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Port 5800 Details

known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
5800 tcp vnc VNC (Virtual Network Computing) - remote control program,

It also uses ports 5800+ and 5900+ for additional machines.

Backdoor.Evivinc trojan also uses this port.
5800 tcp VNC remote desktop protocol - for use over HTTP (unofficial) Wikipedia
5800 tcp vnc SANS
5800,5500,5900 tcp applications Tight VNC Portforward
5500,5800,5900 tcp applications Vitual Network Computing Portforward
5500,5800,5900 tcp applications VNC Portforward
5800 tcp vnc-http Virtual Network Computer HTTP Access, display 0 Nmap
5800 tcp vnc vnc Neophasis
5800 tcp threat Evivinc Bekkoame
5800 tcp threat VNC Bekkoame
5794-5812 tcp,udp Unassigned IANA
11 records found
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Related ports: 5280  5500  5900  5901  5902  5903  

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External Resources
SANS Internet Storm Center: port 5800

Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.

TCP ports use the Transmission Control Protocol. TCP is the most commonly used protocol on the Internet and any TCP/IP network. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. Guaranteed communication/delivery is the key difference between TCP and UDP.

UDP ports use the Datagram Protocol, a communications protocol for the Internet network, transport, and session layers. Like TCP (Transmission Control Protocol), UDP is used with IP (the Internet Protocol) and makes possible the transmission of datagrams from one computer to applications on another computer, but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received the message to process any errors and verify correct delivery. UDP is often used with time-sensitive applications, such as audio/video streaming, where dropping some packets is preferable to waiting for delayed data.

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