Cisco Cisco Web Security Appliance S370 사용자 가이드

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The Web Security appliance helps your organization implement and enforce policies for 
accessing the web. When a policy blocks a user from a website, you can configure the 
appliance to notify the user why it blocked the URL request. Web users see a webpage that 
explains that they were blocked from accessing a website and why they were blocked. These 
pages are called end-user notification pages. The Web Proxy can display different end-user 
notification pages depending on the reason it blocked the URL request. You can use the 
provided end-user notification pages or define your own.
Configure end-user notification pages on the Security Services > End-User Notification page. 
Figure 12-1 shows where you configure end-user notification settings.
Figure 12-1 Security Services > End-User Notification Page
You can configure the following types of notification pages and settings:
• IronPort notification pages. The Web Proxy displays different, predefined notification 
pages depending on the reason for blocking the URL request. You can customize these 
pages. For example, you can use your own logo or add custom text. For more information 
about IronPort notification pages, see “Working With IronPort End-User Notification 
Pages” on page 242.
• User defined notification pages. You can configure the Web Proxy to redirect all HTTP 
end-user notification pages to a specific URL. The Web Proxy includes parameters in the 
redirected URL that explain the reasons for the block so the server in the redirected URL 
can customize the page it displays. For more information about user defined notification 
pages, see “Working with User Defined End-User Notification Pages” on page 249.
• End-user acknowledgement page. You can configure the Web Proxy to inform users that it 
is filtering and monitoring their web activity. The Web Proxy does this by displaying an