Log Samples

In our journey to comprehend the diverse world of system logs, let’s delve into these samples extracted from different systems. These examples aim to offer a glimpse into the log entries you might encounter in various scenarios. It’s crucial to remember that log formats can undergo modifications as products evolve over time. Furthermore, it’s worth noting that these samples do not encompass all potential events from a specific log source. They serve as illustrative representations of the possible content within a certain category of system logs.

As we proceed, keep in mind that these logs provide a foundation for understanding how different systems record events. However, the actual logs you encounter could present a broader range of event types and variations. Stay open to the dynamic nature of log formats, and let’s explore the rich landscape of system logging together.

This post is part of the Log investigation series. See the first post here.

Apache Access Logs


VPN Connection Logs


DNS Resolver Logs


IPS Logs


WAF Logs


Web Firewall Logs

About the author

I’m Job Asiimwe, The Digital Sentinel is my online moniker. I am a seasoned cybersecurity product and people leader with deep experience leading advanced engineering teams, building high-performing SOCs, and driving strategic cybersecurity initiatives across global enterprises. I am passionate about automation, AI in security, Cloud security, and transforming SOC capabilities to meet emerging threats. I also teach cybersecurity, mentor entry-level analysts, and consult on cloud security, compliance, and incident response. This blog is where I share practical insights for practitioners, leaders, and anyone navigating the evolving world of cyber defense.

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