anchor.diff:              proxy_set_header X-ProxyHost nginx.example.com;
               proxy_set_header X-ProxyPort 17590;
               proxy_set_header X-ProxyContextPath /;
  -            proxy_set_header X-ProxiedEntitiesChain $ssl_client_s_dn;
  +            proxy_set_header X-ProxiedEntitiesChain <$ssl_client_s_dn>;
           }
       }
   }
  
positive.code: 
  Ensure that the file has appropriate permissions for the nifi user and group.
  
  Refresh the browser page and the custom processor should now be available when adding a new Processor to your flow.
negative.code:             proxy_set_header X-ProxyHost $1;
              proxy_set_header X-ProxyPort 443;
              proxy_set_header X-ProxyContextPath /;
              proxy_set_header X-ProxiedEntitiesChain <$ssl_client_s_dn>;
          }
      }
  }
  