[Solved] In an SSH config file, what does the Host * entry mean? — Ans: It matches all hosts not matched by previous entries | Linux CLI

Linux CLI - SSH and Remote Access

In an SSH config file, what does the Host * entry mean?

AIt matches only hosts named literally '*'

BIt disables SSH connections to all hosts

CIt matches hosts with names starting with '*'

DIt matches all hosts not matched by previous entries

Step-by-Step Solution

Solution:

Step 1: Understand wildcard usage in Host entries
The asterisk (*) is a wildcard that matches any hostname.
Step 2: Placement of Host * in config
Host * matches all hosts not matched by earlier Host entries, acting as a default.
Final Answer:
It matches all hosts not matched by previous entries -> Option D
Quick Check:
Host * = Default catch-all [OK]

Quick Trick: Host * acts as a default for unmatched hosts [OK]

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In an SSH config file, what does the Host * entry mean?