Search TCP / UDP Port Assignment Database

Search result for: 512

From: [IANA] [NMAP] [WG] [WP] [SANS]

Service	Port	Prot.	Description	Notes
exec	512	tcp	remote process execution; authentication performed using passwords and UNIX login names	[IANA]
comsat	512	udp		[IANA]
biff	512	udp	used by mail system to notify users of new mail received; currently receives messages only from processes on the same machine	[IANA]
exec	512	tcp	# BSD rexecd(8)	[NMAP]
biff	512	udp	# comsat	[NMAP]
biff [comsat]	512	udp	Asynchrous mail client (biff) and service (comsat)	[WG]
exec	512	tcp	Authentication for remote process execution	[WG]
exec	512	tcp	Remote process execution	[WG]
biff	512	udp	Used by mail system to notify users that new mail is received	[WG]
	512	tcp	Rexec, Remote Process Execution	[WP] Official
	512	udp	comsat, together with�biff	[WP] Official
exec	512	tcp	BSD rexecd(8)	[SANS]
biff	512	udp	comsat	[SANS]
comsat	512	udp		[SANS]

How to use:

To search by port enter a number in the range between 0 and 65535. To search service / protocol description by keyword enter a text string at least three characters long. Wild-card (*) is supported if it is the last character in the search string. Alternatively, select a port from one of the ranges listed below.

Port range: 0-1023

0-1023 - Well-known or System Ports
1024-49151 - Registered or User Ports
49152-65535 - Dynamic/Private or Ephemeral Ports

Information Sources:
[IANA] IANA Service Name and Transport Protocol Port Number Registry
[NMAP] NMAP.org well known service port numbers
[WG] WintelGuy.com port number database compiled from many different sources, including Microsoft, VMWare, Citrix, Oracle, etc.
[WP] Wikipedia - List of TCP and UDP port numbers
[SANS] SANS Inst. / DShield service list