Hi i've same problem of this thread : Filebeat Need Restart To send Logs but i doesn't see solution on that thread, so i've this filebeat.yml :
filebeat:
  prospectors:
    -
      paths:
      - /var/log/syslog
      - /var/log/auth.log
      - /var/log/maillog
      input_type: log
      document_type: syslog
      scan_frequency: 60s
    -
      paths:
      - /var/log/zimbra.log
      input_type: log
      document_type: postfix
      scan_frequency: 60s
    -
      paths:
      - /var/log/zimbra.log
      input_type: log
      document_type: postfix
      fields:
        tags: "saslauthd"
      scan_frequency: 60s
    -
      paths:
      - /var/log/zimbra.log
      input_type: log
      document_type: postfix
      fields:
        tags: "amavis"
      scan_frequency: 60s
    -
      paths:
      - /opt/zimbra/log/audit.log
      input_type: log
      document_type: zimbra_audit
      scan_frequency: 60s
    -
      paths:
      - /opt/zimbra/log/mailbox.log
      input_type: log
      document_type: zimbra_mailbox
      scan_frequency: 60s
  registry_file: /var/lib/filebeat/registry
############################# Output ##########################################
output:
  elasticsearch:
    hosts: ["localhost:9200"]
 ### Logstash as output
  logstash:
    # The Logstash hosts
    hosts: ["172.16.70.33:5044"]
    bulk_max_size: 1024
    tls:
      # List of root certificates for HTTPS server verifications
      certificate_authorities: ["/etc/pki/tls/certs/logstash-forwarder.crt"]
############################# Shipper #########################################
shipper:
############################# Logging #########################################
logging:
  to_syslog: false
  to_files: true
  files:
    path: /var/log/filebeat
    name: filebeat.log
    rotateeverybytes: 10485760 # = 10MB
    keepfiles: 7
  level: debug
but everytime i need to restart filebeat.
from log i see only this error :
2016/10/20 09:20:50.583052 client.go:297: DBG ES Ping(url=http://localhost:9200, timeout=1m30s)
2016/10/20 09:20:50.583929 client.go:302: DBG Ping request failed with: Head http://localhost:9200: dial tcp 127.0.0.1:9200: getsockopt: connection refused
i've elasticsearch installed on another server, same of logstash
can you help me?