QuestionQ238

Reconnaissance and Enumeration

A penetration tester needs to download sensitive files stored on the client’s file server and performs the following scan:

Question Image

Which TCP port should the penetration tester target next?

  • A 21
  • B 22
  • C 80
  • D 990
Explanation

TCP port 990 is assigned to FTPS, the FTP control service over TLS/SSL. Because it is open and FTPS is a file-transfer service, it is the relevant service for downloading files. The IANA service-name registry lists ftps on TCP port 990.

Learn more

Community Discussion

No comments yet. Be the first to start the discussion!