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Secure Web Gateway

With Secure Web Gateway polices, Cloudflare for Teams allows you to set up two types of filtering:

  • DNS filtering: filtering DNS queries from networks or devices.
  • HTTP filtering: inspecting and filtering HTTP traffic over port 80 and 443 from enrolled devices. If the HTTP connection is within a TLS connection, the TLS connection will be terminated at Cloudflare Gateway so the HTTP traffic can be inspected (unless an administrator configures a bypass rule).

This section describes how to create both DNS and HTTP policies in Cloudflare for Teams. To review how to connect networks and devices to Cloudflare, check out the Connections section.

Check that a policy is working

Once you've created a policy to block a domain, you can use either dig or nslookup on your to see if the policy is working as intended.

If you are using a policy to block, you can do the following to see if Gateway is blocking

  1. Open your terminal.

  2. Type dig (nslookup if you are using Windows) and press enter

  3. If the Block page is disabled for the policy, then you should see REFUSED in the answer section like below:

    Blocked when block page disabled

    If the Block page is enabled for the policy, then you should see NOERROR in the answer section and and as the answers when the domain is successfully blocked.

    Blocked when block page enabled