On 05/12/2019 20:17, Michael Tuexen wrote: >> - tried TFO but the server didn't take it up > I would expect on = 0. Excellent; that's the most-useful one to know. >> - server accepted the TFO cookie, but not the data that was on the SYN > I don't know. I can test it and report... Many thanks. No rush on that. -- Cheers, Jeremy