System Design · Senior · Question 44 of 75
Why are signed links to private files made short-lived?
- ✓Correct answer: A leaked link quickly stops working
- 2Short links load faster in the browser
- 3Storage services don't support links longer than a day
Explanation
A signed URL grants access without authorization to anyone who has it. An expiry of minutes limits the damage from forwarding or leaks via logs and Referer. For long-term access, new links are issued after a permission check.