User`s guide

AT&T Global Network Client for Windows Administrator’s Guide
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Figure 45: Proxy Settings Menu
Switching to IPSec Over Dial Connections
If your company prefers using IPSec protocol whenever possible, the AT&T Global Network Client can be
configured to use IPSec for dial connections.
This option requires central configuration and configuration in the AT&T Global Network Client. You must
be authorized for both SSL and IPSec services in the AT&T administration server. To configure this option
in the AT&T Client, click Settings menu; then Login Properties. Click the Preferences tab; click Override
Defaults; scroll down and click Switch from SSL to IPSec over dial connections in the VPN Details section.
Dynamically VPN Connect
For companies who want users to VPN connect behind a proxy server, the AT&T Global Network Client
can dynamically detect a proxy server in the network path and VPN connect using Transparent Tunneling
(SSL-T). With this feature you can roam from a non-proxy site to a proxy site and not have to manually
change any settings on the AT&T Global Network Client. This option only works with AT&T VPN Servers
(VIG/SIG/Gateway) terminating the connection.
This option requires central configuration and configuration in the AT&T Global Network Client. You must
be authorized for both SSL and IPSec services in the AT&T Administration Server and the SSL AT&T Global
Network Client Allow Proxy setting must be set to Y in the AT&T administration server. To configure this
option in the AT&T Client, click Settings menu; then Login Properties. Click the Preferences tab; click
Override Defaults; scroll down and click Use SSL Tunneling when a proxy server is detected in the VPN
Details section.
If your company prefers to use IPSec, but would like a failover service that will traverse more network
paths, the AT&T Global Network Client can dynamically failover to Transparent Tunneling (SSL-T) service if
the IPSec connection fails for any reason. In the AT&T administration server, set the AT&T Global