When you log in to the SSL VPN gateway using a browser for the first time, you need to install the ActiveX control as prompted. The ActiveX control is integrated in the patch file of the SSL VPN client, except the USG6610E/6620E, USG6630E/6650E, USG6680E and USG6712E/6716E. The administrator needs to obtain the patch file and load it to the device through the SSL VPN client patch upgrade function. For details, see Installing the ActiveX Control.
Depending on SSL VPN user authentication modes, users obtain different user login information and perform different operations.
To access an SSL VPN gateway that shares its public IP address, enter https://public domain name:port/subdomain name. If the port number is the default value 443, do not enter the port number.
If users want to eliminate the security warning dialog box, perform the following operations:
Depending on SSL VPN user authentication modes, users enter or select different user login information. For details, see the following figures.



As shown in Figure 4, SSL VPN services that users can access are displayed on the SSL VPN gateway page.
Methods to use the SSL VPN service are as follows:
Web proxy/File Sharing/Port Forwarding
Under Web proxy/File Sharing, click the resource name, such as ERP. Port Forwarding must be accessed using the corresponding client or program.
Network extension (web and client software)
Log in to the virtual gateway, click Start on the Network Extension tab to automatically install the virtual network adapter to obtain a virtual IP address. After installation, the following figure is displayed.

Click Options to download and install the network extension client.
The client can be used only when you have not logged in to the virtual gateway. URL on the network extension client UI is the address of the virtual gateway.