I am using openssl for creating SSL certificate but I am unable to figure out 
which option(s) is required to make TLS supported certificate.
Could you please help me out on this. I am not aware much about these 
certificates and all?

Brajendra Mishra
Persistent Systems Ltd.

-----Original Message-----
From: Milan Das <m...@interset.com> 
Sent: Wednesday, May 23, 2018 5:21 PM
To: dev@nifi.apache.org; alopre...@apache.org
Subject: Re: How to run NiFi on HTTPS

Hi Bajendra,
TLS vs SSL is all depends on how you generate the SSL certificates.
If the SSL certificate is TLS 1.2 then JVM SSL protocol will use TLS.

Regards,
Milan
Sr. Architect-- Interset Inc

On 5/23/18, 7:40 AM, "Brajendra Mishra" <brajendra_mis...@persistent.com> 
wrote:

    Hi Andy,
    
    Thanks a lot for you valuable inputs. I could found the actual resolution 
after debugging the issue.
    Earlier I was using IBM java 8 instead of Oracle Java 8/open JDK 8, where 
SSLv3 Protocol is not enabled by default, hence I was facing this issue.
    
    Now I am able to see the NiFi UI securely but please let me know the way 
where I can run this nifi on TLS 1.0, 1.2 protocol instead of SSLv3 so I can 
use IBM Java 8 as well?
    
    Brajendra Mishra
    Persistent Systems Ltd.
    
    From: Andy LoPresto <alopre...@apache.org>
    Sent: Wednesday, May 23, 2018 4:16 AM
    To: dev@nifi.apache.org
    Subject: Re: How to run NiFi on HTTPS
    
    Apache NiFi does not support Basic Authentication in any scenario. There 
are multiple options for user authentication to the NiFi UI/API, including 
LDAP, Kerberos, client certificates, Apache Knox, and OpenID Connect. More 
details about configuring these options are available in the Admin Guide [1].
    
    As for your TLS error, my guess is that there is an error with the 
certificate you generated. The error “No overlapping cipher suites available” 
can occur when the certificate is expired or otherwise invalid, and all the 
available cipher suites require an RSA key for signing or encryption. To 
further debug this, you can use the OpenSSL s_client tool to attempt to make a 
connection via the command line, and enable the JSSE SSL debugging via a 
modification to bootstrap.conf. Once you restart, you should see additional 
TLS/SSL debug output in logs/nifi-bootstrap.conf.
    
    For us to be able to offer further advice, you’ll need to provide more 
information, like stacktraces from your logs, or the openssl output from 
examining the certificates. Images do not come through on the list, so please 
copy and paste text output instead. There are other possible explanations, such 
as OS-limited cipher suites available, older browser versions, etc. but these 
are much less common.
    
    Add this line to bootstrap.conf:
    
    java.arg.15=-Djavax.net.debug=ssl,handshake
    
    [1] 
https://nifi.apache.org/docs/nifi-docs/html/administration-guide.html#user_authentication
    
    
    Andy LoPresto
    alopre...@apache.org<mailto:alopre...@apache.org>
    alopresto.apa...@gmail.com<mailto:alopresto.apa...@gmail.com>
    PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4  BACE 3C6E F65B 2F7D EF69
    
    On May 22, 2018, at 5:53 AM, Brajendra Mishra 
<brajendra_mis...@persistent.com<mailto:brajendra_mis...@persistent.com>> wrote:
    
    Team I need to know the implementation of basic authentication with HTTPS 
as well.
    
    Brajendra Mishra
    Persistent Systems Ltd.
    
    From: Brajendra Mishra 
<brajendra_mis...@persistent.com<mailto:brajendra_mis...@persistent.com>>
    Sent: Tuesday, May 22, 2018 6:22 PM
    To: dev@nifi.apache.org<mailto:dev@nifi.apache.org>
    Subject: How to run NiFi on HTTPS
    
    Hi Team,
    
    I have used tlstoolkit to create required files (nifi.properties, keystore 
and truststore files) to run NiFi on HTTPS.
    I also configured successfully and ran the NiFi service correctly which 
show it is running on Https protocol.
    But once I tried to see its UI I am facing following error on all browsers 
(IE, Firefox and Chrome):
    
    "Secure Connection Failed - An error occurred during a connection to 
localhost:9090. Cannot communicate securely with peer: no common encryption 
algorithm(s). Error code: SSL_ERROR_NO_CYPHER_OVERLAP"
    
    [cid:image001.png@01D3F1F9.9EC1D450]
    
    Could you please let me know how can I see NiFi UI in this case? I have 
already tried all possible options (spread on internet) to get rid this issue 
on browsers but no luc
    
    
    Brajendra Mishra
    Persistent Systems Ltd.
    
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