Welcome to pfSense + ELK
You can view installation guide guide on 3ilson.org YouTube Channel .
Prerequisites
- Ubuntu Server v18.04+
- pfSense v2.4.4+ or OPNsense 19.1.1+
Preparation
1. Add Oracle Java Repository
sudo add-apt-repository ppa:linuxuprising/java
2. Download and install the public GPG signing key
wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
3. Download and install apt-transport-https package
sudo apt-get install apt-transport-https
4. Add Elasticsearch|Logstash|Kibana Repositories (version 6+)
echo "deb https://artifacts.elastic.co/packages/6.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-6.x.list
5. Update
sudo apt-get update
6. Install Java 8
sudo apt install oracle-java11-installer
Install
- Elasticsearch v6.6+ | Kibana v6.6+ | Logstash v6.6+
8. Install Elasticsearch|Kibana|Logstash
sudo apt-get install elasticsearch && sudo apt-get install kibana && sudo apt-get install logstash
Configure Kibana|v6.6+
9. Configure Kibana
sudo nano /etc/kibana/kibana.yml
10. Amend host file (/etc/kibana/kibana.yml)
server.port: 5601
server.host: "0.0.0.0"
Configure Logstash|v6.6+
11. Change Directory
cd /etc/logstash/conf.d
12. Download the following configuration files
sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/01-inputs.conf
sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/10-syslog.conf
sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/11-pfsense.conf
sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/30-outputs.conf
13. Make Patterns Folder
sudo mkdir /etc/logstash/conf.d/patterns
14. Navigate to Patterns Folder
cd /etc/logstash/conf.d/patterns/
15. Download the following configuration file
sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/pfsense_2_4_2.grok
16. Edit (10-syslog.conf)arkdown
sudo nano /etc/logstash/conf.d/10-syslog.conf
17. Revise/Update w/pfsense IP address (10-syslog.conf)
Change line 3; the "if [host]..." should point to your pfSense IP address
Change line 9 to point to your second PfSense IP address or comment out
18. Edit (11-pfsense.conf)
sudo nano /etc/logstash/conf.d/11-pfsense.conf
19. Resive/Update timezone
Change line 12 to the same timezone as your phSense configruation
_Note if the timezone is offset or mismatched, you may not see any logs_
20. Download and install the MaxMind GeoIP database
cd /etc/logstash
21. Download and install the MaxMind GeoIP database
sudo wget http://geolite.maxmind.com/download/geoip/database/GeoLite2-City.mmdb.gz
22. Download and install the MaxMind GeoIP database
sudo gunzip GeoLite2-City.mmdb.gz
Configure Services
Start Services on Boot as Services (you'll need to reboot or start manually to proceed)
sudo /bin/systemctl daemon-reload
sudo /bin/systemctl enable elasticsearch.service
sudo /bin/systemctl enable kibana.service
sudo /bin/systemctl enable logstash.service
Start Services Manually
sudo -i service elasticsearch start
sudo -i service kibana start
sudo -i service logstash start
Status
systemctl status elasticsearch.service
systemctl status kibana.service
systemctl status logstash.service
Troubleshooting
cat/nano/vi the files within this location to view Logstash logs