Filebeat not able to send logs to logstash (Filebeat fails to connect logstash)

Elastic Stack Beats
1

I'm using two servers on the cloud on one server (A) I installed filebeat and on second server (B) I have installed logstash, elasticsearch, and kibana. So I'm facing problem while sending logs from server A to server B on logstash.

My filebeat configuration is

filebeat.inputs:
- type: log
  enabled: true
  paths:
    - /home/vinit/demo/*.log
  fields:
    log_type: apache
  fields_under_root: true

#output.elasticsearch:
  #hosts: ["localhost:9200"]
  #protocol: "https"
  #username: "elastic"
  #password: "changeme"
 
output.logstash:
  hosts: ["XXX.XX.X.XXX:5044"]
  #ssl.certificate_authorities: ["/etc/pki/root/ca.pem"]
  #ssl.certificate: "/etc/pki/client/cert.pem"
  #ssl.key: "/etc/pki/client/cert.key"

In logstash, I have enabled modules system, filebeat, and logstash.

Logstash configuration is

input {
  beats {
    port => 5044
  }
}
filter {
        grok {
                match => { "message" => "^%{IP:CLIENT_IP} (?:-|%{USER:IDEN}) (?:-|%{USER:AUTH}) \[%{HTTPDATE:CREATED_ON}\] \"(?:%{WORD:REQUEST_METHOD} (?:/|%{NOTSPACE:REQUEST})(?: HTT$
                add_field => {
                        "LOG_TYPES" => "apache-log"
                }
        overwrite => [ "message" ]
        }
}
output {
        elasticsearch {
        hosts => ["localhost:9200"]
        manage_template => false
        index => "apache-info-log"
        }
  stdout { codec => rubydebug }
}

In Elasticsearch I did
. . .
network.host: localhost
. . .

I'm getting error are below-

|2019-01-18T15:05:47.738Z|INFO|crawler/crawler.go:72|Loading Inputs: 1|
|---|---|---|---|
|2019-01-18T15:05:47.739Z|INFO|log/input.go:138|Configured paths: [/home/vinit/demo/*.log]|
|2019-01-18T15:05:47.739Z|INFO|input/input.go:114|Starting input of type: log; ID: 10340820847180584185 |
|2019-01-18T15:05:47.740Z|INFO|log/input.go:138|Configured paths: [/var/log/logstash/logstash-plain*.log]|
|2019-01-18T15:05:47.740Z|INFO|log/input.go:138|Configured paths: [/var/log/logstash/logstash-slowlog-plain*.log]|
|2019-01-18T15:05:47.742Z|INFO|log/harvester.go:254|Harvester started for file: /home/vinit/demo/info-log.log|
|2019-01-18T15:05:47.749Z|INFO|log/input.go:138|Configured paths: [/var/log/auth.log* /var/log/secure*]|
|2019-01-18T15:05:47.763Z|INFO|log/input.go:138|Configured paths: [/var/log/messages* /var/log/syslog*]|
|2019-01-18T15:05:47.763Z|INFO|crawler/crawler.go:106|Loading and starting Inputs completed. Enabled inputs: 1|
|2019-01-18T15:05:47.763Z|INFO|cfgfile/reload.go:150|Config reloader started|
|2019-01-18T15:05:47.777Z|INFO|log/input.go:138|Configured paths: [/var/log/auth.log* /var/log/secure*]|
|2019-01-18T15:05:47.790Z|INFO|log/input.go:138|Configured paths: [/var/log/messages* /var/log/syslog*]|
|2019-01-18T15:05:47.790Z|INFO|input/input.go:114|Starting input of type: log; ID: 15514736912311113705 |
|2019-01-18T15:05:47.790Z|INFO|input/input.go:114|Starting input of type: log; ID: 4004097261679848995 |
|2019-01-18T15:05:47.791Z|INFO|log/input.go:138|Configured paths: [/var/log/logstash/logstash-plain*.log]|
|2019-01-18T15:05:47.791Z|INFO|log/input.go:138|Configured paths: [/var/log/logstash/logstash-slowlog-plain*.log]|
|2019-01-18T15:05:47.791Z|INFO|input/input.go:114|Starting input of type: log; ID: 2251543969305657601 |
|2019-01-18T15:05:47.791Z|INFO|input/input.go:114|Starting input of type: log; ID: 9013300092125558684 |
|2019-01-18T15:05:47.791Z|INFO|cfgfile/reload.go:205|Loading of config files completed.|
|2019-01-18T15:05:47.792Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/secure-20181223|
|2019-01-18T15:05:47.794Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/messages-20181223|
|2019-01-18T15:05:47.797Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/secure-20181230|
|2019-01-18T15:05:47.800Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/messages-20181230|
|2019-01-18T15:05:47.804Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/secure-20190106|
|2019-01-18T15:05:47.804Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/secure|
|2019-01-18T15:05:47.804Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/secure-20190113|
|2019-01-18T15:05:47.816Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/messages-20190106|
|2019-01-18T15:05:47.817Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/messages|
|2019-01-18T15:05:47.818Z|INFO|log/harvester.go:254|Harvester started for file: /var/log/messages-20190113|
|2019-01-18T15:05:47.855Z|INFO|pipeline/output.go:95|Connecting to backoff(async(tcp://XXX.XX.X.XXX:5044))|

|2019-01-18T15:06:18.855Z|ERROR|pipeline/output.go:100|Failed to connect to backoff(async(tcp://XXX.XX.X.XXX:5044)): dial tcp XXX.XX.X.XXX:5044: i/o timeout|
|---|---|---|---|
|2019-01-18T15:06:18.855Z|INFO|pipeline/output.go:93|Attempting to reconnect to backoff(async(tcp://XXX.XX.X.XXX:5044)) with 1 reconnect attempt(s)|

Is anyone have any idea how to resolve this and make it work?

2

From server A are you able to reach XXX.XX.X.XXX:5044? Maybe try running telnet XXX.XX.X.XXX 5044 on server A and see what happens?

3

@shaunak thanks for reply... When I'm executing telnet with ip and port so it's saying command telnet not found.

And nginx installed in server B for authorization login.

4

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