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North American Network Operators Group

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Best Current Practices for Routing Protocol Security

  • From: Sean Donelan
  • Date: Wed Aug 14 13:24:59 2002


What are the best current practices ISPs use to maintain routing protocol
security?

1. None - May be acceptable in some environments
2. I don't tell anyone about my routing protocols
3. Firewalls protect me
4. Don't exchange routing information with external parties
5. Explicit routing neighbor assocations - passive-interface default
6. Address validation on all edge devices
7. Signed routing messages - MD5 or something else
8. Non-routed routing infrastructure - RFC1918 for core
9. Non-IP routing protocols - ISIS
10. Out-of-band route servers - SS7 here we come






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