Search TCP / UDP Port Assignment Database

Search result for: 42

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

Service	Port	Prot.	Description	Notes
name	42	tcp	Host Name Server	[IANA]
name	42	udp	Host Name Server	[IANA]
nameserver	42	tcp	Host Name Server	[IANA]
nameserver	42	udp	Host Name Server	[IANA]
nameserver	42	tcp	# Host Name Server	[NMAP]
nameserver	42	udp	# Host Name Server	[NMAP]
nameserver	42	udp	Host Name Server	[WG]
nameserver	42	tcp/udp	Internet Name Service	[WG]
WINS	42	tcp	WINS Replication - Windows Internet Name Service	[WG]
WINS	42	udp	WINS Replication - Windows Internet Name Service	[WG]
	42	tcp/udp	Host Name Server Protocol	[WP] Official
name	42	tcp	Host Name Server	[SANS]
name	42	udp	Host Name Server	[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