User guide
SmartDefense Categories
Chapter 11: Using SmartDefense 237
To allow a specific FTP command
1. In the Blocked Commands box, select the desired FTP command.
2. Click Accept.
The FTP command appears in the Allowed Commands box.
3. Click Apply.
The FTP command will be allowed, regardless of whether FTP command blocking is
enabled or disabled.
HTTP
This category allows you to configure various protections related to the HTTP protocol. It
includes the following:
• Header Rejection on page
237
• Worm Catcher on page
238
Header Rejection
Some exploits are carried in standard HTTP headers with custom values (for example, in
the Host header), or in custom HTTP headers. You can protect against such exploits by
rejecting HTTP requests that contain specific headers and header values.