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Le guide ELASTIFLOW

Debian Install

Elastic Stack Install

Paramètres requis

/etc/sysctl.d/70-elasticsearch.conf

echo "vm.max_map_count=262144" | sudo tee /etc/sysctl.d/70-elasticsearch.conf > /dev/null

Tunning Réseaux

/etc/sysctl.d/60-net.conf

echo -e "net.core.netdev_max_backlog=4096\nnet.core.rmem_default=262144\nnet.core.rmem_max=67108864\nnet.ipv4.udp_rmem_min=131072\nnet.ipv4.udp_mem=2097152 4194304 8388608" | sudo tee /etc/sysctl.d/60-net.conf > /dev/null

Modif Sans reboot (Option)

  sudo sysctl -w vm.max_map_count=262144 && \
  sudo sysctl -w net.core.netdev_max_backlog=4096 && \
  sudo sysctl -w net.core.rmem_default=262144 && \
  sudo sysctl -w net.core.rmem_max=67108864 && \
  sudo sysctl -w net.ipv4.udp_rmem_min=131072 && \
  sudo sysctl -w net.ipv4.udp_mem='2097152 4194304 8388608'

Règles de FireWall

sudo systemctl stop ufw.service && sudo systemctl disable ufw.service

Ports Utilisés

Elasticsearch	TCP/9200
Kibana	TCP/5601
Unified Flow Collector	UDP 9995 or other port(s) configured by EF_FLOW_SERVER_UDP_PORT

Install Package

sudo apt install -y apt-transport-https
sudo apt install -y unzip

Ajouter clé du repo

  wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -

Ajouter sources du Repo

 echo "deb https://artifacts.elastic.co/packages/7.x/apt stable main" | sudo tee /etc/apt/sources.list.d/elastic-7.x.list > /dev/null

Install

  sudo apt update && sudo apt install -y elasticsearch

JVM Param

Créer le fichier heap.options to /etc/elasticsearch/jvm.options.d et déclarer les valeurs -Xms et -Xmx en fonction de l'allocation de mémoire de votre système (4g pour le test)

echo -e "-Xms4g\n-Xmx4g" | sudo tee /etc/elasticsearch/jvm.options.d/heap.options > /dev/null

Des limites système accrues doivent être spécifiées dans un fichier d'attributs systemd pour le service elasticsearch:

sudo mkdir /etc/systemd/system/elasticsearch.service.d && \
  echo -e "[Service]\nLimitNOFILE=131072\nLimitNPROC=8192\nLimitMEMLOCK=infinity\nLimitFSIZE=infinity\nLimitAS=infinity" | \
  sudo tee /etc/systemd/system/elasticsearch.service.d/elasticsearch.conf > /dev/null

Générer des Certificats

sudo /usr/share/elasticsearch/bin/elasticsearch-certutil ca --pem

Faire enter au prompt (par defaut)

Le fichier résultant sera placé dans /usr/share/elasticsearch. Pour décompresser et déplacer la clé CA et le certificat vers /etc/elasticsearch/certs, exécutez les commandes suivantes:

 sudo mkdir /etc/elasticsearch/certs && \
sudo unzip /usr/share/elasticsearch/elastic-stack-ca.zip -d /etc/elasticsearch/certs

Pour générer des certificats pour le nœud Elasticsearch, créez un fichier nommé /usr/share/elasticsearch/instances.yml semblable au suivant. Remplacez les valeurs par celles qui conviennent à votre environnement:

instances:
  - name: "myhost" 
    ip: 
      - "Mon-IP"
    dns: 
      - "myhost.mydomain.com"   (la partie DNS n'est pas dans le test)

Genérer Certificats et Clé pour l'instance

 sudo /usr/share/elasticsearch/bin/elasticsearch-certutil cert --silent --in instances.yml --out certs.zip --pem --ca-cert /etc/elasticsearch/certs/ca/ca.crt --ca-key /etc/elasticsearch/certs/ca/ca.key

Décompresser le tout dans le bon repertoire: (elasticsearch/certs)

 sudo unzip /usr/share/elasticsearch/certs.zip -d /etc/elasticsearch/certs

Data Store

Par exemple, pour stocker des données sur /mnt/data0,
exécutez

sudo mkdir /mnt/data0/elasticsearch && sudo chown -R elasticsearch:elasticsearch /mnt/data0/elasticsearch

La modification de l'option path.data dans elasticsearch.yml en spécifiant ce chemin.

CONF elasticsearch.yml

/etc/elasticsearch/elasticsearch.yml

Defaut

cluster.name: elastiflow
 
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
 
bootstrap.memory_lock: true
 
network.host: 0.0.0.0
http.port: 9200
 
discovery.type: 'single-node'
 
indices.query.bool.max_clause_count: 8192
search.max_buckets: 250000
 
action.destructive_requires_name: 'true'
 
xpack.security.http.ssl.enabled: 'true'
xpack.security.http.ssl.verification_mode: 'none'
xpack.security.http.ssl.certificate_authorities: /etc/elasticsearch/certs/ca/ca.crt
xpack.security.http.ssl.key: /etc/elasticsearch/certs/debian-elastiflow/debian-elastiflow.key
xpack.security.http.ssl.certificate: /etc/elasticsearch/certs/debian-elastiflow/debian-elastiflow.crt
 
xpack.monitoring.enabled: 'true'
xpack.monitoring.collection.enabled: 'true'
xpack.monitoring.collection.interval: 30s
 
xpack.security.enabled: 'true'
xpack.security.audit.enabled: 'false'

(Note pour la partie SSL (key et certificat) il sera nécessaire de les copier à la mains si il n'y sont pas)

Activer et demarrer ElastiSearch

sudo systemctl daemon-reload && \
  sudo systemctl enable elasticsearch && \
  sudo systemctl start elasticsearch

Check Status

sudo systemctl status elasticsearch

Set Password pour tous les compte de services

 sudo /usr/share/elasticsearch/bin/elasticsearch-setup-passwords interactive

"Initiating the setup of passwords for reserved users elastic,apm_system,kibana,kibana_system,logstash_system,beats_system,remote_monitoring_user.
You will be prompted to enter passwords as the process progresses.
Please confirm that you would like to continue [y/N]"

User account: 
Changed password for user [apm_system]
Changed password for user [kibana_system]
Changed password for user [kibana]
Changed password for user [logstash_system]
Changed password for user [beats_system]
Changed password for user [remote_monitoring_user]
Changed password for user [elastic]

Vérifier l’état d' ElasticSearch:

curl -XGET -k "https://elastic:MyPasswd@127.0.0.1:9200"

Doit renvoyer:

{
  "name" : "myhost",
  "cluster_name" : "elastiflow",
  "cluster_uuid" : "S5Y3Z2USSq2sR2TyOkLe3A",
  "version" : {
    "number" : "7.17.0",
    "build_flavor" : "default",
    "build_type" : "deb",
    "build_hash" : "66b55ebfa59c92c15db3f69a335d500018b3331e",
    "build_date" : "2021-08-26T09:01:05.390870785Z",
    "build_snapshot" : false,
    "lucene_version" : "8.9.0",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

La tout est OK !

Install Kibana

 sudo apt update && sudo apt install -y kibana

Kibana utilise les memes cert qu'ElasticSearch (les copier)

<code bash>sudo cp -r /etc/elasticsearch/certs /etc/kibana</code>

Config Kibana.yml

(**/etc/kibana/kibana.yml**) \\

telemetry.enabled: false
telemetry.optIn: false
newsfeed.enabled: false
 
server.host: '0.0.0.0'
server.port: 5601
server.maxPayload: 8388608
server.publicBaseUrl: 'https://10.200.20.5:5601'
 
server.ssl.enabled: true
server.ssl.certificateAuthorities: /etc/kibana/certs/ca/ca.crt
server.ssl.key: /etc/kibana/certs/debian-elastiflow/debian-elastiflow.key
server.ssl.certificate: /etc/kibana/certs/debian-elastiflow/debian-elastiflow.crt
 
elasticsearch.hosts: ['https://10.200.20.5:9200']
elasticsearch.username: 'kibana_system'
elasticsearch.password: 'MyPasswd'
elasticsearch.ssl.certificateAuthorities: /etc/kibana/certs/ca/ca.crt
elasticsearch.ssl.key: /etc/kibana/certs/debian-elastiflow/debian-elastiflow.key
elasticsearch.ssl.certificate: /etc/kibana/certs/debian-elastiflow/debian-elastiflow.crt
elasticsearch.ssl.verificationMode: 'certificate'
 
elasticsearch.requestTimeout: 132000
elasticsearch.shardTimeout: 120000
 
kibana.autocompleteTimeout: 2000
kibana.autocompleteTerminateAfter: 500000
 
monitoring.enabled: true
monitoring.kibana.collection.enabled: true
monitoring.kibana.collection.interval: 30000
 
monitoring.ui.enabled: true
monitoring.ui.min_interval_seconds: 20
 
xpack.maps.showMapVisualizationTypes: true
 
xpack.security.enabled: true
xpack.security.audit.enabled: false
 
xpack.encryptedSavedObjects.encryptionKey: 'ElastiFlow_0123456789_0123456789_0123456789'

Demarrer et Activer Kibana

 sudo systemctl daemon-reload && \
    sudo systemctl enable kibana && \
    sudo systemctl start kibana

Check Status

  sudo systemctl status kibana

WEB ui : https://IP_OF_KIBANA_HOST:5601

Install ElastiFlow Unified Flow Collector

Download Package

wget https://elastiflow-packages.s3.amazonaws.com/flow-collector/flow-collector_5.5.2_linux_amd64.deb

Flowcoll Install

APT methode

<code bash>sudo apt install ./flow-collector_5.5.2_linux_amd64.deb</code>

DPKG methode

 sudo dpkg -i flow-collector_5.5.2_linux_amd64.deb

Contrôler que libpcap-dev est présent

sudo dpkg-query -l | grep libpcap-dev

Installer là si non présente!

Path : /etc/elastiflow
Conf du collecteur:

/etc/systemd/system/flowcoll.service.d/flowcoll.conf

Démarrer le collecteur

sudo systemctl daemon-reload && sudo systemctl start flowcoll.service

Contrôle du service

sudo systemctl status flowcoll.service

Commande de management

sudo systemctl stop flowcoll.service (start/stop/status)

Démarrage Auto au boot

sudo systemctl enable flowcoll.service

FICHIER DE CONF:

/etc/systemd/system/flowcoll.service.d/flowcoll.conf

copie des certificats

 sudo mkdir /etc/elastiflow/ca && \
    sudo cp /etc/elasticsearch/certs/ca/ca.crt /etc/elastiflow/ca

CONFIGURATION

#product documentation at https://docs.elastiflow.com
 
[Service]
Environment="EF_FLOW_ACCOUNT_ID=62c82xxxxxxxxxxxxxxxxxxx"
Environment="EF_FLOW_LICENSE_KEY=eyJhbGciOixxxxxxxxxxxxxxxxxxxxx"
Environment="EF_FLOW_LICENSED_UNITS=1"
 
Environment="EF_FLOW_LOGGER_LEVEL=info"
Environment="EF_FLOW_LOGGER_ENCODING=console"
Environment="EF_FLOW_LOGGER_FILE_LOG_ENABLE=true"
Environment="EF_FLOW_LOGGER_FILE_LOG_FILENAME=/var/log/elastiflow/flowcoll/flowcoll.log"
#Environment="EF_FLOW_LOGGER_FILE_LOG_MAX_SIZE=100"
#Environment="EF_FLOW_LOGGER_FILE_LOG_MAX_AGE="
#Environment="EF_FLOW_LOGGER_FILE_LOG_MAX_BACKUPS=4"
#Environment="EF_FLOW_LOGGER_FILE_LOG_COMPRESS=false"
 
Environment="EF_FLOW_SERVER_UDP_IP=0.0.0.0"
Environment="EF_FLOW_SERVER_UDP_PORT=2055,6343,9995"
Environment="EF_FLOW_SERVER_UDP_PACKET_STREAM_MAX_SIZE=4096"
Environment="EF_FLOW_SERVER_UDP_READ_BUFFER_MAX_SIZE=33554432"
 
Environment="EF_FLOW_DECODER_POOL_SIZE=1"
Environment="EF_FLOW_DECODER_SETTINGS_PATH=/etc/elastiflow"
 
#Environment="EF_FLOW_DECODER_IPFIX_ENABLE=true"
Environment="EF_FLOW_DECODER_NETFLOW1_ENABLE=true"
Environment="EF_FLOW_DECODER_NETFLOW5_ENABLE=true"
Environment="EF_FLOW_DECODER_NETFLOW6_ENABLE=true"
Environment="EF_FLOW_DECODER_NETFLOW7_ENABLE=true"
Environment="EF_FLOW_DECODER_NETFLOW9_ENABLE=true"
Environment="EF_FLOW_DECODER_SFLOW5_ENABLE=true"
Environment="EF_FLOW_DECODER_SFLOW_FLOWS_ENABLE=true"
#Environment="EF_FLOW_DECODER_SFLOW_FLOWS_KEEP_SAMPLES=false"
Environment="EF_FLOW_DECODER_SFLOW_COUNTERS_ENABLE=true"
 
Environment="EF_FLOW_DECODER_TRANSLATE_KEEP_IDS=all"
 
Environment="EF_FLOW_DECODER_ENRICH_IPADDR_METADATA_ENABLE=false"
#Environment="EF_FLOW_DECODER_ENRICH_IPADDR_METADATA_USERDEF_PATH=metadata/ipaddrs.yml"
#Environment="EF_FLOW_DECODER_ENRICH_IPADDR_METADATA_REFRESH_RATE=15"
 
Environment="EF_FLOW_DECODER_ENRICH_DNS_ENABLE=false"
Environment="EF_FLOW_DECODER_ENRICH_DNS_NAMESERVER_IP="
Environment="EF_FLOW_DECODER_ENRICH_DNS_NAMESERVER_TIMEOUT=3000"
#Environment="EF_FLOW_DECODER_ENRICH_DNS_RESOLVE_PRIVATE=true"
#Environment="EF_FLOW_DECODER_ENRICH_DNS_RESOLVE_PUBLIC=true"
#Environment="EF_FLOW_DECODER_ENRICH_DNS_USERDEF_PATH=hostname/user_defined.yml"
#Environment="EF_FLOW_DECODER_ENRICH_DNS_USERDEF_REFRESH_RATE=15"
#Environment="EF_FLOW_DECODER_ENRICH_DNS_INCLEXCL_PATH=hostname/incl_excl.yml"
#Environment="EF_FLOW_DECODER_ENRICH_DNS_INCLEXCL_REFRESH_RATE=15"
 
Environment="EF_FLOW_DECODER_ENRICH_MAXMIND_ASN_ENABLE=true"
Environment="EF_FLOW_DECODER_ENRICH_MAXMIND_ASN_PATH=maxmind/GeoLite2-ASN.mmdb"
 
Environment="EF_FLOW_DECODER_ENRICH_MAXMIND_GEOIP_ENABLE=true"
Environment="EF_FLOW_DECODER_ENRICH_MAXMIND_GEOIP_PATH=maxmind/GeoLite2-City.mmdb"
Environment="EF_FLOW_DECODER_ENRICH_MAXMIND_GEOIP_VALUES=city,country,country_code,location,timezone"
Environment="EF_FLOW_DECODER_ENRICH_MAXMIND_GEOIP_LANG=en"
Environment="EF_FLOW_DECODER_ENRICH_MAXMIND_GEOIP_INCLEXCL_PATH=maxmind/incl_excl.yml"
Environment="EF_FLOW_DECODER_ENRICH_MAXMIND_GEOIP_INCLEXCL_REFRESH_RATE=15"
 
Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_ASN_ENABLE=false"
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_ASN_ENDPOINT=https://api.passivetotal.org/v2/netflow/as/download"
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_ASN_REFRESH_INTERVAL=1440"
Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_THREAT_ENABLE=false"
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_THREAT_ENDPOINT=https://api.passivetotal.org/v2/netflow/blocklist/download"
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_THREAT_REFRESH_INTERVAL=1440"
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_THREAT_INCLEXCL_PATH=riskiq/incl_excl.yml"
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_THREAT_INCLEXCL_REFRESH_RATE=15"
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_API_USER="
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_API_KEY="
#Environment="EF_FLOW_DECODER_ENRICH_RISKIQ_API_TIMEOUT=180"
 
Environment="EF_FLOW_DECODER_ENRICH_ASN_PREF=lookup"
 
Environment="EF_FLOW_DECODER_ENRICH_NETIF_METADATA_ENABLE=false"
#Environment="EF_FLOW_DECODER_ENRICH_NETIF_METADATA_USERDEF_PATH=metadata/ipaddrs.yml"
#Environment="EF_FLOW_DECODER_ENRICH_NETIF_METADATA_REFRESH_RATE=15"
 
Environment="EF_FLOW_DECODER_ENRICH_NETIF_FLOW_OPTIONS_ENABLE=true"
 
Environment="EF_FLOW_DECODER_ENRICH_NETIF_SNMP_ENABLE=false"
#Environment="EF_FLOW_DECODER_ENRICH_NETIF_SNMP_PORT=161"
#Environment="EF_FLOW_DECODER_ENRICH_NETIF_SNMP_VERSION=2"
Environment="EF_FLOW_DECODER_ENRICH_NETIF_SNMP_COMMUNITIES=public"
#Environment="EF_FLOW_DECODER_ENRICH_NETIF_SNMP_TIMEOUT=2"
#Environment="EF_FLOW_DECODER_ENRICH_NETIF_SNMP_RETRIES=1"
 
Environment="EF_FLOW_DECODER_ENRICH_APP_CACHE_SIZE=8388608"
 
Environment="EF_FLOW_DECODER_ENRICH_APP_USERDEF_ENABLE=true"
Environment="EF_FLOW_DECODER_ENRICH_APP_USERDEF_PRIVATE=true"
Environment="EF_FLOW_DECODER_ENRICH_APP_USERDEF_PUBLIC=false"
Environment="EF_FLOW_DECODER_ENRICH_APP_USERDEF_PATH=settings/apps_user_defined.yml"
 
#Environment="EF_FLOW_DECODER_ENRICH_TOTALS_IF_NO_DELTAS=false"
 
#Environment="EF_FLOW_DECODER_ENRICH_SAMPLERATE_CACHE_SIZE=32768"
#Environment="EF_FLOW_DECODER_ENRICH_SAMPLERATE_USERDEF_ENABLE=false"
#Environment="EF_FLOW_DECODER_ENRICH_SAMPLERATE_USERDEF_PATH=settings/sample_rate.yml"
 
#Environment="EF_FLOW_DECODER_ENRICH_COMMUNITYID_ENABLE=true"
#Environment="EF_FLOW_DECODER_ENRICH_COMMUNITYID_SEED=0"
#Environment="EF_FLOW_DECODER_ENRICH_CONVERSATIONID_ENABLE=true"
#Environment="EF_FLOW_DECODER_ENRICH_CONVERSATIONID_SEED=0"
 
Environment="EF_FLOW_DECODER_ENRICH_JOIN_ASN=true"
Environment="EF_FLOW_DECODER_ENRICH_JOIN_GEOIP=true"
Environment="EF_FLOW_DECODER_ENRICH_JOIN_SEC=true"
Environment="EF_FLOW_DECODER_ENRICH_JOIN_NETATTR=true"
Environment="EF_FLOW_DECODER_ENRICH_JOIN_SUBNETATTR=true"
 
Environment="EF_FLOW_DECODER_DURATION_PRECISION=ms"
Environment="EF_FLOW_DECODER_TIMESTAMP_PRECISION=ms"
Environment="EF_FLOW_DECODER_PERCENT_NORM=100"
Environment="EF_FLOW_DECODER_ENRICH_EXPAND_CLISRV=true"
#Environment="EF_FLOW_DECODER_ENRICH_KEEP_CPU_TICKS=false"
 
#Environment="EF_FLOW_DECODER_ENRICH_DROP_FIELDS="
 
Environment="EF_FLOW_RECORD_STREAM_MAX_SIZE=8192"
 
# stdout
#Environment="EF_FLOW_OUTPUT_STDOUT_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_STDOUT_FORMAT=json_pretty"
 
# monitor
#Environment="EF_FLOW_OUTPUT_MONITOR_ENABLE=true"
#Environment="EF_FLOW_OUTPUT_MONITOR_INTERVAL=300"
 
# Elasticsearch
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_ENABLE=true"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_ECS_ENABLE=true"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_BATCH_DEADLINE=2000"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_BATCH_MAX_BYTES=8388608"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_TIMESTAMP_SOURCE=collect"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_PERIOD=daily"
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_SUFFIX="
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_DROP_FIELDS="
 
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_ENABLE=true"
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_OVERWRITE=true"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_SHARDS=1"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_REPLICAS=0"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_REFRESH_INTERVAL=10s"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_CODEC=best_compression"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_ILM_LIFECYCLE=elastiflow"
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_PIPELINE_DEFAULT=_none"
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_INDEX_TEMPLATE_PIPELINE_FINAL=_none"
 
# A comma separated list of Elasticsearch nodes to use. DO NOT include "http://" or "https://"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_ADDRESSES=127.0.0.1:9200"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_USERNAME=elastic"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_PASSWORD=MyPasswd"
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_CLOUD_ID="
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_API_KEY="
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_CLIENT_CA_CERT_FILEPATH="
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_CLIENT_CERT_FILEPATH="
#Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_CLIENT_KEY_FILEPATH="
 
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_TLS_ENABLE=true"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_TLS_SKIP_VERIFICATION=true"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_TLS_CA_CERT_FILEPATH=/etc/elastiflow/ca/ca.crt"
 
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_RETRY_ENABLE=true"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_RETRY_ON_TIMEOUT_ENABLE=true"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_MAX_RETRIES=3"
Environment="EF_FLOW_OUTPUT_ELASTICSEARCH_RETRY_BACKOFF=1000"
 
# OpenSearch
Environment="EF_FLOW_OUTPUT_OPENSEARCH_ENABLE=false"
Environment="EF_FLOW_OUTPUT_OPENSEARCH_ECS_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_BATCH_DEADLINE=2000"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_BATCH_MAX_BYTES=8388608"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_TIMESTAMP_SOURCE=end"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_PERIOD=daily"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_SUFFIX="
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_DROP_FIELDS="
 
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_ENABLE=true"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_OVERWRITE=true"
Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_SHARDS=1"
Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_REPLICAS=0"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_REFRESH_INTERVAL=10s"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_CODEC=best_compression"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_ISM_POLICY="
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_PIPELINE_DEFAULT=_none"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_INDEX_TEMPLATE_PIPELINE_FINAL=_none"
 
# A comma separated list of OpenSearch nodes to use. DO NOT include "http://" or "https://"
Environment="EF_FLOW_OUTPUT_OPENSEARCH_ADDRESSES=127.0.0.1:9200"
Environment="EF_FLOW_OUTPUT_OPENSEARCH_USERNAME=admin"
Environment="EF_FLOW_OUTPUT_OPENSEARCH_PASSWORD=admin"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_CLIENT_CA_CERT_FILEPATH="
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_CLIENT_CERT_FILEPATH="
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_CLIENT_KEY_FILEPATH="
 
Environment="EF_FLOW_OUTPUT_OPENSEARCH_TLS_ENABLE=false"
Environment="EF_FLOW_OUTPUT_OPENSEARCH_TLS_SKIP_VERIFICATION=false"
Environment="EF_FLOW_OUTPUT_OPENSEARCH_TLS_CA_CERT_FILEPATH="
 
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_RETRY_ENABLE=true"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_RETRY_ON_TIMEOUT_ENABLE=true"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_MAX_RETRIES=3"
#Environment="EF_FLOW_OUTPUT_OPENSEARCH_RETRY_BACKOFF=1000"
 
# Splunk
Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_CIM_ENABLE=false"
Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_ADDRESSES=127.0.0.1:8088"
Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_TOKEN="
#Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_BATCH_MAX_BYTES=8388608"
#Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_BATCH_DEADLINE=2000"
#Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_TLS_ENABLE=true"
#Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_TLS_SKIP_VERIFICATION=false"
#Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_TLS_CA_CERT_FILEPATH="
#Environment="EF_FLOW_OUTPUT_SPLUNK_HEC_DROP_FIELDS="
 
# Logz.io
Environment="EF_FLOW_OUTPUT_LOGZIO_ENABLE=false"
Environment="EF_FLOW_OUTPUT_LOGZIO_ADDRESSES=listener.logz.io:8070"
Environment="EF_FLOW_OUTPUT_LOGZIO_TOKEN="
#Environment="EF_FLOW_OUTPUT_LOGZIO_TIMESTAMP_SOURCE=end"
#Environment="EF_FLOW_OUTPUT_LOGZIO_BATCH_DEADLINE=2000"
#Environment="EF_FLOW_OUTPUT_LOGZIO_BATCH_MAX_BYTES=8388608"
#Environment="EF_FLOW_OUTPUT_LOGZIO_ECS_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_LOGZIO_TIMEOUT=30000"
#Environment="EF_FLOW_OUTPUT_LOGZIO_TLS_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_LOGZIO_DROP_FIELDS="
 
# Kafka
Environment="EF_FLOW_OUTPUT_KAFKA_ENABLE=false"
Environment="EF_FLOW_OUTPUT_KAFKA_BROKERS="
#Environment="EF_FLOW_OUTPUT_KAFKA_VERSION=1.0.0"
#Environment="EF_FLOW_OUTPUT_KAFKA_TOPIC=elastiflow-flow-codex"
#Environment="EF_FLOW_OUTPUT_KAFKA_PARTITION_KEY=flow.export.ip.addr"
#Environment="EF_FLOW_OUTPUT_KAFKA_CLIENT_ID=elastiflow-flowcoll"
#Environment="EF_FLOW_OUTPUT_KAFKA_RACK_ID="
#Environment="EF_FLOW_OUTPUT_KAFKA_TIMEOUT=30"
#Environment="EF_FLOW_OUTPUT_KAFKA_DROP_FIELDS="
 
Environment="EF_FLOW_OUTPUT_KAFKA_SASL_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_KAFKA_SASL_USERNAME="
#Environment="EF_FLOW_OUTPUT_KAFKA_SASL_PASSWORD="
 
#Environment="EF_FLOW_OUTPUT_KAFKA_TLS_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_KAFKA_TLS_CA_CERT_FILEPATH="
#Environment="EF_FLOW_OUTPUT_KAFKA_TLS_CERT_FILEPATH="
#Environment="EF_FLOW_OUTPUT_KAFKA_TLS_KEY_FILEPATH="
#Environment="EF_FLOW_OUTPUT_KAFKA_TLS_SKIP_VERIFICATION=false"
 
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_MAX_MESSAGE_BYTES=1000000"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_REQUIRED_ACKS=1"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_TIMEOUT=10"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_COMPRESSION=0"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_COMPRESSION_LEVEL=-1000"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_FLUSH_BYTES=1000000"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_FLUSH_MESSAGES=1024"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_FLUSH_FREQUENCY=500"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_FLUSH_MAX_MESSAGES=0"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_RETRY_MAX=3"
#Environment="EF_FLOW_OUTPUT_KAFKA_PRODUCER_RETRY_BACKOFF=100"
 
# Cribl
Environment="EF_FLOW_OUTPUT_CRIBL_ENABLE=false"
Environment="EF_FLOW_OUTPUT_CRIBL_ADDRESSES=127.0.0.1:10080"
Environment="EF_FLOW_OUTPUT_CRIBL_TOKEN="
#Environment="EF_FLOW_OUTPUT_CRIBL_BATCH_DEADLINE=2000"
#Environment="EF_FLOW_OUTPUT_CRIBL_BATCH_MAX_BYTES=8388608"
#Environment="EF_FLOW_OUTPUT_CRIBL_TLS_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_CRIBL_TLS_SKIP_VERIFICATION=false"
#Environment="EF_FLOW_OUTPUT_CRIBL_TLS_CA_CERT_FILEPATH="
#Environment="EF_FLOW_OUTPUT_CRIBL_DROP_FIELDS="
 
# RiskIQ
Environment="EF_FLOW_OUTPUT_RISKIQ_ENABLE=false"
#Environment="EF_FLOW_OUTPUT_RISKIQ_HOST="
#Environment="EF_FLOW_OUTPUT_RISKIQ_PORT="
#Environment="EF_FLOW_OUTPUT_RISKIQ_CUSTOMER_UUID="
#Environment="EF_FLOW_OUTPUT_RISKIQ_CUSTOMER_ENCRYPTION_KEY=" </nowiki>

Activer et Demarrer Unified Flow Collector:

sudo systemctl daemon-reload && \
    sudo systemctl enable flowcoll && \
    sudo systemctl start flowcoll

Check status:

sudo systemctl status flowcoll

Apres chaque modif de conf

sudo systemctl daemon-reload && sudo systemctl start flowcoll.service

IMPORTER LES OBJET KIBANA

7.14.x - 8.1.x	ECS	dark	kibana-7.14.x-ecs-dark.ndjson
7.14.x - 8.1.x	ECS	light	kibana-7.14.x-ecs-light.ndjson

https://raw.githubusercontent.com/elastiflow/elastiflow_for_elasticsearch/master/kibana/kibana-7.14.x-ecs-dark.ndjson
https://raw.githubusercontent.com/elastiflow/elastiflow_for_elasticsearch/master/kibana/kibana-7.14.x-ecs-light.ndjson

How to:
https://docs.elastiflow.com/docs/elastic_kibana

Pour la partie Geo IP

Ouvrir un compte sur maxmind.com.
Après l'enregistrement télécharger les mmdb City country et ASN

Puis les intégrer dans la conf

Dans /etc/elastiflow/

       - ca   (Certificats)
	- hostname (pour definir les host manuellement) 
	- maxmind   (fichier mmdb pour GeoIp)
	- metadata (pour definir la GeoIp manuellement)
	- riskiq (concerne la partie surface d'attaque)
	- settings (sert à l apartie app N° port )

My Personal Wiki

Table des matières

Le guide ELASTIFLOW

Debian Install

Elastic Stack Install

Paramètres requis

Tunning Réseaux

Modif Sans reboot (Option)

Règles de FireWall

Install Package

Ajouter sources du Repo

Install

JVM Param

Générer des Certificats

Genérer Certificats et Clé pour l'instance

Data Store

CONF elasticsearch.yml

Defaut

Activer et demarrer ElastiSearch

Check Status

Set Password pour tous les compte de services

Install Kibana

Config Kibana.yml

Demarrer et Activer Kibana

Check Status

Install ElastiFlow Unified Flow Collector

Download Package

Flowcoll Install

Démarrer le collecteur

Contrôle du service

Commande de management

Démarrage Auto au boot

copie des certificats

CONFIGURATION

IMPORTER LES OBJET KIBANA

Pour la partie Geo IP