Anonymous proxies are typically used to circumvent security policies, allowing users to access prohibited recreational, adult or other non-business sites by tunneling this traffic over a regular or encrypted HTTP session. Anonymous proxies also provide anonymity; users accessing websites through an anonymous proxy cannot easily be traced back to their original IP. The anonymous proxy application is a special application object that is used to detect anonymous proxy websites and services.
The Anonymous Proxy service is disabled by default. If the anonymous proxy service is enabled, the Exinda appliance fetches a list of anonymous proxy definitions from the Exinda web servers on a daily basis. An application object called 'Anonymous Proxy' is automatically created. The Anonymous Proxy application tracks all traffic that is proxied through one of the anonymous proxies in the list. This application object is displayed in the monitoring reports like any other application object and can also be used in the Optimizer policies.
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Figure: The form to enable the Anonymous Proxy service to keep of list of anonymous proxy sites.
Figure: The form to enable/disable the Anonymous Proxy ASAM required for classification.
Check the Auto Update Service Enable checkbox.
The appliance will communicate with the Exinda web servers daily and fetch any new anonymous proxy definitions.
Ensure that the Anonymous Proxy ASAM module is enabled by going to the System > Setup > Monitoring page and ensuring the Anonymous Proxy checkbox is checked in the ASAM section. The Anonymous Proxy ASAM is on by default.
The appliance will classify traffic by matching the traffic against the anonymous proxy list.
Click the Renumerate button.
The appliance will check the Exinda web servers immediately to check for new anonymous proxy information.
Disable the Anonymous Proxy ASAM by going to the System > Setup > Monitoring page, unchecking the Anonymous Proxy checkbox in the ASAM section, and clicking the Apply Changes button.
Disabling the ASAM will clear the existing anonymous proxy definitions.
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