Blocking Facebook with Web Filtering

Visual Representation of Blocking Facebook Recipe

This recipe explains how to use a static URL filter to block access to Facebook and its subdomains.

By using SSL inspection, you ensure that Facebook and its subdomains are also blocked when accessed through HTTPS.


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Find this recipe for other FortiOS versions:
5.2 | 5.4 | 5.6

1. Enabling Web Filtering

Go to System > Feature Select to enable the Web Filter feature.

Enable Web filter feature

2. Editing the default Web Filter profile

Go to Security Profiles > Web Filter and edit the default Web Filter profile.

To block Facebook, go to Static URL filter, select URL Filter, and then click Create.

Static URL Filter Enabled

Set URL to * Set Type to Wildcard, set Action to Block, and set Status to Enable.

Facebook Wildcard Filter

3. Creating the Web filtering security policy

Go to Policy & Objects > IPv4 Policy, and click Create New. Give the policy a name that identifies its use.

Set Incoming Interface to the internal network and set Outgoing Interface to the Internet-facing interface.

Enable NAT.

Set Interface IPv4 Policy
Under Security Profiles, enable Web Filter and select the default web filter profile. Enable Web Filter
Enable SSL/SSH Inspection and select certificate-inspection from the dropdown menu. This allows the FortiGate to inspect and apply web filtering to HTTPS traffic. Enable SSL/SSH Inspection

The new policy has to be first on the list in order to be applied to Internet traffic. Confirm this by viewing policies By Sequence.

To move a policy up or down, click and drag the far-left column of the policy.

Move IPv4 policy to top of list

4. Results


HTTPS is automatically applied to, even if it is not entered in the address bar. A FortiGuard Web Page Blocked! message appears.

Results for blocking

Visit a subdomain of Facebook, for example,

A FortiGuard Web Page Blocked! message appears, blocking the subdomain.

Results for blocking subdomain of Facebook

For further reading, check out Static URL Filter in the FortiOS 5.4 Handbook.

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