If this can help, this is the log from Kibana when I try to log in
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{"type":"response","@timestamp":"2019-05-22T19:47:31Z","tags":[],"pid":1,"method":"get","statusCode":304,"req":{"url":"/built_assets/css/plugins/index_lifecycle_management/index.light.css","method":"get","headers":{"host":"100.64.127.59:32601","connection":"keep-alive","user-agent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36","accept":"text/css,*/*;q=0.1","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana","accept-encoding":"gzip, deflate","accept-language":"en-CA,en;q=0.9,fr-CA;q=0.8,fr;q=0.7","if-none-match":"\"103e524f50b788471409c6986e6ea5dae8d0fd66-/-gzip\""},"remoteAddress":"10.42.56.0","userAgent":"10.42.56.0","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana"},"res":{"statusCode":304,"responseTime":2,"contentLength":9},"message":"GET /built_assets/css/plugins/index_lifecycle_management/index.light.css 304 2ms - 9.0B"}
{"type":"response","@timestamp":"2019-05-22T19:47:31Z","tags":[],"pid":1,"method":"get","statusCode":304,"req":{"url":"/built_assets/css/plugins/license_management/index.light.css","method":"get","headers":{"host":"100.64.127.59:32601","connection":"keep-alive","user-agent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36","accept":"text/css,*/*;q=0.1","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana","accept-encoding":"gzip, deflate","accept-language":"en-CA,en;q=0.9,fr-CA;q=0.8,fr;q=0.7","if-none-match":"\"eb1fd43bca33019b0c410f729c251eee9d25b799-/-gzip\""},"remoteAddress":"10.42.56.0","userAgent":"10.42.56.0","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana"},"res":{"statusCode":304,"responseTime":1,"contentLength":9},"message":"GET /built_assets/css/plugins/license_management/index.light.css 304 1ms - 9.0B"}
{"type":"response","@timestamp":"2019-05-22T19:47:31Z","tags":[],"pid":1,"method":"get","statusCode":304,"req":{"url":"/built_assets/css/plugins/index_management/index.light.css","method":"get","headers":{"host":"100.64.127.59:32601","connection":"keep-alive","user-agent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36","accept":"text/css,*/*;q=0.1","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana","accept-encoding":"gzip, deflate","accept-language":"en-CA,en;q=0.9,fr-CA;q=0.8,fr;q=0.7","if-none-match":"\"edc7799b372a708926207162516f1d0a7490f2da-/-gzip\""},"remoteAddress":"10.42.56.0","userAgent":"10.42.56.0","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana"},"res":{"statusCode":304,"responseTime":1,"contentLength":9},"message":"GET /built_assets/css/plugins/index_management/index.light.css 304 1ms - 9.0B"}
{"type":"response","@timestamp":"2019-05-22T19:47:31Z","tags":[],"pid":1,"method":"get","statusCode":304,"req":{"url":"/built_assets/css/plugins/maps/index.light.css","method":"get","headers":{"host":"100.64.127.59:32601","connection":"keep-alive","user-agent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36","accept":"text/css,*/*;q=0.1","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana","accept-encoding":"gzip, deflate","accept-language":"en-CA,en;q=0.9,fr-CA;q=0.8,fr;q=0.7","if-none-match":"\"0f9f741abc5af302c2d61faaebed2e5f1bdf3e13-/-gzip\""},"remoteAddress":"10.42.56.0","userAgent":"10.42.56.0","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana"},"res":{"statusCode":304,"responseTime":1,"contentLength":9},"message":"GET /built_assets/css/plugins/maps/index.light.css 304 1ms - 9.0B"}
{"type":"response","@timestamp":"2019-05-22T19:47:31Z","tags":[],"pid":1,"method":"get","statusCode":304,"req":{"url":"/built_assets/css/plugins/ml/index.light.css","method":"get","headers":{"host":"100.64.127.59:32601","connection":"keep-alive","user-agent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36","accept":"text/css,*/*;q=0.1","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana","accept-encoding":"gzip, deflate","accept-language":"en-CA,en;q=0.9,fr-CA;q=0.8,fr;q=0.7","if-none-match":"\"fe4bd8b7b728abb8c5ede7f65108572518c636c9-/-gzip\""},"remoteAddress":"10.42.56.0","userAgent":"10.42.56.0","referer":"http://100.64.127.59:32601/login?next=%2Fapp%2Fkibana"},"res":{"statusCode":304,"responseTime":1,"contentLength":9},"message":"GET /built_assets/css/plugins/ml/index.light.css 304 1ms - 9.0B"}