📂 Upload Log File
Total Events
0
Unique IPs Banned
0
Top Jail
-
Most Banned IP
-
Bans Timeline (Last 24h / All Time)
Jail Distribution
Log Details
| Timestamp ↕ | Jail ↕ | Action ↕ | IP Address ↕ |
|---|
About This Tool
The Convert Fail2Ban Log to Readable Online tool is a powerful, client-side utility designed for system administrators and security professionals. Raw Fail2Ban logs can be dense and difficult to parse manually. This tool instantly transforms those cryptic text files into a clean, visual dashboard, helping you identify attack patterns, spot persistent threats, and audit your server's security posture without installing complex software.
How to Use
- Upload or Paste: Click "Upload Log File" to select your
fail2ban.logor paste the content directly into the text area. - Analyze: Click the "Analyze Log" button. The tool will parse the data locally in your browser.
- Explore: View the dashboard for high-level stats, check the timeline for attack spikes, and see the jail distribution.
- Filter & Export: Use the search bar to find specific IPs or jails, and use the "Export CSV" button to save the processed data.
Features & Tips
- 100% Private: All processing happens in your browser. Your server logs never leave your device.
- Visual Insights: Instantly see which jails (services) are being targeted the most.
- Timeline Analysis: Identify if attacks are happening at specific times of the day.
- Tip: Regular log analysis can help you tune your Fail2Ban filters (regex) to catch more intruders or reduce false positives.
Frequently Asked Questions
What log formats are supported?
We support the standard Fail2Ban log format (default configuration). It typically looks like:
YYYY-MM-DD HH:MM:SS,mmm fail2ban.actions [PID]: NOTICE [jail] Ban IP.
Is there a file size limit?
Since processing is done in your browser, performance depends on your device's memory. Files up to 10-20MB are usually processed instantly. Larger files may take a few seconds.
Can I use this offline?
Yes! You can save this HTML file to your computer and use it without an internet connection. It has no external dependencies.
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