2.3.18. decompression_failed_encrypted_file (ID:
05800025)
Default Severity
WARNING
Log Message
Decompression failed for file <filename>. The file is encrypted.
Explanation
The file could not be scanned by the anti-virus module since the
compressed file is encrypted with password protection. Since
anti-virus is running in audit mode, the data transfer will be allowed to
continue.
Gateway Action
allow_data
Recommended Action
Change Fail Mode parameter to deny if files that fail decompression
should be blocked.
Revision
1
Parameters
filename
[layer7_srcinfo]
[layer7_dstinfo]
Context Parameters
ALG Module Name
ALG Session ID
Connection
2.3.19. unknown_encoding (ID: 05800182)
Default Severity
WARNING
Log Message
SMTPALG: Content transfer encoding is unknown or not present
Explanation
Antivirus module cannot scan the attachment since the transfer
encoding is missing or unknown. Fail Mode is deny so data is blocked.
Gateway Action
block_data
Recommended Action
None.
Revision
1
Parameters
filename
unknown_content_transfer_encoding
sender_email_address
recipient_email_addresses:
Context Parameters
ALG Module Name
ALG Session ID
2.3.20. unknown_encoding (ID: 05800183)
Default Severity
WARNING
Log Message
SMTPALG: Content transfer encoding is unknown or not present.
Explanation
Antivirus module cannot scan the attachment since the transfer
2.3.19. unknown_encoding (ID:
05800182)
Chapter 2. Log Message Reference
145
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