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Top Forums UNIX for Advanced & Expert Users "Connection closed by remote host" while doing ssh to a solaris box Post 302374748 by jim mcnamara on Wednesday 25th of November 2009 10:42:12 AM
Old 11-25-2009
There is something wrong on the one system. You need to have the sysadmin turn on
a lot more logging - i.e., change the syslog.conf and sshd_conf (LogLevel settings) files for that one server.

Intermittent problems like this are painful to resolve sometimes. This is really a sysdmin issue, if things are as you describe. I doubt that you can do much to resolve it.
 

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heimdal_debug(5)					      BSD File Formats Manual						  heimdal_debug(5)

NAME
heimdal_debug -- how to turn on/off debugging for Kerberos tools DESCRIPTION
The heimdal_debug kerberos frameworks have several knobs for controlling logging. The different framework knobs are: libkrb The Kerberos library, some gss-api Kerberos output ends up here too kcm the kcm library (credentials cache, ntlm client) kdc the kerberos KDC output digest-service the digest service (ntlm server) CONFIGURATION FILE
[logging] <subsystem> = 0-/SYSLOG: and watch syslog for logging information. APPLE MAC OS X
First turn up syslog debugging sudo syslog -c 0 -d then you can see the syslog output in Console.app or by running syslog -w -k org.h5l.asl To enable more extensive debugging logging for each subsystem, use the following commands: Kerberos Library sudo defaults write /Library/Preferences/com.apple.Kerberos logging -dict-add krb5 '0-/ASL:' digest-server sudo defaults write /Library/Preferences/com.apple.Kerberos logging -dict-add digest-service '0-/ASL:' kcm sudo defaults write /Library/Preferences/com.apple.Kerberos logging -dict-add kcm '0-/ASL:' kdc sudo defaults write /Library/Preferences/com.apple.Kerberos logging -dict-add kdc '0-/ASL:' MIT Kerberos Shim defaults write com.apple.MITKerberosShim EnableDebugging -bool true GSS-API framework logging sudo defaults write /Library/Preferences/com.apple.GSS DebugLevel -int 10 Other options on Mac OS X Make the admin API pretend to the server even on client sudo defaults write /Library/Preferences/com.apple.Kerberos ForceHeimODServerMode -bool true SEE ALSO
gss(5), kerberos(8) HEIMDAL
Sep 30, 2011 HEIMDAL
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