TDLR:* The challenge had two stages* First, bypass the firewall by setting the SNI to public.frontline.cloud.flu.xxx but the HTTP host to secret.frontline.cloud.flu.xxx* Second, bypass the router via Socket.io request summgle
Detailed writeup:[https://fh4ntke.medium.com/fluxcloud-frontline-writeup-8e2dbf095d57](https://fh4ntke.medium.com/fluxcloud-frontline-writeup-8e2dbf095d57)