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VPN Tunneling Proxy Support

VPN tunneling provides support for remote clients using a proxy server to access the Internet (and Connect Secure via the Internet), as well as clients who do not need a proxy to access the Internet, but who access resources on an internal network through a proxy. VPN tunneling also provides support for clients accessing a Proxy Automatic Configuration (PAC) file that specifies client and system proxy settings enabling access to Web applications.

Note: The VPN tunneling client does not support the use of the MS Winsock proxy client. Please disable the MS Winsock proxy client before running the VPN tunneling client. For more information, see

To address these varying methods of proxy implementation, VPN tunneling temporarily changes the proxy settings of the browser so that only traffic intended for the VPN tunneling session uses the temporary proxy settings. All traffic not intended for the VPN tunneling session uses the existing proxy settings.

Note: The VPN tunneling client does not support the option to automatically detect proxy settings. You must choose to use either an automatic configuration script (PAC) or specify a proxy server. You cannot use both a proxy server and an automatic configuration script, together. You can define one or the other under the Proxy section in Users > Resource Policies > VPN Tunneling > Connection Profiles > Profile.

Whether split-tunneling is enabled or disabled, the system supports the following proxy scenarios:

Please note the following exceptions:

When split-tunneling is enabled, VPN tunneling manages proxy settings in one of the following ways, depending on the method with which the proxy is implemented:

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