Cisco ASA Netflow in Elasticsearch

Using Netflow, you can visualize your network traffic and use the collected data to analyze conections in case of troubles (which is what I use it for). All kinds of collectors are on the market, most paid applications, but why not use ELK for this and visualize your traffic using Kibana?

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Cisco ASA alerts and Kibana

KibanaToday we will be sending alerts from my Cisco ASA firewall to Kibana. As I was looking how to configure this, I found some examples of how to do this, but none of them really worked, so I started “hobbying” myself and created something that works really well.

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