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POP3-Proxy: AntiVirus

If you have purchased and enabled the Gateway AntiVirus feature, you can configure the actions the POP3-proxy takes when a virus is found in an email message. You can also specify the actions the Firebox takes when an email message contains an attachment that the Firebox cannot scan.

When you enable Gateway AntiVirus, you must set the actions to be taken if a virus or error is found in an email message or attachment.

Screen shot of the POP3 Proxy Action Configuration dialog box, AntiVirus page

The options for antivirus actions are:

Allow

Allows the packet to go to the recipient, even if the content contains a virus.

Lock

Locks the attachment. This is a good option for files that cannot be scanned by the Firebox. A file that is locked cannot be opened easily by the user. Only the administrator can unlock the file. The administrator can use a different antivirus tool to scan the file and examine the content of the attachment. For information about how to unlock a file locked by Gateway AntiVirus, see Unlock a File Locked by Gateway AntiVirus.

Remove

Removes the attachment and allows the message through to the recipient.

If you set the configuration to allow attachments, your configuration is less secure.

File Scan

Gateway AntiVirus scans each file up to the kilobyte count you specify in the Limit scanning to first text box. Any additional bytes in the file are not scanned. This allows the proxy to partially scan very large files without a large effect on performance.

For information about the default and maximum scan limits for each Firebox model, see About Gateway AntiVirus Scan Limits.

See Also

About the POP3-Proxy

About Gateway AntiVirus

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