CCNP 3 Minimizing Service Loss and Data Theft in a Campus Network
From Teknologisk videncenter
Contents
Understanding Switch Security Issues
Describing Unauthorized Access by Rogue Devices
Switch Attack Categories
- MAC layer attacks
- VLAN attacks
- Spoof attacks
- Switch device attacks
| MAC address Flooding | Port Security |
| VLAN Hooping | Tighten up trunk configurations and the nogotiation state |
| Attacks between devices on a common VLAN | Implement Private VLANS(PVLANs) |
| DHCP Spoofing | USe DHCP Snooping |
| Spanning tree compromises | Proactively configure the primary and backup root devices, Enable root guard |
| MAC Spoofing | Use DHCP Snooping. Port security. |
| ARP Spoofing | Use Dynamic ARP Inspection. DHCP Snooping, Port Security |
| CDP Manipulation | Diable CDP on al ports where it is not intentionally used. |
| SSH & Telnet attacks | Use SSHv2. Use Telnet with VTY ACLs |
