What is the use of port 1?

Published by Charlie Davidson on

What is the use of port 1?

Side note: UDP port 1 uses the Datagram Protocol, a communications protocol for the Internet network layer, transport layer, and session layer. This protocol when used over PORT 1 makes possible the transmission of a datagram message from one computer to an application running in another computer.

Is port 123 secure?

All packets to/from TCP port 123 should be safe to filter since NTP by design only uses UDP.

Is port 123 a TCP or UDP?

Port 123 Details

Port(s) Protocol Service
123 udp
123 tcp trojan
123 tcp NetController
123 tcp,udp applications

Can port 1 use?

Port 1 Details Kamikaze, IRC_trojan, TROJ_Backdoor, W32/Cheval. gen, coded in Delphi 3, 06.1998). It might also use ports 1/udp, 5000, 5001, 30303, 50505, 60000 and 65000. Scans against this port are commonly used to test if a machine runs SGI Irix (as SGI is the only system that typically has this enabled).

Is port 1 TCP or UDP?

Service Name and Transport Protocol Port Number Registry

Service Name Port Number Transport Protocol
0 tcp
0 udp
tcpmux 1 tcp
tcpmux 1 udp

What is port 123 used for?

Well-known ports

Port TCP Description
117 Yes UUCP Mapping Project (path service)
118 Yes Structured Query Language (SQL) Services
119 Yes Network News Transfer Protocol (NNTP), retrieval of newsgroup messages
123 Assigned Network Time Protocol (NTP), used for time synchronization

What are X11 programs?

The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X provides the basic framework for a GUI environment: drawing and moving windows on the display device and interacting with a mouse and keyboard.

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