If you understand the concepts of IP addresses, then lets move on to TCP and UDP ports and how they work. The devices and comptuers connected to the Internet use a protocol called TCP/IP to ...

If your app is using bog-standard OpenVPN - or even some proprietary protocols, such as ExpressVPN's Lightway - you might find it gives you both UDP and TCP options. You may like Can fast be faster?

TCP running over IP is written TCP/IP ... and a checksum coverage range that that checksum applies to, whereas vanilla UDP -- optionally in IPv4, and always in IPv6 -- has just a simple checksum on ...

TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) constitute the vast majority of packets the average Internet user sends and receives. Inevitably, errors will at some point work ...

Whether you're browsing the internet, streaming videos, or troubleshooting network issues, underlying networking protocols such as TCP/IP, UDP, and ICMP are responsible for the smooth transmission of ...

Security practitioners for decades have advised people to limit DNS queries against their DNS servers to only use UDP port 53. The reality is that DNS queries can also use TCP port 53 if UDP port ...