# If you are running more than one instances of graylog2-server you have to select one of these

# instances as master. The master will perform some periodical tasks that non-masters won't perform.

is_master = true

# The auto-generated node ID will be stored in this file and read after restarts. It is a good idea

# to use an absolute file path here if you are starting graylog2-server from init scripts or similar.

node_id_file = /var/graylog/server/node-id

# You MUST set a secret to secure/pepper the stored user passwords here. Use at least 64 characters.

# Generate one by using for example: pwgen -N 1 -s 96

password_secret =

# The default root user is named 'admin'

#root_username = admin

# You MUST specify a hash password for the root user (which you only need to initially set up the

# system and in case you lose connectivity to your authentication backend)

# This password cannot be changed using the API or via the web interface. If you need to change it,

# modify it in this file.

# Create one by using for example: echo -n yourpassword | shasum -a 256

# and put the resulting hash value into the following line

root_password_sha2 =

# The email address of the root user.

# Default is empty

#root_email = ""

# The time zone setting of the root user.

# Default is UTC

#root_timezone = UTC

# Set plugin directory here (relative or absolute)

plugin_dir = plugin

# REST API listen URI. Must be reachable by other graylog2-server nodes if you run a cluster.

rest_listen_uri = http://127.0.0.1:12900/

# REST API transport address. Defaults to the value of rest_listen_uri. Exception: If rest_listen_uri

# is set to a wildcard IP address (0.0.0.0) the first non-loopback IPv4 system address is used.

# If set, his will be promoted in the cluster discovery APIs, so other nodes may try to connect on

# this address and it is used to generate URLs addressing entities in the REST API. (see rest_listen_uri)

# You will need to define this, if your Graylog server is running behind a HTTP proxy that is rewriting

# the scheme, host name or URI.

#rest_transport_uri = http://192.168.1.1:12900/

# Enable CORS headers for REST API. This is necessary for JS-clients accessing the server directly.

# If these are disabled, modern browsers will not be able to retrieve resources from the server.

# This is disabled by default. Uncomment the next line to enable it.

#rest_enable_cors = true

# Enable GZIP support for REST API. This compresses API responses and therefore helps to reduce

# overall round trip times. This is disabled by default. Uncomment the next line to enable it.

#rest_enable_gzip = true

# Enable HTTPS support for the REST API. This secures the communication with the REST API with

# TLS to prevent request forgery and eavesdropping. This is disabled by default. Uncomment the

# next line to enable it.

#rest_enable_tls = true

# The X.509 certificate file to use for securing the REST API.

#rest_tls_cert_file = /path/to/graylog2.crt

# The private key to use for securing the REST API.

#rest_tls_key_file = /path/to/graylog2.key

# The password to unlock the private key used for securing the REST API.

#rest_tls_key_password = secret

# The maximum size of a single HTTP chunk in bytes.

#rest_max_chunk_size = 8192

# The maximum size of the HTTP request headers in bytes.

#rest_max_header_size = 8192

# The maximal length of the initial HTTP/1.1 line in bytes.

#rest_max_initial_line_length = 4096

# The size of the execution handler thread pool used exclusively for serving the REST API.

#rest_thread_pool_size = 16

# The size of the worker thread pool used exclusively for serving the REST API.

#rest_worker_threads_max_pool_size = 16

# Embedded Elasticsearch configuration file

# pay attention to the working directory of the server, maybe use an absolute path here

#elasticsearch_config_file = /usr/local/etc/graylog/server/elasticsearch.yml

# Graylog will use multiple indices to store documents in. You can configured the strategy it uses to determine

# when to rotate the currently active write index.

# It supports multiple rotation strategies:

#   - "count" of messages per index, use elasticsearch_max_docs_per_index below to configure

#   - "size" per index, use elasticsearch_max_size_per_index below to configure

# valid values are "count", "size" and "time", default is "count"

rotation_strategy = count

# (Approximate) maximum number of documents in an Elasticsearch index before a new index

# is being created, also see no_retention and elasticsearch_max_number_of_indices.

# Configure this if you used 'rotation_strategy = count' above.

elasticsearch_max_docs_per_index = 20000000

# (Approximate) maximum size in bytes per Elasticsearch index on disk before a new index is being created, also see

# no_retention and elasticsearch_max_number_of_indices. Default is 1GB.

# Configure this if you used 'rotation_strategy = size' above.

#elasticsearch_max_size_per_index = 1073741824

# (Approximate) maximum time before a new Elasticsearch index is being created, also see

# no_retention and elasticsearch_max_number_of_indices. Default is 1 day.

# Configure this if you used 'rotation_strategy = time' above.

# Please note that this rotation period does not look at the time specified in the received messages, but is

# using the real clock value to decide when to rotate the index!

# Specify the time using a duration and a suffix indicating which unit you want:

#  1w  = 1 week

#  1d  = 1 day

#  12h = 12 hours

# Permitted suffixes are: d for day, h for hour, m for minute, s for second.

#elasticsearch_max_time_per_index = 1d

# Disable checking the version of Elasticsearch for being compatible with this Graylog release.

# WARNING: Using Graylog with unsupported and untested versions of Elasticsearch may lead to data loss!

#elasticsearch_disable_version_check = true

# Disable message retention on this node, i. e. disable Elasticsearch index rotation.

#no_retention = false

# How many indices do you want to keep?

elasticsearch_max_number_of_indices = 20

# Decide what happens with the oldest indices when the maximum number of indices is reached.

# The following strategies are availble:

#   - delete # Deletes the index completely (Default)

#   - close # Closes the index and hides it from the system. Can be re-opened later.

retention_strategy = delete

# How many Elasticsearch shards and replicas should be used per index? Note that this only applies to newly created indices.

elasticsearch_shards = 4

elasticsearch_replicas = 0

# Prefix for all Elasticsearch indices and index aliases managed by Graylog.

elasticsearch_index_prefix = graylog2

# Do you want to allow searches with leading wildcards? This can be extremely resource hungry and should only

# be enabled with care. See also: https://www.graylog.org/documentation/general/queries/

allow_leading_wildcard_searches = false

# Do you want to allow searches to be highlighted? Depending on the size of your messages this can be memory hungry and

# should only be enabled after making sure your Elasticsearch cluster has enough memory.

allow_highlighting = false

# settings to be passed to elasticsearch's client (overriding those in the provided elasticsearch_config_file)

# all these

# this must be the same as for your Elasticsearch cluster

#elasticsearch_cluster_name = graylog2

# you could also leave this out, but makes it easier to identify the graylog2 client instance

#elasticsearch_node_name = graylog2-server

# we don't want the graylog2 server to store any data, or be master node

#elasticsearch_node_master = false

#elasticsearch_node_data = false

# use a different port if you run multiple Elasticsearch nodes on one machine

#elasticsearch_transport_tcp_port = 9350

# we don't need to run the embedded HTTP server here

#elasticsearch_http_enabled = false

#elasticsearch_discovery_zen_ping_multicast_enabled = false

#elasticsearch_discovery_zen_ping_unicast_hosts = 192.168.1.203:9300

# Change the following setting if you are running into problems with timeouts during Elasticsearch cluster discovery.

# The setting is specified in milliseconds, the default is 5000ms (5 seconds).

#elasticsearch_cluster_discovery_timeout = 5000

# the following settings allow to change the bind addresses for the Elasticsearch client in graylog2

# these settings are empty by default, letting Elasticsearch choose automatically,

# override them here or in the 'elasticsearch_config_file' if you need to bind to a special address

# refer to http://www.elasticsearch.org/guide/en/elasticsearch/reference/0.90/modules-network.html

# for special values here

#elasticsearch_network_host =

#elasticsearch_network_bind_host =

#elasticsearch_network_publish_host =

# The total amount of time discovery will look for other Elasticsearch nodes in the cluster

# before giving up and declaring the current node master.

#elasticsearch_discovery_initial_state_timeout = 3s

# Analyzer (tokenizer) to use for message and full_message field. The "standard" filter usually is a good idea.

# All supported analyzers are: standard, simple, whitespace, stop, keyword, pattern, language, snowball, custom

# Elasticsearch documentation: http://www.elasticsearch.org/guide/reference/index-modules/analysis/

# Note that this setting only takes effect on newly created indices.

elasticsearch_analyzer = standard

# Batch size for the Elasticsearch output. This is the maximum (!) number of messages the Elasticsearch output

# module will get at once and write to Elasticsearch in a batch call. If the configured batch size has not been

# reached within output_flush_interval seconds, everything that is available will be flushed at once. Remember

# that every outputbuffer processor manages its own batch and performs its own batch write calls.

# ("outputbuffer_processors" variable)

output_batch_size = 500

# Flush interval (in seconds) for the Elasticsearch output. This is the maximum amount of time between two

# batches of messages written to Elasticsearch. It is only effective at all if your minimum number of messages

# for this time period is less than output_batch_size * outputbuffer_processors.

output_flush_interval = 1

# As stream outputs are loaded only on demand, an output which is failing to initialize will be tried over and

# over again. To prevent this, the following configuration options define after how many faults an output will

# not be tried again for an also configurable amount of seconds.

output_fault_count_threshold = 5

output_fault_penalty_seconds = 30

# The number of parallel running processors.

# Raise this number if your buffers are filling up.

processbuffer_processors = 5

outputbuffer_processors = 3

#outputbuffer_processor_keep_alive_time = 5000

#outputbuffer_processor_threads_core_pool_size = 3

#outputbuffer_processor_threads_max_pool_size = 30

# UDP receive buffer size for all message inputs (e. g. SyslogUDPInput).

#udp_recvbuffer_sizes = 1048576

# Wait strategy describing how buffer processors wait on a cursor sequence. (default: sleeping)

# Possible types:

#  - yielding

#     Compromise between performance and CPU usage.

#  - sleeping

#     Compromise between performance and CPU usage. Latency spikes can occur after quiet periods.

#  - blocking

#     High throughput, low latency, higher CPU usage.

#  - busy_spinning

#     Avoids syscalls which could introduce latency jitter. Best when threads can be bound to specific CPU cores.

processor_wait_strategy = blocking

# Size of internal ring buffers. Raise this if raising outputbuffer_processors does not help anymore.

# For optimum performance your LogMessage objects in the ring buffer should fit in your CPU L3 cache.

# Start server with --statistics flag to see buffer utilization.

# Must be a power of 2. (512, 1024, 2048, ...)

ring_size = 65536

inputbuffer_ring_size = 65536

inputbuffer_processors = 2

inputbuffer_wait_strategy = blocking

# Enable the disk based message journal.

message_journal_enabled = true

# The directory which will be used to store the message journal. The directory must me exclusively used by Graylog and

# must not contain any other files than the ones created by Graylog itself.

message_journal_dir = data/journal

# Journal hold messages before they could be written to Elasticsearch.

# For a maximum of 12 hours or 5 GB whichever happens first.

# During normal operation the journal will be smaller.

#message_journal_max_age = 12h

#message_journal_max_size = 5gb

#message_journal_flush_age = 1m

#message_journal_flush_interval = 1000000

#message_journal_segment_age = 1h

#message_journal_segment_size = 100mb

# Number of threads used exclusively for dispatching internal events. Default is 2.

#async_eventbus_processors = 2

# EXPERIMENTAL: Dead Letters

# Every failed indexing attempt is logged by default and made visible in the web-interface. You can enable

# the experimental dead letters feature to write every message that was not successfully indexed into the

# MongoDB "dead_letters" collection to make sure that you never lose a message. The actual writing of dead

# letter should work fine already but it is not heavily tested yet and will get more features in future

# releases.

dead_letters_enabled = false

# How many seconds to wait between marking node as DEAD for possible load balancers and starting the actual

# shutdown process. Set to 0 if you have no status checking load balancers in front.

lb_recognition_period_seconds = 3

# Every message is matched against the configured streams and it can happen that a stream contains rules which

# take an unusual amount of time to run, for example if its using regular expressions that perform excessive backtracking.

# This will impact the processing of the entire server. To keep such misbehaving stream rules from impacting other

# streams, Graylog limits the execution time for each stream.

# The default values are noted below, the timeout is in milliseconds.

# If the stream matching for one stream took longer than the timeout value, and this happened more than "max_faults" times

# that stream is disabled and a notification is shown in the web interface.

#stream_processing_timeout = 2000

#stream_processing_max_faults = 3

# Length of the interval in seconds in which the alert conditions for all streams should be checked

# and alarms are being sent.

#alert_check_interval = 60

# Since 0.21 the graylog2 server supports pluggable output modules. This means a single message can be written to multiple

# outputs. The next setting defines the timeout for a single output module, including the default output module where all

# messages end up.

#

# Time in milliseconds to wait for all message outputs to finish writing a single message.

#output_module_timeout = 10000

# Time in milliseconds after which a detected stale master node is being rechecked on startup.

#stale_master_timeout = 2000

# Time in milliseconds which Graylog is waiting for all threads to stop on shutdown.

#shutdown_timeout = 30000

# MongoDB Configuration

mongodb_useauth = false

#mongodb_user = grayloguser

#mongodb_password = 123

mongodb_host = 127.0.0.1

#mongodb_replica_set = localhost:27017,localhost:27018,localhost:27019

mongodb_database = graylog2

mongodb_port = 27017

# Raise this according to the maximum connections your MongoDB server can handle if you encounter MongoDB connection problems.

mongodb_max_connections = 100

# Number of threads allowed to be blocked by MongoDB connections multiplier. Default: 5

# If mongodb_max_connections is 100, and mongodb_threads_allowed_to_block_multiplier is 5, then 500 threads can block. More than that and an exception will be thrown.

# http://api.mongodb.org/java/current/com/mongodb/MongoOptions.html#threadsAllowedToBlockForConnectionMultiplier

mongodb_threads_allowed_to_block_multiplier = 5

# Drools Rule File (Use to rewrite incoming log messages)

# See: https://www.graylog.org/documentation/general/rewriting/

#rules_file = /usr/local/etc/graylog/server/rules.drl

# Email transport

#transport_email_enabled = false

#transport_email_hostname = mail.example.com

#transport_email_port = 587

#transport_email_use_auth = true

#transport_email_use_tls = true

#transport_email_use_ssl = true

#transport_email_auth_username = you@example.com

#transport_email_auth_password = secret

#transport_email_subject_prefix = [graylog2]

#transport_email_from_email = graylog2@example.com

# Specify and uncomment this if you want to include links to the stream in your stream alert mails.

# This should define the fully qualified base url to your web interface exactly the same way as it is accessed by your users.

#transport_email_web_interface_url = https://graylog2.example.com

# HTTP proxy for outgoing HTTP calls

#http_proxy_uri =

# Disable the optimization of Elasticsearch indices after index cycling. This may take some load from Elasticsearch

# on heavily used systems with large indices, but it will decrease search performance. The default is to optimize

# cycled indices.

#disable_index_optimization = true

# Optimize the index down to <= index_optimization_max_num_segments. A higher number may take some load from Elasticsearch

# on heavily used systems with large indices, but it will decrease search performance. The default is 1.

#index_optimization_max_num_segments = 1

# Disable the index range calculation on all open/available indices and only calculate the range for the latest

# index. This may speed up index cycling on systems with large indices but it might lead to wrong search results

# in regard to the time range of the messages (i. e. messages within a certain range may not be found). The default

# is to calculate the time range on all open/available indices.

#disable_index_range_calculation = true

# The threshold of the garbage collection runs. If GC runs take longer than this threshold, a system notification

# will be generated to warn the administrator about possible problems with the system. Default is 1 second.

#gc_warning_threshold = 1s

# Connection timeout for a configured LDAP server (e. g. ActiveDirectory) in milliseconds.

#ldap_connection_timeout = 2000

# https://github.com/bazhenov/groovy-shell-server

#groovy_shell_enable = false

#groovy_shell_port = 6789

# Enable collection of Graylog-related metrics into MongoDB

#enable_metrics_collection = false

# Disable the use of SIGAR for collecting system stats

#disable_sigar = false

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "log4j.dtd">

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">

    <appender name="FILE" class="org.apache.log4j.rolling.RollingFileAppender">

        <rollingPolicy class="org.apache.log4j.rolling.FixedWindowRollingPolicy" >

            <param name="activeFileName" value="/var/log/graylog/server.log" /> <!-- ADAPT -->

            <param name="fileNamePattern" value="/var/log/graylog/server.%i.log" /> <!-- ADAPT -->

            <param name="minIndex" value="1" /> <!-- ADAPT -->

            <param name="maxIndex" value="10" /> <!-- ADAPT -->

        </rollingPolicy>

        <triggeringPolicy class="org.apache.log4j.rolling.SizeBasedTriggeringPolicy">

            <param name="maxFileSize" value="5767168" /> <!-- ADAPT: For example 5.5MB in bytes -->

        </triggeringPolicy>

        <layout class="org.apache.log4j.PatternLayout">

            <param name="ConversionPattern" value="%d %-5p: %c - %m%n"/>

        </layout>

    </appender>

    <!-- Application Loggers -->

    <logger name="org.graylog2">

        <level value="info"/>

    </logger>

    <!-- this emits a harmless warning for ActiveDirectory every time which we can't work around :( -->

    <logger name="org.apache.directory.api.ldap.model.message.BindRequestImpl">

        <level value="error"/>

    </logger>

    <!-- Root Logger -->

    <root>

        <priority value="info"/>

        <appender-ref ref="FILE"/>

    </root>

</log4j:configuration>