TCP or UDP Static Port Protocol |
Type |
Well-Known Port Number |
Description |
BGP |
TCP/UDP |
179 |
Border Gateway Protocol |
CU-SeeMe |
TCP/UDP |
7648, 7649 |
Desktop videoconferencing |
CU-SeeMe |
UDP |
24032 |
Desktop videoconferencing |
DHCP/Bootp |
UDP |
67, 68 |
Dynamic Host Configuration Protocol/Bootstrap Protocol |
DNS |
TCP/UDP |
53 |
Domain Name System |
Finger |
TCP |
79 |
Finger User Information Protocol |
Gopher |
TCP/UDP |
70 |
Internet Gopher Protocol |
HTTP |
TCP |
80 |
Hypertext Transfer Protocol |
HTTPS |
TCP |
443 |
Secured HTTP |
IMAP |
TCP/UDP |
143, 220 |
Internet Message Access Protocol |
IRC |
TCP/UDP |
194 |
Internet Relay Chat |
Kerberos |
TCP/UDP |
88, 749 |
The Kerberos Network Authentication Service |
L2TP |
UDP |
1701 |
L2F/L2TP Tunnel |
LDAP |
TCP/UDP |
389 |
Lightweight Directory Access Protocol |
MS-SQLServer |
TCP |
1433 |
Microsoft SQL Servertop videoconferencing |
NetBIOS |
TCP |
137, 139 |
NetBIOS over IP (Microsoft Windows) |
NetBIOS |
UDP |
137, 138 |
NetBIOS over IP (Microsoft Windows) |
NFS |
TCP/UDP |
2049 |
Network File System |
NNTP |
TCP/UDP |
119 |
Network News Transfer Protocol |
Notes |
TCP/UDP |
1352 |
Lotus Notes |
NTP |
TCP/UDP |
123 |
Network Time Protocol |
PCAnywhere |
TCP |
5631, 65301 |
Symantec PCAnywhere |
PCAnywhere |
UDP |
22, 5632 |
Symantec PCAnywhere |
POP3 |
TCP/UDP |
110 |
Post Office Protocol |
PPTP |
TCP |
1723 |
Point to Point Tunneling Protocol |
RIP |
UDP |
520 |
Routing Information Protocol |
RSVP |
UDP |
1698,1699 |
Resource Reservation Protocol |
SFTP |
TCP |
990 |
Secure FTP |
SHTTP |
TCP |
443 |
Secure HTTP |
SIMAP |
TCP/UDP |
585, 993 |
Secure IMAP |
SIRC |
TCP/UDP |
994 |
Secure IRC |
SLDAP |
TCP/UDP |
636 |
Secure LDAP |
SNNTP |
TCP/UDP |
563 |
Secure NNTP |
SMTP |
TCP |
25 |
Simple Mail Transfer Protocol |
SNMP |
TCP/UDP |
161, 162 |
Simple Network Management Protocol |
SOCKS |
TCP |
1080 |
Firewall security protocol |
SPOP3 |
TCP/UDP |
995 |
Secure POP3 |
SSH |
TCP |
22 |
Secured Shell |
STELNET |
TCP |
992 |
Secure TELNET |
Syslog |
UDP |
514 |
System Logging Utility |
Telnet |
TCP |
23 |
Telnet Protocol |
X Windows |
TCP |
6000-6003 |
X11, X Windows |