274
The tel URI for Telephone
3966
Numbers
Network News Transfer Protocol
3977
(NNTP)
Session Timers in the Session
4028
Initiation Protocol (SIP)
The Secure Shell (SSH) Protocol
4250
Assigned Numbers
The Transport Layer Security
4346
(TLS) Protocol
N
Y
N/A
N
N
N/A
Y
Y
N/A
N
N
N
N
N
N
MA4000/OW5000 can use
HTTPS using TLS