You want to access a remote HTTP server on port 80 at web.remote.com, but your local port 80 is already in use. Which SSH command forwards remote port 80 to local port 8081 securely?

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Linux CLI - SSH and Remote Access

You want to access a remote HTTP server on port 80 at web.remote.com, but your local port 80 is already in use. Which SSH command forwards remote port 80 to local port 8081 securely?

Assh -L 8081:web.remote.com:80 user@web.remote.com

Bssh -R 8081:web.remote.com:80 user@web.remote.com

Cssh -L 80:web.remote.com:8081 user@web.remote.com

Dssh -R 80:web.remote.com:8081 user@web.remote.com

Step-by-Step Solution

Solution:

Step 1: Identify the forwarding direction
Forward remote port 80 to local port 8081 means local port forwarding (-L).
Step 2: Construct the command
Use ssh -L 8081:web.remote.com:80 user@web.remote.com to forward local port 8081 to remote port 80.
Step 3: Verify other options
Options with -R are remote forwarding, and swapping ports is incorrect.
Final Answer:
ssh -L 8081:web.remote.com:80 user@web.remote.com -> Option A
Quick Check:
Local port 8081 forwards to remote port 80 [OK]

Quick Trick: Use -L for local forwarding to unused local port [OK]

Common Mistakes:

Using -R instead of -L for local forwarding
Swapping local and remote ports
Trying to bind local port 80 when it's busy

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More Linux CLI Quizzes

You want to access a remote HTTP server on port 80 at web.remote.com, but your local port 80 is already in use. Which SSH command forwards remote port 80 to local port 8081 securely?

Step 1: Identify the forwarding direction

Step 2: Construct the command

Step 3: Verify other options

Final Answer:

Quick Check:

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