Could not get Kerberos ticket:%s.
Kerberos delegation server whitelist.
Include non-standard port in Kerberos SPN.
The klist command can also be used to purge Kerberos tickets.
Realm name cannot be empty when Kerberos is selected. Please fill them with correct values.
If the connection is secured by SSH, Kerberos, SSL, TLS,
or SRP, then the file transfer is also secure.
If the connection is secured by SSH, Kerberos, SSL, TLS,
or SRP, then the file transfer is also secure, automatically.
It's important that everything remain within 5 minutes of each other, otherwise Kerberos breaks and when that happens, everyone cries.