H12-722 Exam Dumps : Huawei Certified ICT Professional - Constructing Service Security Network (HCIP-Security-CSSN V3.0)

After the file decompression fails, the file will still be filtered. .

The application identification module can identify the type of application that carries the file.

Protocol decoding is responsible for analyzing the file data and file transmission direction in the data stream.

The file type recognition module is responsible for identifying the true type of the file and the file extension based on the file data

File filtering, content filtering and anti-virus detection cannot be performed when the file is damaged. At this time, the documents can be released or blocked according to business requirements.

When the file extension does not match, if the action is "Allow" or "Alarm", file filtering, content filtering and anti-virus are performed according to the file type

Detection.

When the number of compression layers of a file is greater than the configured "Maximum Decompression Layers", the firewall cannot filter the file.

When the file type cannot be recognized, file filtering, content filtering and anti-virus detection are not performed.

DF, bit is down, and MF bit is also 1 or Fragment Offset is not 0,

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DF bit is 023, MF bit is 1 or Fragment Offset is not 0,

DF bit is 0, and Fragment Offset + Length> 65535.

The DF bit is 1, and Fragment Ofset + Length <65535.