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Glossary:UDP

From PCGamingWiki, the wiki about fixing PC games

UDP (User Datagram Protocol) is a stateless connection protocol commonly used in video games.

Testing UDP connectivity shouldn't be necessary, as most routers should automatically handle a two-way connection by detecting activity or through the UPnP protocol.

Testing UDP

Unlike TCP, you need specialized tools to check if inbound UDP if working correctly. However, it can still be performed with one of the following:

  • Use a UDP port checking tool, such as PortChecker.net. This site has a built-in Java client that confirms if the port is open.
  • Use Port Forward's UDP checker. This is a client that contact a specific external server.
  • Obtain command line tool PCATTCP and set it to listen on a UDP port (instructions are found in its documentation.) Next, find means to send a UDP packet to your computer.

See also