Interpret command evidence

TASK
Distinguish configuration, name resolution, reachability, listening sockets and application behaviour from the fictional outputs.

1. Required results:

2. Relevant observations and unresolved facts:

3. Proposed narrow change and reasoning:

4. Positive tests (required access succeeds):

5. Negative tests (prohibited action is refused):

6. Changed fact: choose one requirement or input, then retest:

7. Conclusion and limits:

