Hmm? All browsers, and curl, support Negotiate. There's support in many HTTP libraries for various languages as well. It's not universal though, that's for s

Hmm? All browsers, and curl, support Negotiate. There's support in many HTTP libraries for various languages as well. It's not universal though, that's for sure. At $WORK we have a [proprietary] client-side proxy to do Negotiate for apps that don't.