Impish also works:
root@i1:~# saslpluginviewer | head | grep SPNEGO SCRAM-SHA-1 SCRAM-SHA-256 GS2-IAKERB GS2-KRB5 GSSAPI GSS-SPNEGO DIGEST-MD5 EXTERNAL CRAM-MD5 NTLM PLAIN LOGIN ANONYMOUS SCRAM-SHA-1 SCRAM-SHA-256 GS2-IAKERB GS2-KRB5 GSSAPI GSS-SPNEGO DIGEST-MD5 CRAM-MD5 NTLM PLAIN LOGIN ANONYMOUS
root@i1:~# ldapwhoami -Y GSS-SPNEGO SASL/GSS-SPNEGO authentication started SASL username: <email address hidden> SASL SSF: 256 SASL data security layer installed. u:INTEXAMPLE\Administrator
Impish also works:
root@i1:~# saslpluginviewer | head | grep SPNEGO
SCRAM-SHA-1 SCRAM-SHA-256 GS2-IAKERB GS2-KRB5 GSSAPI GSS-SPNEGO DIGEST-MD5 EXTERNAL CRAM-MD5 NTLM PLAIN LOGIN ANONYMOUS
SCRAM-SHA-1 SCRAM-SHA-256 GS2-IAKERB GS2-KRB5 GSSAPI GSS-SPNEGO DIGEST-MD5 CRAM-MD5 NTLM PLAIN LOGIN ANONYMOUS
root@i1:~# ldapwhoami -Y GSS-SPNEGO Administrator
SASL/GSS-SPNEGO authentication started
SASL username: <email address hidden>
SASL SSF: 256
SASL data security layer installed.
u:INTEXAMPLE\