DisclaimerĪs with every how-to’s, read through the entire thing before starting. It can be configured and upgraded through a web-based interface, and requires no knowledge of the underlying FreeBSD system to manage. It is installed on a physical computer or a virtual machine to make a dedicated firewall/router for a network. PfSense is an open source firewall/router computer software distribution based on FreeBSD. SHIELD is a commercial product, so you’ll have to pay for it. SHIELD contains a security API that lays on the top of the ELK stack and acts as a security layer. Kibana combined with SHIELD controls access to the control panel according to the need-to-know principle. ![]() In Kibana you can create customized control panels for various applications. Kibana is configurable so that the user can choose which data will be extracted from the Elasticsearch database and how they will be presented. The webpages can be used for system monitoring and can be updated in real-time. Kibana presents logdata to the user in graphical webpages. This makes Elasticsearch flexible, because the communication is not locked to Kibana. You can communicate with Elasticsearch’ database directly be sending requests in JSON-format. ![]() Elasticsearch uses Schema-free database-structure and all data is saved in a JSON-format. ElasticsearchĮlasticsearch is a search- and analyze tool based on Apache Lucene. Logstash accepts different types of traffic, applies a filter and transforms the logdata to JSON-format which is then sent to Elasticsearch for indexing and saving in a central database. Logstash continiously looks after (different types of) logdata which is presented (syslog, or FileBeat, or Netflow, ++) on specified ports. Kibana graphically presents logdata to the user in a webbrowser. Elasticsearch indexes and saves JSON-logdata in a central database. Logstash combines logdata from different sources to a joint Java Script Object Notation (JSON)-format.
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