Locating Stateless Firewalls focuses on methods to discern between stateful and stateless firewalls. It discusses about how stateless firewalls can be further exploited due to possible misconfigurations and the result of RFC ambiguities.
You can download it from the following link: https://packetstormsecurity.com/files/download/72744/locating-firewalls.txt
Source: https://packetstormsecurity.com/files/72744/Locating-Stateless-Firewalls.html