Barracuda Networks Control Server Betriebsanweisung Seite 41

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Chapter 3 Managing the Barracuda Spam Firewall ■ 41
Using the Block/Accept Filters
Filtering by Body Contents
The BLOCK/ACCEPT-->Body Filtering page lets you filter messages based on the contents of a
message’s body.
The following table describes the parameters on this page. Click Save Changes after making any
changes to this page.
Note the following about content filtering:
■ You can enter multiple lines for each filter, but each line should contain one regular expression or
word. Each line is applied independently.
■ HTML comments and tags imbedded between characters in the HTML source are filtered out so
content filtering applies to the actual words as they appear when viewed in a web browser.
Filtering by Header Contents
The BLOCK/ACCEPT-->Header Filtering page lets you filter messages based on the contents of a
message’s header content.
The following table describes the parameters on this page. Click Save Changes after making any
updates to this page.
Note the following about content filtering:
■ You can enter multiple lines for each filter, but each line should contain one regular expression or
word. Each line is applied independently.
■ HTML comments and tags imbedded between characters in the HTML source are filtered out so
content filtering applies to the actual words as they appear when viewed in a web browser.
Filter Description
Message Content
Blocking
Enter the words, regular expressions, or characters that will cause a
message to be blocked if they appear in the message body.
Message Content
Quarantine
Enter the words, regular expressions, or characters that will cause a
message to be quarantined if they appear in the message body.
Message Content
Tagging
Enter the words, regular expressions, or characters that will cause a
message to be tagged if they appear in the message body.
Message Content
Whitelisting
Enter the words, regular expressions, or characters that will cause a
message to be whitelisted if they appear in the message body.
Filter Description
Header Blocking Enter the words, regular expressions, or characters that will cause a
message to be blocked if they appear in the email header.
Header Quarantine Enter the words, regular expressions, or characters that will cause a
message to be quarantined if they appear in the email header.
Header Tagging Enter the words, regular expressions, or characters that will cause a
message to be tagged if they appear in the email header.
Header Whitelisting Enter the words, regular expressions, or characters that will cause a
message to be whitelisted if they appear in the email header.
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