Oddbean new post about login | logout Is this what you're talking about? https://obsproject.com/forum/resources/how-to-set-up-your-own-private-rtmp-server-using-nginx.50/
Yes, I also wrote a basic long form article about it https://yakihonne.com/article/cloudfodder@rogue.earth/TrXZlULyCNDizT-mxGVDV nostr:naddr1qq24gujctfk92nregd8yg6t62skk67z82ez9vq3q0npj3gydmv40m70ehemmal6vsdyfl7tewgvz043g54p0x23y0s8qxpqqqp65wpsgl2v