[Solved] What security benefit does enabling user namespace remapping provide in Docker containers? — Ans: It isolates container root users from the host root user | Docker

Docker - Security

What security benefit does enabling user namespace remapping provide in Docker containers?

AIt increases container network speed

BIt isolates container root users from the host root user

CIt allows containers to share the host's user IDs

DIt disables SELinux enforcement inside containers

Step-by-Step Solution

Solution:

Step 1: Understand user namespaces
User namespaces map container user IDs to different host user IDs.
Step 2: Security implication
This mapping isolates the container's root user from the host's root, reducing risk if container is compromised.
Final Answer:
It isolates container root users from the host root user -> Option B
Quick Check:
Isolation of root privileges enhances security [OK]

Quick Trick: User namespace remapping isolates container root from host root [OK]

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