The Graylog Blog
Security Log Monitoring and DNS Request Analysis
By using strategically placed sensors, Graylog’s content pack collects DNS logs guarantees interoperability with any DNS request, even if it is going to an unexpected DNS server or if it was blocked somewhere further down the path.
A practical approach to Open Source network security monitoring
We will take a look at how you can analyze network traffic data in order to detect network intrusions. Every phase of intrusion will leave traces and with the correct tools in place, you can detect these early on and take countermeasures.