Finally, an industrial-scale "Single Packet Authentication" implementation - https://www.theregister.com/2025/01/25/mysterious_backdoor_juniper_routers/ #security #backdoors #portknocking #singlepacketauthentication #SPA
Reminds me of my own "Why Not Use Port Knocking" (2012) https://nxdomain.no/~peter/why_not_use_port_knocking.html (part of the Hail Mary Cloud sequence, summarized at https://nxdomain.no/~peter/hailmary_lessons_learned.html)