IPv6 Security - Sharkfest
IPv6 Security - Sharkfest
IPv6 Security - Sharkfest
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Neighbor Discovery<br />
• Neighbor Discovery (ND)<br />
replaces ARP<br />
• Very widely used<br />
• Five ICMPv6 message types:<br />
1. Router Advertisement<br />
2. Router Solicitation<br />
3. Neighbor Advertisement<br />
4. Neighbor Solicitation<br />
5. Redirect<br />
• Vast potential for misuse<br />
1. This is who I am Router<br />
Atlanta<br />
2. Tell me about you<br />
3. This is who I am<br />
Host<br />
1<br />
4. Tell me about you<br />
Host<br />
1<br />
5. I know a better way<br />
Router<br />
Des Moines<br />
Router<br />
Atlanta<br />
Host<br />
2<br />
Host<br />
2<br />
Router<br />
Atlanta
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