You can override the default mode when you configure policies. For example, if you set Symantec Web Gateway to monitoring mode, you can configure a policy that blocks Web sites.
Table: Comparison of blocking and monitoring modes
Depending on the network configuration, Symantec Web Gateway can block Web sites, phone-home attempts, and file downloads. When in blocking mode, Symantec Web Gateway also provides reports on user activity like monitoring mode. You must install Symantec Web Gateway in the inline network configuration to block file downloads.