How to create a snort content rule - Stack Overflow
Once you select custom.rules, you will be shown a | Chegg.com
Rule Options | Working with Snort Rules | InformIT
ASA FirePOWER Module User Guide for the ASA5506-X, ASA5506H-X, ASA5506W-X, ASA5508-X, and ASA5516-X, Version 5.4.1 - Understanding and Writing Intrusion Rules [Cisco Secure Firewall ASDM] - Cisco