Configure the stunnel package (CE or 2.4.4-RELEASE)

From the web interface on AZTCO-FW:

• Navigate to Services > STunnelClick 
•  Add to create a new profile
• Enter a Description for this connection, such as G Suite
• Check Client ModeSet Listen on IP to 127.0.0.1
• Set Listen on port to 1636
• Set the Certificate to the entry imported previously, in this case G Suite LDAP
• Set Redirects to IP to ldap.google.com
• Set Redirects to port to 636
• Click Save