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15-6
AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide
Chapter 15 URL Filtering
Setting Up URL Filtering
Related Topics
• Redirecting URLs, page 14-5
• Taking Action Based on the Reputation or Category of URLs in Messages, page 15-7
Customizing the Appearance of End User Notification Page
Based on the evaluation by the Cisco Cloud Web Security proxy service, if the site is malicious, the end
user sees a notice that the site is malicious and access to it has been blocked. You can customize the
appearance of this notification page and display your organization’s branding such as company logo,
contact information, and so on.
Note If you do not customize the notification page, end user sees the Cisco branded notification page.
Before You Begin
• Review the characteristics of the Cisco Web Security Proxy End User Notification Page, page 15-5.
• Enable URL filtering. See Enable URL Filtering, page 15-2.
Procedure
Step 1 Select Security Services > Block Page Customization.
Step 2 Click Enable.
Step 3 Check the Enable Block Page customization check box and enter the following details:
• URL of the organization’s logo. It is recommended that the logo image is hosted on a publicly
accessible server.
• Organization’s name
• Organization’s contact information
Step 4 Choose the language of the notification. You can choose any one of the languages supported by the web
interface.
Note The default language of the end user's browser takes precedence over the language you have
selected here. Also, if the default language of the end user's browser is not supported by
AsyncOS, then the notification is displayed in the language you have selected here.
Step 5 (Optional) Preview the notification page by clicking Preview Block Page Customization link.
Step 6 Submit and commit your changes.
Next Steps
Set up URL rewriting in one of the following ways:
• Using Outbreak Filters. See Redirecting URLs, page 14-5.
• Using Content or Message Filters. See Taking Action Based on the Reputation or Category of URLs
in Messages, page 15-7.