Securing Device Access

Securing Device Access

1. Router

   • Single Router Approach
   • Defense-in-Depth Approach
   • DMZ Approach
   • Security
     • Physical
     • Operating System
     • Hardening

2. Management

   • Syslog
   • Configuring System Logging
   • SNMP
     • MIB
   • NTP
   • Device
     • Out-of-Band
     • In-Band Access

3. Discovery Protocols

   • CDP
   • LLDP

4. Cisco AutoSecure

   • Secure NTP
   • Secure SSH access
   • TCP intercept services
   • Cisco Express Forwarding (CEF)

5. Routing Protocol Spoofing

   • MD5
   • SHA