If the firewall allows outbound HTTPS or DNS, you can tunnel your scan through it.
Evading IDS, firewalls, and honeypots is a cat-and-mouse game. As hackers develop new evasion techniques, security professionals must stay ahead by implementing effective countermeasures. By understanding these techniques, we can improve our security posture and protect our networks from malicious activity. Ethical Hacking: Evading IDS
This article is for educational purposes only. Evading security controls without explicit written permission from the system owner is illegal. Always operate within the boundaries of a formal penetration testing agreement. and Honeypots Evading IDS