PCNSA · Question #20
Based on the security policy rules shown, ssh will be allowed on which port?
The correct answer is C. 22. The standard and default port for SSH (Secure Shell) is port 22.
Question
Based on the security policy rules shown, ssh will be allowed on which port?
Options
- A80
- B53
- C22
- D23
How the community answered
(48 responses)- A2% (1)
- B4% (2)
- C92% (44)
- D2% (1)
Why each option
The standard and default port for SSH (Secure Shell) is port 22.
Port 80 is the standard port for HTTP (Hypertext Transfer Protocol), not SSH.
Port 53 is the standard port for DNS (Domain Name System) services, not SSH.
SSH, or Secure Shell, is a cryptographic network protocol for operating network services securely over an unsecured network, and its well-known port number is 22, which is the port typically allowed for SSH traffic in security policies.
Port 23 is the standard port for Telnet, which is an insecure protocol, not SSH.
Concept tested: Default port for SSH
Topics
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