Description
This article describes how to configure user authentication for a specific FortiGuard Web Filter category.
Scope
FortiGate, Web filter.
Solution
Requirements:
- A valid Fortiguard Web Filter license.
- An authentication server: Local, LDAP, or Radius.
- An active connection to FortiGuard.
1. User Group:
Configure a specific user group. It can be Local, LDAP or Radius. For this exercise, a Local user group will be used.
Note: FSSO and SAML user groups are not supported for now.
- To create a user: go to User & Authentication -> User Definition -> Create New -> Local User -> Enter a username + password -> for Two-factor choose 'none' -> Select Finish.
- Create user group: go to User & Authentication -> User Groups -> Create New -> Name, enter 'Firewall' and for members, choose 'select previously created', then select OK.
Note: The user group can be LDAP or Radius.
2. Web Filter profile:
Go to Security Profiles -> Web Filter -> Create New -> Name, FortiGuard Category Based Filter -> Select Category -> Authenticate.
For this example, social network is used.
After, select the user group created in point 1, define the time range for warning interval in hours, minutes and/or seconds. Select OK.
After, remember to select OK in the next screen to save the Web Filter Profile.
3. Firewall Policy:
Create a firewall policy and select the Web Filter 'WebAuth' profile created in point 2.
- Name: WebAuthTest.
- Incoming Interface: LAN.
- Outgoing Interface: WAN.
- Source: all.
- Destination: all.
- Service: all.
- NAT: Enabled.
- Web Filter: WebAuth.
- SSL Inspection: Certificate Inspection.
4. Test:
Open a web browser and try to reach any site belonging to a category such as Facebook. A certificate error may appear: to prevent this, install Fortinet_CA_SSL certificate as a trusted root certificate in the PC.
Select Proceed and authenticate with user credentials.
If authentication is successful, access will be allowed.
3. Log:
Go to Log & Report -> Events -> User Events.
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