How can you verify if a remote port is open using the command line?

Problem Statement

Explanation

Use telnet or nc (netcat) to check connectivity to a remote port. If the port is open, the connection succeeds; otherwise, it times out. It’s often used to verify database or API endpoint availability.

Code Solution

SolutionRead Only

nc -zv 192.168.1.50 22

Practice Sets

This question appears in the following practice sets:

Networking, Firewalls & SSH Configuration

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How can you verify if a remote port is open using the command line?

Problem Statement

Explanation

Code Solution

Practice Sets

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How can you verify if a remote port is open using the command line?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which command lists all files including hidden ones in Linux?

Which command prints the current working directory path?

Which command moves you one directory up in Linux?

Which command combination creates and removes directories?

Which command moves files in Linux?

More from Linux & Shell Scripting

Master Interviews
Anywhere, Anytime