Why are HTTPS URLs not being filtered?

Article #: Product Castle
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How to resolve HTTPS sites that are not filtered.


HTTPS sites are not filtered.


There could be several reasons for this:

  1. If you are using a transparent proxy (Web proxy > Authentication > Manage policies), ensure HTTPS is set to on — this ensures that traffic to secure sites is redirected to the web filter.
    For a detailed description of how to create a transparent proxy, go to https://help.smoothwall.net/Latest/Content/modules/guardian3/cgi-bin/guardian/authpolicy.htm
  2. It may be that decrypt and inspect is not enabled for the site in question; check the categories in the HTTPS inspection policies under Guardian > HTTPS inspection > Manage policies.
  3. The site may be in the Transparent HTTPS incompatible sites category — use the search tools in Guardian > Policy Objects > Categories to check what categories a site is part of.


Last updated: Author: Contributions by:
23 August 2016   Tanja