The web server in the Avaya B179 supports secure connections using HTTPS.
Procedure
From the web interface, select Settings > Web interface.
You can also access web interface settings through the B179 via MENU > SETTINGS > ADVANCED > Enter your PIN > WEB INTERFACE (or press 6, 2, 7 from the main menu).
Option
Detail
Enable HTTPS
Set Enable HTTPS to On if you need a secure communication between the PC used for setup and the phone.
Certificate
You need to upload a certificate to the phone in order to use HTTPS.