|
Port Number |
TCP/UDP |
Used By | Defined As |
21 |
TCP |
FTP | File Transfers |
22 |
TCP |
SSH (OS X only) | Secure Shell Connection |
23 |
TCP |
CLUI | Command Line User Interface |
25 |
TCP |
SMTP | Inbound and Outbound E-Mail |
79 |
TCP |
Finger |
80 |
TCP |
HTTP | Hypertext Transfer Protocol |
110 |
TCP |
POP3 | Post Office Protocol Version 3 |
119 |
TCP |
NNTP | Net News Transfer Protocol |
143 |
TCP |
IMAP4 | Internet Message Access Protocol - version 4rev1 |
389 |
TCP |
LDAP | Lightweight Directory Access Protocol |
443 |
TCP |
HTTPS | Secure Hypertext Transfer Protocol |
510 |
TCP |
FCP | FirstClass Protocol (Used by FirstClass Client) |
810 |
UDP |
FirstClass Notifier |
993 |
TCP |
IMAP4 SSL | Secure Internet Message Access Protocol - version 4rev1 |
943 |
TCP |
LDAP SSL | Secure Lightweight Directory Access Protocol |
995 |
TCP |
POP3 SSL | Secure Post Office Protocol Version 3 |
3000 |
TCP |
Legacy FirstClass Clients |
3001 |
TCP |
Legacy FirstClass Clients |
3002 |
TCP |
Legacy FirstClass Clients |
3003 |
TCP |
Legacy FirstClass Clients |
3004 |
TCP |
Legacy FirstClass Clients |
333 |
TCP |
FPP | Flexible Provisioning Protocol (can be any port) |
