Knowledgebase: WinGate
Transparent Proxy - Applying Policies, Scanning etc.
Posted by Adrien de Croy (Import) on 17 November 2005 01:30 PM

Using the Proxy services in WinGate allows you to scan traffic for viruses or prohibited content, and control user access through the use of policies.

You can intercept NAT and WinGate Internet Client (WGIC) connections and redirect them to the proxy, where they will be scanned or have policies applied to them. We call this Transparent Proxy or Transparent Redirection (TR) and it is enabled on the Sessions menu in the Proxy services.

Transparent Proxy is very useful for web connections as this is where you commonly need to scan traffic or control user browsing. The image below shows TRs enabled on the WWW proxy service, intercepting connections on port 80.

screen-shot showing Transparent Proxy enabled

You must check the box to turn on Transparent Proxy and then you must select the port that you wish to intercept. In the case of web traffic you will normally want to intercept port 80.

You should never try to intercept a secure port, ie port 443 as this will break the connection.


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