Links to dowload both ES and LS are brokens. I'm not sure if it is just me or the download site
https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.2.2.zip
https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/zip/elasticsearch/2.4.4/elasticsearch-2.4.4.zip
https://download.elastic.co/elasticsearch/release/org/elasticsearch/plugin/delete-by-query/2.3.3/delete-by-query-2.3.3.zip
https://download.elastic.co/logstash/logstash/logstash-2.4.1.zip
None of the above works for me. Got HTTP ERROR 503.