https://blog.nviso.be/2017/03/10/developing-complex-suricata-rules-with-lua-part-1/
https://blog.nviso.be/2017/03/15/developing-complex-suricata-rules-with-lua-part-2/
https://github.com/KorayAgaya/SEPTun
https://elijahpaul.co.uk/monitoring-pfsense-2-1-logs-using-elk-logstash-kibana-elasticsearch/
http://www.505forensics.com/who-have-your-logs-been-talking-to/
#SNORT
http://www.fastfire.org/2015/12/18/visualize-pfsense-snort-logs-on-kibana/
https://discuss.elastic.co/t/logstash-snort-implementation/32386
http://www.fastfire.org/2015/12/18/visualize-pfsense-snort-logs-on-kibana/
#SURICATA
https://blog.reboost.net/suricata-on-pfsense-to-elk-stack/
http://nidofortified.blogspot.com.tr/2014/06/suricata-with-logstash-part-3-setup-and.html https://github.com/sysforensics/LogstashConfigs
S - Suricata IDPS - http://suricata-ids.org/
E - Elasticsearch - http://www.elasticsearch.org/overview/
L - Logstash - http://www.elasticsearch.org/overview/
K - Kibana - http://www.elasticsearch.org/overview/
S - Scirius - https://github.com/StamusNetworks/scirius
https://github.com/StamusNetworks/SELKS
#Logstash https://cinhtau.net/wp/tag/logstash/
https://blog.lanyonm.org/articles/2014/01/12/logstash-multiline-tomcat-log-parsing.html
https://www.loggly.com/docs/logstash-custom-parsing-loggly/
https://github.com/elastic/logstash/blob/v1.4.2/patterns/grok-patterns
http://grokdebug.herokuapp.com/
https://home.regit.org/2014/01/a-bit-of-logstash-cooking/
https://www.digitalocean.com/community/tutorials/how-to-troubleshoot-common-elk-stack-issues
%{WORD:hostname} %{WORD:action} %{WORD:attack} %{WORD} %{WORD:service_type}%{SPACE=:} %{GREEDYDATA:attack_type} [%{SPACE=)}]%{WORD} %{SPACE==} %{WORD:severity}%{DATA}%{DATA} %{IPV4:kaynak_ip}%{SPACE=:}%{INT:kaynak_port} %{SPACE=->} %{IPV4:hedef_ip}%{SPACE=:}%{INT:hedef_port} %{DATA} %{SPACE==} %{DATA}%{GREEDYDATA:result}[%{SPACE=)}]