To Improve Latency For Udp Traffic - Watchguard SSL 1000 User Manual

Improving Voice over IP Connections
If the Improving Voice over IP Connections setting is not selected, the UDP traffic is encrypted using
the symmetric encryption cipher that is specified in the Select encryption type for client connections
setting on the Global Cluster Policies tab.
The encryption ciphers are negotiated between the client computer and the Firebox SSL VPN Gateway
in the order listed. The first accepted method is the one chosen for the session.

To improve latency for UDP traffic

1 Click the Global Cluster Policies tab.
2 Under SSL Options, select Improve latency for Voice over IP traffic.
3 Click Submit.
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Firebox SSL VPN Gateway