User's Manual

Security Services
Web Reputation Filter
Cisco ISA500 Series Integrated Security Appliance Administrator Guide 230
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- Block all web traffic until web URL filter services are restored: If you
choose this option, all web traffic will be blocked until the Web URL Filter
services are restored, and displays the default blocked page. The default
blocked page will display a message to remind the user. You can edit the
message in the Block Message field.
- Allow all web traffic until web URL filter services are restored: If you
choose this option, all web traffic will be permitted until the Web URL
Filter services are restored.
• When a web page is blocked: Specify one of the following actions if a web
page is blocked:
- Use the default blocked page: Use the default blocked page if a web
page is blocked. The default blocked page will display a message such
as “Access of this website is blocked due to security policy
configurations on the security appliance”. You can edit the message in
the Block Message field.
- Redirect to this URL: Enter the URL to be redirected if a web page is
blocked.
STEP 3 Click Save to apply your settings.
Web Reputation Filter
The Web Reputation Filter service detects the web threats based on the
reputation score of a web page. Reputation scores range from -10 (bad) to +10
(good). Web pages with reputation scores below a specific threshold are
considered threats and blocked.
!
CAUTION Enabling Web Reputation Filter consumes additional system resources and may
impact the system performance. Go to the Status -> Dashboard page to view the
CPU and memory utilizations. To conserve the system resources, disable the
service when it is no longer needed.
STEP 1 Click Security Services -> Web Reputation Filter.
The Web Reputation Filter window opens.