Content Filtering and Optimizing Scans
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ProSecure Unified Threat Management (UTM) Appliance
3. Click Apply to save your settings.
Email Content Filtering
The UTM provides several options to filter unwanted content from emails. You can filter
content from emails based on keywords in the subject line, file type of the attachment, and file
name of the attachment. You can also set an action to perform on emails with
password-protected attachments.
Several types of email blocking are available:
• Keyword blocking. You can specify words that, should they appear in the email subject
line, cause that email to be blocked by the UTM.
• Password-protected attachments. You can block emails based on password-protected
attachments such as .zip or .rar attachments.
• File extension blocking. You can block emails based on the extensions of attached files.
Such files can include executable files, audio and video files, and compressed files.
• File name blocking. You can block emails based on the names of attached files. Such
names can include, for example, names of known malware threat such as the Netsky
worm (which usually arrives as netsky.exe).
Subject The default subject line for the notification email is Malware detected! You can
change this subject line.
Message The warning message informs the sender, the recipient, or both about the name of
the malware threat. You can change the default message to include more
information.
Note: Make sure that you keep the %VIRUSINFO% metaword in a message to
enable the UTM to insert the correct malware information. In addition to the
%VIRUSINFO% metaword, you can insert the following metawords in your
customized message: %TIME%, %PROTOCOL%, %FROM%, %TO%,
%SUBJECT%, %FILENAME%, %ACTION%, %VIRUSNAME%.
Table 42. Email Anti-Virus screen settings (continued)
Setting Description
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