Is Port 9999 a TCP or UDP?

Is Port 9999 a TCP or UDP?

Service Name and Transport Protocol Port Number Registry

Service Name Port Number Transport Protocol
distinct 9999 udp
dnp-sec 19999 tcp
dnp-sec 19999 udp
bingbang 29999 tcp

Is 8081 a TCP or UDP?

Understanding Default Open Ports

Port Number Protocol Where Used
4500 UDP controller
8080 TCP controller
8081 TCP controller
8082 TCP controller

What is UDP protocol port?

A User Datagram Protocol port is an internetworking software abstraction, not a physical thing like a USB port. In Internetworking with TCP/IP , Douglas Comer explains, “We will imagine that each machine contains a set of abstract destination points called protocol ports.

Is port 500 UDP or TCP?

UDP port 500 is the ISAKMP port for establishing PHASE 1 of IPSEC tunnnel. ESP/AH being a L3 protocol doesn’t have a port number, rather it has a protocol number ( IP 50/51 respectively). & if please note that, UDP 500 is for ISAKMP & not for esp/ah.

What is port 81 used for?

Well-known ports

Port TCP Description
80 Yes Hypertext Transfer Protocol (HTTP) uses TCP in versions 1.x and 2. HTTP/3 uses QUIC, a transport protocol on top of UDP.
81 Unofficial TorPark onion routing
82 TorPark control
83 Yes MIT ML Device, networking file system

What is difference between TCP and UDP protocol?

TCP is a connection-oriented protocol, whereas UDP is a connectionless protocol. A key difference between TCP and UDP is speed, as TCP is comparatively slower than UDP. Overall, UDP is a much faster, simpler, and efficient protocol, however, retransmission of lost data packets is only possible with TCP.

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