How to Migrate from Snort 2 to Snort 3

Migrating from Snort 2 to Snort 3 requires you to switch the inspection engine of the threat defense device from Snort 2 to Snort 3.

Depending on your requirements, the tasks to complete the migration of your device from Snort 2 to Snort 3 is listed in the following table:


Step	Task	Links to Procedures
1	Enable Snort 3	Enable Snort 3 on an Individual Device Enable Snort 3 on Multiple Devices
2	Convert Snort 2 custom rules to Snort 3	Convert all Snort 2 Custom Rules across all Intrusion Policies to Snort 3 Convert Snort 2 Custom Rules of a Single Intrusion Policy to Snort 3
3	Synchronize Snort 2 rules with Snort 3	Synchronize Snort 2 Rules with Snort 3