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ZyWALL 110/310/1100 Series User’s Guide 229
CHAPTER 14
HTTP Redirect
14.1 Overview
HTTP redirect forwards the client’s HTTP request (except HTTP traffic destined for the ZyWALL) to a
web proxy server. In the following example, proxy server A is connected to the DMZ interface.
When a client connected to the LAN1 zone wants to open a web page, its HTTP request is
redirected to proxy server A first. If proxy server A cannot find the web page in its cache, a policy
route allows it to access the Internet to get them from a server. Proxy server A then forwards the
response to the client.
Figure 132 HTTP Redirect Example
14.1.1 What You Can Do in this Chapter
Use the HTTP Redirect screens (see Section 14.2 on page 230) to display and edit the HTTP
redirect rules.
14.1.2 What You Need to Know
Web Proxy Server
A proxy server helps client devices make indirect requests to access the Internet or outside network
resources/services. A proxy server can act as a firewall or an ALG (application layer gateway)
between the private network and the Internet or other networks. It also keeps hackers from
knowing internal IP addresses.
LAN1