Known issues
- Levels 2-8: The "new" element must be to the left of the "established" element when they are used together.
- Level 8: The rules must be specified in the order requested, any other order will not work, even if it is logically identical.
Research
Sibylle Sehl and Kami Vaniea;
Permission Impossible: Teaching Firewall Configuration in a GAme Environment in the European Workshop on Usable Security, 2018.