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Configuration Examples

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Configuration Examples

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The examples in this section show you how to configure Filebeat and build Logstash pipelines that parse:

Of course, the paths that you specify in the Filebeat config depend on the location of the logs you are harvesting. The examples show common default locations.

Apache 2 Logs

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Here are some configuration examples for shipping and parsing Apache 2 access and error logs.

Apache 2 Access Logs

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Example Filebeat config:

filebeat.prospectors:
- input_type: log
  paths:
    - /var/log/apache2/access.log*
    - /var/log/apache2/other_vhosts_access.log*
  exclude_files: [".gz$"]
output.logstash:
  hosts: ["localhost:5044"]

Example Logstash pipeline config:

input {
  beats {
    # The port to listen on for filebeat connections.
    port => 5044
    # The IP address to listen for filebeat connections.
    host => "0.0.0.0"
  }
}
filter {
   grok {
      match => { "message" => ["%{IPORHOST:[apache2][access][remote_ip]} - %{DATA:[apache2][access][user_name]} \[%{HTTPDATE:[apache2][access][time]}\] \"%{WORD:[apache2][access][method]} %{DATA:[apache2][access][url]} HTTP/%{NUMBER:[apache2][access][http_version]}\" %{NUMBER:[apache2][access][response_code]} %{NUMBER:[apache2][access][body_sent][bytes]}( \"%{DATA:[apache2][access][referrer]}\")?( \"%{DATA:[apache2][access][agent]}\")?",
        "%{IPORHOST:[apache2][access][remote_ip]} - %{DATA:[apache2][access][user_name]} \\[%{HTTPDATE:[apache2][access][time]}\\] \"-\" %{NUMBER:[apache2][access][response_code]} -" ] }
      remove_field => "message"
   }
   mutate {
      add_field => { "read_timestamp" => "%{@timestamp}" }
   }
   date {
      match => [ "[apache2][access][time]", "dd/MMM/YYYY:H:m:s Z" ]
      remove_field => "[apache2][access][time]"
   }
   useragent {
      source => "[apache2][access][agent]"
      target => "[apache2][access][user_agent]"
      remove_field => "[apache2][access][agent]"
   }
   geoip {
      source => "[apache2][access][remote_ip]"
      target => "[apache2][access][geoip]"
   }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
    document_type => "%{[@metadata][type]}"
  }
}

Apache 2 Error Logs

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Example Filebeat config:

filebeat.prospectors:
- input_type: log
  paths:
    - /var/log/apache2/error.log*
  exclude_files: [".gz$"]
output.logstash:
  hosts: ["localhost:5044"]

Example Logstash pipeline config:

input {
  beats {
    # The port to listen on for filebeat connections.
    port => 5044
    # The IP address to listen for filebeat connections.
    host => "0.0.0.0"
  }
}
filter {
   grok {
      match => { "message" => ["\[%{APACHE_TIME:[apache2][error][timestamp]}\] \[%{LOGLEVEL:[apache2][error][level]}\]( \[client %{IPORHOST:[apache2][error][client]}\])? %{GREEDYDATA:[apache2][error][message]}",
        "\[%{APACHE_TIME:[apache2][error][timestamp]}\] \[%{DATA:[apache2][error][module]}:%{LOGLEVEL:[apache2][error][level]}\] \[pid %{NUMBER:[apache2][error][pid]}(:tid %{NUMBER:[apache2][error][tid]})?\]( \[client %{IPORHOST:[apache2][error][client]}\])? %{GREEDYDATA:[apache2][error][message1]}" ] }
      pattern_definitions => {
        "APACHE_TIME" => "%{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{YEAR}"
      }
      remove_field => "message"
   }
   mutate {
      rename => { "[apache2][error][message1]" => "[apache2][error][message]" }
   }
   date {
      match => [ "[apache2][error][timestamp]", "EEE MMM dd H:m:s YYYY", "EEE MMM dd H:m:s.SSSSSS YYYY" ]
      remove_field => "[apache2][error][timestamp]"
   }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
    document_type => "%{[@metadata][type]}"
  }
}

MySQL Logs

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Here are some configuration examples for shipping and parsing MySQL error and slowlog logs.

MySQL Error Logs

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Example Filebeat config:

filebeat.prospectors:
- input_type: log
  paths:
    - /var/log/mysql/error.log*
    - /var/log/mysqld.log*
  exclude_files: [".gz$"]
output.logstash:
  hosts: ["localhost:5044"]

Example Logstash pipeline config:

input {
  beats {
    # The port to listen on for filebeat connections.
    port => 5044
    # The IP address to listen for filebeat connections.
    host => "0.0.0.0"
  }
}
filter {
   grok {
      match => { "message" => ["%{LOCALDATETIME:[mysql][error][timestamp]} (\[%{DATA:[mysql][error][level]}\] )?%{GREEDYDATA:[mysql][error][message]}",
        "%{TIMESTAMP_ISO8601:[mysql][error][timestamp]} %{NUMBER:[mysql][error][thread_id]} \[%{DATA:[mysql][error][level]}\] %{GREEDYDATA:[mysql][error][message1]}",
        "%{GREEDYDATA:[mysql][error][message2]}"] }
      pattern_definitions => {
        "LOCALDATETIME" => "[0-9]+ %{TIME}"
      }
      remove_field => "message"
   }
   mutate {
      rename => { "[mysql][error][message1]" => "[mysql][error][message]" }
   }
   mutate {
      rename => { "[mysql][error][message2]" => "[mysql][error][message]" }
   }
   date {
      match => [ "[mysql][error][timestamp]", "ISO8601", "YYMMdd H:m:s" ]
      remove_field => "[apache2][access][time]"
   }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
    document_type => "%{[@metadata][type]}"
  }
}

MySQL Slowlog

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Example Filebeat config:

filebeat.prospectors:
- input_type: log
  paths:
    - /var/log/mysql/mysql-slow.log*
    - /var/lib/mysql/hostname-slow.log
  exclude_files: [".gz$"]
  multiline:
    pattern: "^# User@Host: "
    negate: true
    match: after
output.logstash:
  hosts: ["localhost:5044"]

Example Logstash pipeline config:

input {
  beats {
    # The port to listen on for filebeat connections.
    port => 5044
    # The IP address to listen for filebeat connections.
    host => "0.0.0.0"
  }
}
filter {
   grok {
      match => { "message" => ["^# User@Host: %{USER:[mysql][slowlog][user]}(\[[^\]]+\])? @ %{HOSTNAME:[mysql][slowlog][host]} \[(IP:[mysql][slowlog][ip])?\](\s*Id:\s* %{NUMBER:[mysql][slowlog][id]})?\n# Query_time: %{NUMBER:[mysql][slowlog][query_time][sec]}\s* Lock_time: %{NUMBER:[mysql][slowlog][lock_time][sec]}\s* Rows_sent: %{NUMBER:[mysql][slowlog][rows_sent]}\s* Rows_examined: %{NUMBER:[mysql][slowlog][rows_examined]}\n(SET timestamp=%{NUMBER:[mysql][slowlog][timestamp]};\n)?%{GREEDYMULTILINE:[mysql][slowlog][query]}"] }
      pattern_definitions => {
        "GREEDYMULTILINE" => "(.|\n)*"
      }
      remove_field => "message"
   }
   date {
      match => [ "[mysql][slowlog][timestamp]", "UNIX" ]
   }
   mutate {
      gsub => ["[mysql][slowlog][query]", "\n# Time: [0-9]+ [0-9][0-9]:[0-9][0-9]:[0-9][0-9](\\.[0-9]+)?$", ""]
   }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
    document_type => "%{[@metadata][type]}"
  }
}

Nginx Logs

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Here are some configuration examples for shipping and parsing Nginx access and error logs.

Nginx Access Logs

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Example Filebeat config:

filebeat.prospectors:
- input_type: log
  paths:
    - /var/log/nginx/access.log*
  exclude_files: [".gz$"]
output.logstash:
  hosts: ["localhost:5044"]

Example Logstash pipeline config:

input {
  beats {
    # The port to listen on for filebeat connections.
    port => 5044
    # The IP address to listen for filebeat connections.
    host => "0.0.0.0"
  }
}
filter {
   grok {
      match => { "message" => ["%{IPORHOST:[nginx][access][remote_ip]} - %{DATA:[nginx][access][user_name]} \[%{HTTPDATE:[nginx][access][time]}\] \"%{WORD:[nginx][access][method]} %{DATA:[nginx][access][url]} HTTP/%{NUMBER:[nginx][access][http_version]}\" %{NUMBER:[nginx][access][response_code]} %{NUMBER:[nginx][access][body_sent][bytes]} \"%{DATA:[nginx][access][referrer]}\" \"%{DATA:[nginx][access][agent]}\""] }
      remove_field => "message"
   }
   mutate {
      rename => { "@timestamp" => "read_timestamp" }
   }
   date {
      match => [ "[nginx][access][time]", "dd/MMM/YYYY:H:m:s Z" ]
      remove_field => "[nginx][access][time]"
   }
   useragent {
      source => "[nginx][access][agent]"
      target => "[nginx][access][user_agent]"
      remove_field => "[nginx][access][agent]"
   }
   geoip {
      source => "[nginx][access][remote_ip]"
      target => "[nginx][access][geoip]"
   }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
    document_type => "%{[@metadata][type]}"
  }
}

Nginx Error Logs

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Example Filebeat config:

filebeat.prospectors:
- input_type: log
  paths:
    - /var/log/nginx/error.log*
  exclude_files: [".gz$"]
output.logstash:
  hosts: ["localhost:5044"]

Example Logstash pipeline config:

input {
  beats {
    # The port to listen on for filebeat connections.
    port => 5044
    # The IP address to listen for filebeat connections.
    host => "0.0.0.0"
  }
}
filter {
   grok {
      match => { "message" => ["%{DATA:[nginx][error][time]} \[%{DATA:[nginx][error][level]}\] %{NUMBER:[nginx][error][pid]}#%{NUMBER:[nginx][error][tid]}: (\*%{NUMBER:[nginx][error][connection_id]} )?%{GREEDYDATA:[nginx][error][message]}"] }
      remove_field => "message"
   }
   mutate {
      rename => { "@timestamp" => "read_timestamp" }
   }
   date {
      match => [ "[nginx][error][time]", "YYYY/MM/dd H:m:s" ]
      remove_field => "[nginx][error][time]"
   }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
    document_type => "%{[@metadata][type]}"
  }
}

System Logs

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Here are some configuration examples for shipping and parsing system logs.

System Authorization Logs

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Example Filebeat config:

filebeat.prospectors:
- input_type: log
  paths:
    - /var/log/auth.log*
    - /var/log/secure*
  exclude_files: [".gz$"]
  multiline:
    pattern: "^\\s"
    match: after
output.logstash:
  hosts: ["localhost:5044"]

Example Logstash pipeline config:

input {
  beats {
    # The port to listen on for filebeat connections.
    port => 5044
    # The IP address to listen for filebeat connections.
    host => "0.0.0.0"
  }
}
filter {
   grok {
      match => { "message" => ["%{SYSLOGTIMESTAMP:[system][auth][timestamp]} %{SYSLOGHOST:[system][auth][hostname]} sshd(?:\[%{POSINT:[system][auth][pid]}\])?: %{DATA:[system][auth][ssh][event]} %{DATA:[system][auth][ssh][method]} for (invalid user )?%{DATA:[system][auth][user]} from %{IPORHOST:[system][auth][ssh][ip]} port %{NUMBER:[system][auth][ssh][port]} ssh2(: %{GREEDYDATA:[system][auth][ssh][signature]})?",
               "%{SYSLOGTIMESTAMP:[system][auth][timestamp]} %{SYSLOGHOST:[system][auth][hostname]} sshd(?:\[%{POSINT:[system][auth][pid]}\])?: %{DATA:[system][auth][ssh][event]} user %{DATA:[system][auth][user]} from %{IPORHOST:[system][auth][ssh][ip]}",
               "%{SYSLOGTIMESTAMP:[system][auth][timestamp]} %{SYSLOGHOST:[system][auth][hostname]} sshd(?:\[%{POSINT:[system][auth][pid]}\])?: Did not receive identification string from %{IPORHOST:[system][auth][ssh][dropped_ip]}",
               "%{SYSLOGTIMESTAMP:[system][auth][timestamp]} %{SYSLOGHOST:[system][auth][hostname]} sudo(?:\[%{POSINT:[system][auth][pid]}\])?: \s*%{DATA:[system][auth][user]} :( %{DATA:[system][auth][sudo][error]} ;)? TTY=%{DATA:[system][auth][sudo][tty]} ; PWD=%{DATA:[system][auth][sudo][pwd]} ; USER=%{DATA:[system][auth][sudo][user]} ; COMMAND=%{GREEDYDATA:[system][auth][sudo][command]}",
               "%{SYSLOGTIMESTAMP:[system][auth][timestamp]} %{SYSLOGHOST:[system][auth][hostname]} groupadd(?:\[%{POSINT:[system][auth][pid]}\])?: new group: name=%{DATA:system.auth.groupadd.name}, GID=%{NUMBER:system.auth.groupadd.gid}",
               "%{SYSLOGTIMESTAMP:[system][auth][timestamp]} %{SYSLOGHOST:[system][auth][hostname]} useradd(?:\[%{POSINT:[system][auth][pid]}\])?: new user: name=%{DATA:[system][auth][user][add][name]}, UID=%{NUMBER:[system][auth][user][add][uid]}, GID=%{NUMBER:[system][auth][user][add][gid]}, home=%{DATA:[system][auth][user][add][home]}, shell=%{DATA:[system][auth][user][add][shell]}$",
               "%{SYSLOGTIMESTAMP:[system][auth][timestamp]} %{SYSLOGHOST:[system][auth][hostname]} %{DATA:[system][auth][program]}(?:\[%{POSINT:[system][auth][pid]}\])?: %{GREEDYMULTILINE:[system][auth][message]}"] }
      pattern_definitions => {
        "GREEDYMULTILINE"=> "(.|\n)*"
      }
      remove_field => "message"
   }
   date {
      match => [ "[system][auth][timestamp]", "MMM  d HH:mm:ss", "MMM dd HH:mm:ss" ]
   }
   geoip {
      source => "[system][auth][ssh][ip]"
      target => "[system][auth][ssh][geoip]"
   }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
    document_type => "%{[@metadata][type]}"
  }
}

Syslog

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Example Filebeat config:

filebeat.prospectors:
- input_type: log
  paths:
    - /var/log/messages*
    - /var/log/syslog*
  exclude_files: [".gz$"]
  multiline:
    pattern: "^\\s"
    match: after
output.logstash:
  hosts: ["localhost:5044"]

Example Logstash pipeline config:

input {
  beats {
    # The port to listen on for filebeat connections.
    port => 5044
    # The IP address to listen for filebeat connections.
    host => "0.0.0.0"
  }
}
filter {
   grok {
      match => { "message" => ["%{SYSLOGTIMESTAMP:[system][syslog][timestamp]} %{SYSLOGHOST:[system][syslog][hostname]} %{DATA:[system][syslog][program]}(?:\[%{POSINT:[system][syslog][pid]}\])?: %{GREEDYMULTILINE:[system][syslog][message]}"] }
      pattern_definitions => { "GREEDYMULTILINE" => "(.|\n)*" }
      remove_field => "message"
   }
   date {
      match => [ "[system][syslog][timestamp]", "MMM  d HH:mm:ss", "MMM dd HH:mm:ss" ]
   }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
    document_type => "%{[@metadata][type]}"
  }
}

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