Huawei HCNP-Security-CISN (Huawei Certified Network Professional - Constructing Infrastructure of Security Network) H12-721 Question # 47 Topic 5 Discussion
H12-721 Exam Topic 5 Question 47 Discussion:
Question #: 47
Topic #: 5
The FTP network diagram is as follows. The FTP server wants to use the 21000 control port to provide external FTP services. The FTP client cannot access the FTP server.
A.
port mapping function is not used. The packets sent from the FTP client to the FTP server on port 21000 are ordinary packets and are not recognized as FTP packets.
B.
The firewall can only recognize the FTP traffic of port 21 and cannot identify the FTP traffic of port 21000.
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