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Solaris 11 gss creating non-stop LDAP authentication traffic

edited Jun 30, 2019 3:41AM in Oracle Solaris System Administration (MOSC) 2 commentsAnswered

I have several Solaris 11.4 servers.  They are configured for LDAP lookups and kerberos authentication (against active directory.)   The LDAP client authenticates to the AD servers via a proxy account not gss/SASL.   Servers are running NFS, with the shares protected with kerberos.       

One one server, logging and packet capture LDAP bind requests to the AD servers every few seconds, even after hours.

Disabling the ldapclient , nfs, samba or winbind services do not stop this unexpected traffic.   Disabling the gss service does stop the unexpected traffic.   My understanding is that GSS provides an abstraction layer between kerberos authentication services such as nfs and ssh.    I can't quite figure out if gss is making the calls to LDAP or if gss is triggering something else to make the calls.

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