Got some progress with protocol transition in #OpenSSH: if you login with any authentication mechanism that does not lead to creation of #Kerberos tickets, now you can configure your server to generate one on the user's behalf. This uses Services For User (S4U) extensions available in Active Directory and #FreeIPA implementations. There are few issues we still trying to address (and bugs found during this development) but it looks promising.

Couple demos in the next toots: