 million HTTP requests per second, of which about 70% are TCP connections and about 30% are UDP/QUIC connections. Of these, only about 80% of data exchanges are actually ...

We all want, and need, the fastest possible Internet. To give that to its customers, Microsoft is upgrading its TCP/IP networking stack in Windows 10 and Windows Server 2016. These improvements are ...