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JN0-336 · Question #21

How does the SSL proxy detect if encryption is being used?

The correct answer is D. It looks at the destination port number. The SSL proxy can detect if encryption is being used by looking at the destination port number of the packet. If the port number is 443, then the proxy can assume that the packet is being sent over an encrypted connection. If the port number is different, then the proxy can…

SSL Proxy

Question

How does the SSL proxy detect if encryption is being used?

Options

  • AIt uses application identity services.
  • BIt verifies the length of the packet
  • CIt queries the client device.
  • DIt looks at the destination port number.

How the community answered

(52 responses)
  • A
    2% (1)
  • B
    6% (3)
  • C
    2% (1)
  • D
    90% (47)

Explanation

The SSL proxy can detect if encryption is being used by looking at the destination port number of the packet. If the port number is 443, then the proxy can assume that the packet is being sent over an encrypted connection. If the port number is different, then the proxy can assume that the packet is not encrypted. For more information, please refer to the Juniper Networks JNCIS-SEC Study Guide.

Topics

#SSL proxy#encryption detection#destination port#packet inspection

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