title: curl: (35) NSS: client certificate not found (nickname not specified) Centos 7
body: <p>i am trying to establish a connection to the server using server signed certificate but i keep getting this error whereas both the CA and certificate are ok. Any help is highly appreciated. thanks</p>
  
  <ul>
  <li>Initializing NSS with certpath: sql:/etc/pki/nssdb</li>
  <li>skipping SSL peer certificate verification</li>
  <li>NSS: client certificate not found (nickname not specified)</li>
  <li>NSS error -12227 (SSL_ERROR_HANDSHAKE_FAILURE_ALERT)</li>
  <li>SSL peer was unable to negotiate an acceptable set of security parameters.</li>
  <li>Closing connection 0
  curl: (35) NSS: client certificate not found (nickname not specified)</li>
  </ul>