Elastic Stack 7 : Install Packetbeat2021/06/22

	Install Packetbeat that collects and analyze Network packets.
[1]	Install Packetbeat. Configure Elasticsearch repository before it.

[root@dlp ~]#

dnf -y install packetbeat

[2]	Configure basic settings and start Packetbeat.

[root@dlp ~]#

vi /etc/packetbeat/packetbeat.yml

# line 39 : set items to collect data

# if disable ICMPv4/ICMPv6, turn to false

# line 44 and later : many items are targeted as monitoring by default,

# but if not need, comment out the line [ports: ***]

packetbeat.protocols:
- type: icmp
  # Enable ICMPv4 and ICMPv6 monitoring. Default: false
  enabled: true

- type: amqp
  # Configure the ports where to listen for AMQP traffic. You can disable
  # the AMQP protocol by commenting out the list of ports.
  ports: [5672]

.....
.....

# line 159 : if use Kibana, uncomment and specify output host

# if SSL is enabled on Kibana, hostname should be the same with the hostname in certs

setup.kibana:
.....
  host: "https://dlp.srv.world:5601"

# line 190 : specify output host

# the default is localhost's Elasticsearch

# if output to Logstash, comment out Elasticsearch and uncomment logstash lines

output.elasticsearch:
  # Array of hosts to connect to.l
  hosts: ["localhost:9200"]

.....
.....

#output.logstash:
  # The Logstash hosts
  #hosts: ["localhost:5044"]

[root@dlp ~]#

vi /etc/packetbeat/packetbeat.reference.yml

# line 1791 : if use Kibana, uncomment and specify output host

# if SSL is enabled on Kibana, uncomment ssl related lines

# if your certs is self-siged one, ssl.verification_mode should be [none]

setup.kibana:

  # Kibana Host
  # Scheme and port can be left out and will be set to the default (http and 5601)
  # In case you specify and additional path, the scheme is required: http://localhost:5601/path
  # IPv6 addresses should always be defined as: https://[2001:db8::1]:5601
  host: "dlp.srv.world:5601"

  # Optional protocol and basic auth credentials.
  protocol: "https"
  #username: "elastic"
  #password: "changeme"

  # Optional HTTP Path
  #path: ""

  # Use SSL settings for HTTPS. Default is true.
  ssl.enabled: true

.....
.....

  # after very careful consideration. It is primarily intended as a temporary
  # diagnostic mechanism when attempting to resolve TLS errors; its use in
  # production environments is strongly discouraged.
  # The default value is full.
  ssl.verification_mode: none

[root@dlp ~]#

systemctl enable --now packetbeat

[3]	Verify status the data has been collected normally.

# index list

[root@dlp ~]#

curl localhost:9200/_cat/indices?v

health status index                               uuid                   pri rep docs.count docs.deleted store.size pri.store.size
green  open   .kibana_7.13.2_001                  zA_r0rrjT7OMUMVSGmRVfg   1   0       2100          184      2.8mb          2.8mb
green  open   .apm-custom-link                    d1-9Pkn-RXOu_qhMOanvVA   1   0          0            0       208b           208b
green  open   .kibana-event-log-7.13.2-000001     Y-rCmM6yTBKa9W5H1LeJ1g   1   0          1            0      5.6kb          5.6kb
green  open   .apm-agent-configuration            y3hQme2SQpGMtb64NLsNdA   1   0          0            0       208b           208b
green  open   .async-search                       WRLoMwCITRKD3C_BrFJ9bw   1   0         45            1     71.3kb         71.3kb
green  open   .kibana_task_manager_7.13.2_001     x6V232xKQLinqRedJRAbgw   1   0         10         3355    429.7kb        429.7kb
yellow open   test_index                          Vh0HutpLRciaMWX3pFo7Zg   1   1          1            0      5.5kb          5.5kb
yellow open   packetbeat-7.13.2-2021.06.22-000001 nYN59YPRQwGmDrMRXijZxA   1   1       1233            0      589kb          589kb
yellow open   sshd_fail-2021.06                   HiOI2ac-RzK2BiwQ_gb-VQ   1   1         28            0     54.4kb         54.4kb
yellow open   metricbeat-7.13.2-2021.06.22-000001 aVbbCHScQBujmT8JMRdRBw   1   1      10475            0      6.1mb          6.1mb

# document list on the index

[root@dlp ~]#

curl localhost:9200/packetbeat-7.13.2-2021.06.22-000001/_search?pretty

{
  "took" : 6,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1471,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "packetbeat-7.13.2-2021.06.22-000001",
        "_type" : "_doc",
        "_id" : "p6H3MXoB8xzJeutJy6Kv",
        "_score" : 1.0,
        "_source" : {
          "@timestamp" : "2021-06-22T04:26:00.000Z",
          "event" : {
            "start" : "2021-06-22T04:24:55.554Z",
            "end" : "2021-06-22T04:25:59.178Z",
            "duration" : 63624511845,
            "dataset" : "flow",
            "kind" : "event",
            "category" : [
              "network_traffic",
              "network"
            ],
.....
.....

[4]	If Kibana is running, it's possible to import data to sample Dashboards.

[root@dlp ~]#

packetbeat setup --dashboards

Loading dashboards (Kibana must be running and reachable)
Loaded dashboards

Matched Content