← All Kali Issues
Yersinia
Protocol not available
C Configuration
Medium
🔴 Error Message
Selected protocol attack not supported
📖 What This Means
Protocol module missing or disabled.
🔧 Step-by-Step Fix
- Check available: yersinia -h
- Supports: STP, CDP, DTP, DHCP, IEEE 802.1Q
- Install full version: apt install yersinia