On 6 March 2018 at 12:39, CLOSE Dave <Dave.Close@xxxxxxxxxxxxxxxxxx> wrote: > Trying to connect to a Dell iDRAC 6. The iDRAC reports it is running > OpenSSH 5.2. > > From Fedora Linux 20 with OpenSSH 6.4p1, connections succeed. > From Fedora Linux 23 with OpenSSH 7.2p2, connections succeed. > From Fedora Linux 27 with OpenSSH 7.6p1, connections fail prior to Compare the output of working and non-working configurations and pay particular attention to the key exchange algorithms and ciphers selected. > debug1: SSH2_MSG_KEX_DH_GEX_INIT sent > ... (long pause) > debug3: receive packet: type 1 > Received disconnect from (IP address) port 22:11: Logged out. I suspect your DRAC's CPU is to weedy to complete 8kbit Diffie-Hellman within a reasonable time and you're hitting some kind of timeout. You could try one of the smaller key exchange methods (eg ssh -vvv -o kexalgorithms=diffie-hellman-group14-sha1 yourdrac). > There must be a setting to accommodate this situation. I have no way to > upgrade the iDRAC nor to run with -ddd on it. As the vendor what's going on? -- Darren Tucker (dtucker at dtucker.net) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement. _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev