I would log into cloudera, community support, and crest an issue. 

Cloudera support is extremely good and they can certainly help you get started. 

Vr 

Sent from my iPhone

> On Aug 18, 2023, at 1:58 AM, huacheng xian <[email protected]> wrote:
> 
> 
> Dear Nifi Team,
> 
> I am a user of Nifi and I am facing some issues that I hope you can help me 
> with. I have successfully installed Nifi on my local machine and can log in 
> to Nifi using localhost without any problems. However, I am unable to log in 
> when using a different address, such as my local network address. The error 
> message that I receive is “Unable to log in, Access Unknown: Certificate and 
> Token not found.”
> 
> Additionally, I have installed Nifi on a server and configured Nginx as a 
> reverse proxy. The server is configured with HTTPS and I have used my own CA 
> certificate. I have also made the necessary modifications to the 
> nifi.properties file, including the nifi.security.keystore and passwd 
> settings. However, when I try to access Nifi using the domain name, I still 
> encounter the same error message “Unable to log in, Access Unknown: 
> Certificate and Token not found.”
> 
> I have already installed the certificate on the client-side.
> 
> Given the above situation, I kindly request your assistance in providing any 
> suggestions or solutions to address the problems I am facing. Thank you very 
> much for your help.
> 
> Best regards

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