Protocol Type
The protocol used for device communication. TCP and UDP are the most
commonly used protocols among others.
Client Port
The client-end port for protocol communication. It is recommended to use
the default value.
Server Port
The server-end port for a custom network service.
4.2.1 Example of Custom Service
4.2.1.1 Creating a Policy to Permit VoIP Telephony between
External and Internal Users via TCP 1720, 15328-15333
and UDP 15328-15333
Step 1. Under Policy Object > Address > LAN / LAN Group, configure the
following settings.
The Address Settings for VoIP Communication
Grouping the LAN Addresses
Gigabit Multi-Homing VPN Security Gateway
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