Thanks to all who replied. The host causing this issue is a Solaris 10 box. The ssh_config is all commented out. Adding the SendEnv line causes an error
/etc/ssh/ssh_config: line 36: Bad configuration option: SendEnv /etc/ssh/ssh_config: terminating, 1 bad configuration options
SunOS uxfs01 5.10 Generic_142900-03 sun4v sparc SUNW,SPARC-Enterprise-T5220 Solaris
cat /etc/ssh/ssh_config "/etc/ssh/ssh_config" 34 lines, 1046 characters # Copyright (c) 2001 by Sun Microsystems, Inc. # All rights reserved. # # ident "@(#)ssh_config 1.2 01/10/08 SMI" # # This file provides defaults for ssh(1). # The values can be changed in per-user configuration files $HOME/.ssh/config # or on the command line of ssh(1).
# Configuration data is parsed as follows: # 1. command line options # 2. user-specific file # 3. system-wide file /etc/ssh/ssh_config # # Any configuration value is only changed the first time it is set. # host-specific definitions should be at the beginning of the # configuration file, and defaults at the end.
# Example (matches compiled in defaults): # # Host * # ForwardAgent no # ForwardX11 no # PubkeyAuthentication yes # PasswordAuthentication yes # FallBackToRsh no # UseRsh no # BatchMode no # CheckHostIP yes # StrictHostKeyChecking ask # EscapeChar ~ # SendEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES # SendEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT # SendEnv LC_IDENTIFICATION LC_ALL