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Search TCP / UDP Port Assignment Database

Enter port number or text string:
Search database:

Search result for: 3131

From: [IANA] [NMAP] [SANS]

Service Port Prot. Description Notes
netbookmark 3131 tcp Net Book Mark [IANA] Known Unauthorized Use on port 3131
netbookmark 3131 udp Net Book Mark [IANA] Known Unauthorized Use on port 3131
netbookmark 3131 udp # Net Book Mark [NMAP]
netbookmark 3131 tcp Net Book Mark [SANS]
SubSARI 3131 tcp (trojan) SubSARI [SANS]
netbookmark 3131 udp Net Book Mark [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

0-99
100-199
200-299
300-399
400-499
500-599
600-699
700-799
800-899
900-999
1000-1023

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