Search TCP / UDP Port Assignment Database
Search result for: 20000
From: [IANA] [NMAP] [WP] [SANS]
| Service | Port | Prot. | Description | Notes |
| dnp | 20000 | tcp | DNP | [IANA] |
| dnp | 20000 | udp | DNP | [IANA] |
| dnp | 20000 | tcp | # DNP | [NMAP] |
| 20000 | Distributed Network Protocol (DNP), a protocol used in SCADA systems between communicating RTU's and IED's | [WP] Official | ||
| 20000 | Usermin, Web-based Unix/Linux user administration tool (default port) | [WP] Unofficial | ||
| 20000 | udp | Used on the Vonage network for receiving and transmitting voice telephony traffic. (Used concurrent with Port 10000) | [WP] Unofficial | |
| Millenium | 20000 | tcp | (trojan) Millenium | [SANS] |
| dnp | 20000 | udp | DNP | [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