Explore the implications of the return of the Routing Header in this 50-minute conference talk by Eric Vyncke at TROOPERS15. Delve into the potential security concerns and learn whether there is cause for alarm in the networking community. Gain insights into the latest developments in IPv6 routing and their impact on network security. Discover how this resurgence might affect network configurations and protocols. Equip yourself with the knowledge to assess and address potential vulnerabilities associated with the Routing Header's comeback.