output {
  if "nessus" in [tags]{
    rabbitmq {
      key => "nessus"
      exchange => "nessus"
      exchange_type => "direct"
      user => "logstash"
      password => "yourbufferpassword"
      host => "buffer01"
      port => 5672
      durable => true
      persistent => true
    }
  }

}
