TCP and UDP Ports As you know every computer or device on the Internet must have a unique number assigned to it called the IP address.

TCP/IP Client / Server Application Hello! Today's blog post will be about coding a very rudimentary Client and Server application duo, which will communicate by using TCP Sockets.

According to this group, starting with February 1, 2020, DNS servers that can't handle DNS queries over both UDP and TCP may be pushed out of the DNS ecosystem and stop working.