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ZyWALL USG 50 User’s Guide
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SSL VPN
24.1  Overview
Use SSL VPN to allow users to use a web browser for secure remote user login 
(the remote users do not need a VPN router or VPN client software. 
24.1.1  What You Can Do in this Chapter
• Use  the  VPN > SSL VPN > Access Privilege screens (see 
) to configure SSL access policies. 
• Use  the  Click  VPN > SSL VPN > Global Setting screen (see 
to set the IP address of the ZyWALL (or a gateway device) on your 
network for full tunnel mode access, enter access messages or upload a custom 
logo to be displayed on the remote user screen. 
24.1.2  What You Need to Know
Full Tunnel Mode 
In full tunnel mode, a virtual connection is created for remote users with private 
IP addresses in the same subnet as the local network. This allows them to access 
network resources in the same way as if they were part of the internal network. 
Figure 240   Network Access Mode: Full Tunnel Mode 
SSL Access Policy  
An SSL access policy allows the ZyWALL to perform the following tasks: