Mission 18

Permission review

Review sensitive fake SSH and web files with long listings and metadata.

Permissions and users
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Ops lab terminal Browser only
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learner@clairos:/home/learner $ Unix ops lab: type a command, press Enter
Lesson support

What to notice while you play.

Objective

Inspect sensitive file modes without modifying them.

Hint

Compare /etc/ssh/sshd_config and /srv/www/index.html.

Why it matters

Reviews find risky permissions before they become incidents.

Common mistakes
  • Changing sensitive files as a first step.
  • Ignoring owner/group labels.
Reference

Commands in this lesson.

ls [-la] [path]

List fake files and folders.

grep [-i] <text> <file>

Find literal text inside a file.

stat <path>

Show fake file details.