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KB-45669: SCP fails when transferring file larger that 1 GB using GSSAPI KEX with Centrify Enabled OpenSSH 8.2p1-

Authentication Service ,  

11 December,20 at 11:06 PM


When using Centrify Enabled OpenSSH 8.2p1- and attempting to transfer a file over 1 GB via SCP it fails when GSSAPIKeyExchange is enabled.  

The following error is seen:
ssh_dispatch_run_fatal: Connection to <ipAddress> port 22: Failed to init GSSAPI context


A change in the code for the stock version of OpenSSH-8.2p1 with the way GSSAPI sname was stored, caused an issue with Centrify Enabled OpenSSH when using GSSAPIKeyExchange for authentication.


Turn off GSSAPIKeyExchange on the client side in the /etc/centrifydc/ssh/ssh_config file by setting GSSAPIKeyExchange to no


This issue was resolved in a one-off for Centrify Infrastructure Services 2020 (CentrifyDC-openssh-8.2p1-5.7.0-220 and higher) and in the Centrify Infrastructure Services 2020.1 release.  If you need the one-off for the Centrify Infrastructure Services 2020 release, please contact Centrify Technical Support.