[
While this page is sorted numerically, to find a specific
port number quickly, use ctrl+f | Last
Updated: 07/17/07 ]
[ We are not responsible for any incorrect port assignments, but encourage and welcome suggestions. ]
[ If you are looking for a comprehensive listing of ports, we encourage you to check out these links. ] |
| Port ^ |
Keyword(s) |
Definition/Acronym |
| 7 |
|
UDP |
Echo |
|
| 20 |
TCP |
UDP |
FTP-data |
|
| 21 |
TCP |
UDP |
FTP-control |
|
| 22 |
TCP |
|
SSH,
Telnet |
Secure
SHell or Secure Socket SHell |
| 23 |
TCP |
|
Telnet |
|
| 25 |
TCP |
|
SMTP |
Simple Mail Transport Protocol |
| 43 |
TCP |
|
WhoIs |
|
| 50 |
|
|
ESP, AH, IPSec |
Encapsulating Security Payload in the encryption of the Authentication Header protocol employed by Internet Protocol Security |
| 51 |
|
|
AH, IPSec |
Authentication Header protocol used in Internet Protocol Security |
| 53 |
TCP |
UDP |
DNS |
Domain Name Service, DNS Zone Traffic occurs on TCP |
| 69 |
|
UDP |
TFTP |
Trivial File Transfer Protocol |
| 70 |
TCP |
UDP |
Gopher |
|
| 80 |
TCP |
|
HTTP |
Hypertext Transfer Protcol/Unsecured |
| 88 |
TCP |
UDP |
Kerberos |
|
| 110 |
TCP |
|
POP3 |
Post Office Protocol 3 |
| 118 |
TCP |
UDP |
SQL |
Structured Query Language Services |
| 119 |
TCP |
|
NNTP |
Network News Transport Protocol |
| 123 |
TCP |
UDP |
NTP |
Network Time Protocol |
| 137 |
TCP |
UDP |
NetBios |
NetBios Name Service |
| 138 |
TCP |
UDP |
NetBios |
NetBios Datagram Service |
| 139 |
TCP |
UDP |
NetBios |
NetBios Session Service |
| 139 |
TCP |
|
SMB |
Server Message Block Protocol |
| 143 |
TCP |
|
IMAP |
Internet Message Access Protocol |
| 161 |
TCP |
UDP |
SNMP |
Simple Network Management Protocol |
| 213 |
TCP |
UDP |
IPX |
Internetwork Packet Exchange |
| 389 |
TCP |
|
LDAP |
Lightweight Directory Access Protocol |
| 443 |
TCP |
|
SSL |
Secure Socket Layer |
| 443 |
TCP |
UDP |
HTTPS |
Hypertext Transfer Protocol/Secure |
| 445 |
TCP |
|
SMB |
Server Message Block Protocol |
| 445 |
|
|
AD |
Active
Directory |
| 500 |
|
UDP |
ISAKMP, IPSec |
Internet Security Associations and Key Management Protocol |
| 1701 |
|
UDP |
L2TP, L2F |
Layer 2 Tunneling Protocol and Layer 2 Forwarding |
| 1723 |
TCP |
|
PPTP |
Point-to-Point Tunneling Protocol |
| 3129 |
|
|
Masters
Paradise |
|
| 3700 |
|
|
Portal
of Doom |
|
| 5742 |
|
|
WinCrash |
|
| 12345 |
|
|
NetBus |
|
