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Search TCP / UDP Port Assignment Database

Enter port number or text string:
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Search result for: 27

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

Service Port Prot. Description Notes
nsw-fe 27 tcp NSW User System FE [IANA]
nsw-fe 27 udp NSW User System FE [IANA]
nsw-fe 27 tcp # NSW User System FE [NMAP]
nsw-fe 27 udp # NSW User System FE [NMAP]
27 tcp/udp NSW User System FE [WP] Official
altavista-fw97 27 tcp AltaVista Firewall97 [SANS]
nsw-fe 27 tcp NSW User System FE [SANS]
nsw-fe 27 udp NSW User System FE [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.

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