This is running on a GCP platform. No proxy running between them.
which logs would help ?
Log Stash
>"9fde70bfe7e0f7819b37bb526d307516e560f30a102c6873c2cdb758ba5c54f2", hosts=>[//172.27.30.2:9200], document_type=>"%{[@metadata][tate=>true, tead_batch'"}]}}t=>false, retry_initial_interval=>2, retry_max_interval=>64, retry_on_conflict=>1, action=>"index", ssl_certificate_verification=>true, sniffing=>false, sniffing_delay=>5, timeout=>60, pool_max=>1000, pool_max_per_route=>100, resurrect_delay=>5, validate_after_inactivity=>10000, http_compression=>false>} [2018-12-19T21:02:41,152][INFO ][logstash.pipeline ] Starting pipeline {:pipeline_id=>"main", "pipeline.workers"=>2, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>50} [2018-12-19T21:02:41,811][INFO ][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=>{:removed=>, :added=>[http://172.27.30.2:9200/]}} [2018-12-19T21:02:42,089][WARN ][logstash.outputs.elasticsearch] Restored connection to ES instance {:url=>"http://172.27.30.2:9200/"} [2018-12-19T21:02:42,161][INFO ][logstash.outputs.elasticsearch] ES Output version determined {:es_version=>6} [2018-12-19T21:02:42,166][WARN ][logstash.outputs.elasticsearch] Detected a 6.x and above cluster: the type
event field won't be used to determine the document _type {:es_version=>6} [2018-12-19T21:02:42,209][INFO ][logstash.outputs.elasticsearch] New Elasticsearch output {:class=>"LogStash::Outputs::ElasticSearch", :hosts=>["//172.27.30.2:9200"]} [2018-12-19T21:02:42,258][INFO ][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=>{:removed=>, :added=>[http://172.27.30.2:9200/]}} [2018-12-19T21:02:42,273][WARN ][logstash.outputs.elasticsearch] Restored connection to ES instance {:url=>"http://172.27.30.2:9200/"} [2018-12-19T21:02:42,279][INFO ][logstash.outputs.elasticsearch] ES Output version determined {:es_version=>6} [2018-12-19T21:02:42,280][WARN ][logstash.outputs.elasticsearch] Detected a 6.x and above cluster: the type
event field won't be used to determine the document _type {:es_version=>6} [2018-12-19T21:02:42,285][INFO ][logstash.outputs.elasticsearch] Using mapping template from {:path=>nil} [2018-12-19T21:02:42,290][INFO ][logstash.outputs.elasticsearch] New Elasticsearch output {:class=>"LogStash::Outputs::ElasticSearch", :hosts=>["//172.27.30.2:9200"]} [2018-12-19T21:02:42,343][INFO ][logstash.outputs.elasticsearch] Attempting to install template {:manage_template=>{"template"=>"logstash-", "version"=>60001, "settings"=>{"index.refresh_interval"=>"5s"}, "mappings"=>{"default"=>{"dynamic_templates"=>[{"message_field"=>{"path_match"=>"message", "match_mapping_type"=>"string", "mapping"=>{"type"=>"text", "norms"=>false}}}, {"string_fields"=>{"match"=>"", "match_mapping_type"=>"string", "mapping"=>{"type"=>"text", "norms"=>false, "fields"=>{"keyword"=>{"type"=>"keyword", "ignore_above"=>256}}}}}], "properties"=>{"@timestamp"=>{"type"=>"date"}, "@version"=>{"type"=>"keyword"}, "geoip"=>{"dynamic"=>true, "properties"=>{"ip"=>{"type"=>"ip"}, "location"=>{"type"=>"geo_point"}, "latitude"=>{"type"=>"half_float"}, "longitude"=>{"type"=>"half_float"}}}}}}}} [2018-12-19T21:02:42,430][INFO ][logstash.outputs.elasticsearch] Installing elasticsearch template to _template/logstash [2018-12-19T21:02:43,071][INFO ][logstash.filters.geoip ] Using geoip database {:path=>"/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-filter-geoip-5.0.3-java/vendor/GeoLite2-City.mmdb"} [2018-12-19T21:02:43,291][INFO ][logstash.filters.geoip ] Using geoip database {:path=>"/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-filter-geoip-5.0.3-java/vendor/GeoLite2-City.mmdb"} [2018-12-19T21:02:43,787][INFO ][logstash.inputs.beats ] Beats inputs: Starting input listener {:address=>"0.0.0.0:5044"} [2018-12-19T21:02:43,800][INFO ][logstash.inputs.beats ] Beats inputs: Starting input listener {:address=>"0.0.0.0:5043"} [2018-12-19T21:02:43,829][INFO ][logstash.pipeline ] Pipeline started successfully {:pipeline_id=>"main", :thread=>"#<Thread:0x38d605ea run>"} [2018-12-19T21:02:43,969][INFO ][org.logstash.beats.Server] Starting server on port: 5044 [2018-12-19T21:02:43,974][INFO ][org.logstash.beats.Server] Starting server on port: 5043 [2018-12-19T21:02:44,039][INFO ][logstash.agent ] Pipelines running {:count=>1, :running_pipelines=>[:main], :non_running_pipelines=>} [2018-12-19T21:02:44,413][INFO ][logstash.agent ] Successfully started Logstash API endpoint {:port=>9600}`