Chapter 2 Features and Applications

Ethernet -> VLAN -> Encap -> ALG -> AC -> DNAT-> Routing -> FW -> AC -> IDP -> AV -> AP -> CF -> SNAT -> IPSec E -> Routing -> BWM -> Encap -> VLAN -> Ethernet

2.3 Applications

These are some example applications for your ZyWALL. See also Chapter 6 on page 125 for configuration tutorial examples.

2.3.1 VPN Connectivity

Set up VPN tunnels with other companies, branch offices, telecommuters, and business travelers to provide secure access to your network. You can also set up additional connections to the Internet to provide better service.

Figure 3 Applications: VPN Connectivity

2.3.2 SSL VPN Network Access

You can configure the ZyWALL to provide SSL VPN network access to remote users. There are two SSL VPN network access modes: reverse proxy and full tunnel.

2.3.2.1 Reverse Proxy Mode

In reverse proxy mode, the ZyWALL is a proxy that acts on behalf of the local network servers (such as your web and mail servers). As the final destination, the ZyWALL appears to be the server to remote users. This provides an added layer of protection for your internal servers.

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ZyWALL USG 1000 User’s Guide