On Wed, 3 Apr 2019, Adam Eijdenberg wrote: > On Wed, Apr 3, 2019 at 9:43 AM Damien Miller <djm@xxxxxxxxxxx> wrote: > > Could you try turning off IPQoS setting (ssh -oIPQoS=none ...) and seeing > > whether that makes any difference? > > Yes - setting -oIPQoS=none on the client allows for a successful > connection to the server. > > Would you still like me to check on the other things or is that enough > to go on with? No - it looks like a middlebox in Amazon's network might be getting confused when the DSCP value changes during the connection. Thanks a lot for helping to chase this down. Cheers, Damien _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev