You can configure Symantec Web Gateway policies to scan file downloads from the Internet for malware such as spyware and viruses. The File and Active Content Detection setting for policies determines the Web browser download behavior. The Block and is not available for the port span/tap network configuration.
For both the Block or Monitor actions, if the download might take longer than a few seconds, Symantec Web Gateway displays a message in the user Web browser. The message indicates that Symantec Web Gateway is scanning the download. The contents of this patience page cannot be changed. However, you can change the language that is used on this page and the image that appears.
You may experience unexpected behavior on non-supported Web browsers.