Port 608 is used for communication between the Lotus Notes client and Domino server. Lotus Notes is a groupware application developed by IBM, whereas the Domino server is a server-side application used for email, calendar, and messaging. Port 608 is the default port used for encrypted communication between these two applications.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 608 |
tcp |
sift-uft |
Sender-Initiated/Unsolicited File Transfer |
WELL KNOWN PORT |
Port 608 |
udp |
sift-uft |
Sender-Initiated/Unsolicited File Transfer |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |