[cifs-protocol] [REG:116052814221908] Validated-Writes of servicePrincipalNames
metze at samba.org
Fri Jan 13 14:19:19 UTC 2017
sorry for the long delay.
The difference I see is that you're doing this as administrator.
I'm talking about validated-writes done by an account on it's own
computer object. And that's what [MS-ADTS] 22.214.171.124.126.96.36.199
about, also see the parent section 188.8.131.52.3.1.1 Validated Writes
Can you please continue your reserach on this?
> Hello Stefan, simple tests at my end using a test domain controller shows that all of the following values are allowed by MS Windows domain controller. Before I propose any doc changes, can you confirm which domain controller you have used when you say "Testing against a Windows DC shows that **only** numeric characters are allowed after ':'" Did you mean to say the domain controller itself failed to add such SPN ? Or are you saying that it is the SQL Server that didn't find an SPN that has a nonnumeric character after ":" ?
> C:\Users\Administrator>setspn -A MSSQLSvc/myhost.379135DOM.LAB:1433 lvisser
> C:\Users\Administrator>setspn -A MSSQLSvc/myhost.379135DOM.LAB:MYINST1 lvisser
> C:\Users\Administrator>setspn -A MSSQLSvc/myhost.379135DOM.LAB/MYINST2 lvisser
> C:\Users\Administrator>setspn -l lvisser
> Registered ServicePrincipalNames for CN=lora visser,CN=Users,DC=379135DOM,DC=LAB:
> You can even have MSSQLSvc/myhost.379135DOM.LAB:8989797/MYINST2
> But ultimately, If the SPN does not match the string as constructed by the Service i.e. SQL Server in this case, authentication will fail.
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