Unbound Log Parser

A modern, web-based tool for parsing and analyzing Unbound DNS server logs with intelligent error detection and highlighting.

Features

• Drag & Drop Interface: Simply drag your log files into the browser
• URL Fetching: Directly fetch logs from URLs like unboundtest.com links
• Multiple Log Formats: Supports various Unbound log formats including standard, syslog, and custom formats
• Smart Parsing: Automatically detects and categorizes log entries by severity
• Real-time Filtering: Filter logs by level (Error, Warning, Info, Debug)
• Search Functionality: Search through log entries with real-time highlighting
• Statistics Dashboard: View summary statistics of your log analysis
• Export Results: Export filtered results as JSON for further analysis
• Responsive Design: Works seamlessly on desktop and mobile devices
• CORS Proxy Support: Handles cross-origin requests for external log sources

Supported Log Formats

The parser recognizes several Unbound log formats:

1. Standard Format: timestamp [pid:thread] level: message
2. Alternative Format: timestamp level [pid:thread]: message
3. Simple Format: timestamp level: message
4. Syslog Format: Mon DD HH:MM:SS hostname unbound[pid]: level: message

Log Levels

• Error: Critical issues, failed operations, timeouts, connection failures
• Warning: Validation failures, DNSSEC issues, performance warnings
• Info: General operational messages, queries, responses, status updates
• Debug: Detailed debugging information (hidden by default)

Usage

File Upload Method

1. Open index.html in your web browser
2. Select the "Upload File" tab
3. Drag and drop your Unbound log file onto the upload area, or click to browse files

URL Fetching Method

1. Select the "Fetch from URL" tab
2. Enter a URL containing Unbound log data (e.g., https://unboundtest.com/m/A/example.com/ABC123)
3. Click "Fetch Log" to retrieve and parse the log data

Analysis Features

4. Use the filter controls to show/hide different log levels
5. Search for specific terms using the search box
6. View statistics in the summary dashboard
7. Export results for further analysis

Sample Log Entry

2024-07-02 10:15:25 [1234:1] warning: validation failure for example.com A IN
2024-07-02 10:15:26 [1234:2] error: failed to contact server 8.8.8.8#53
2024-07-02 10:15:27 [1234:1] info: response for example.com A IN

Development

This is a client-side application built with:

• HTML5 for structure
• CSS3 with modern features (Grid, Flexbox, Animations)
• Vanilla JavaScript (ES6+) for functionality

No server or build process required - simply open the HTML file in a modern web browser.

Browser Compatibility

• Chrome 60+
• Firefox 55+
• Safari 12+
• Edge 79+

File Structure

UnboundLogView/
├── index.html          # Main application interface
├── styles.css          # Styling and responsive design
├── script.js           # Log parsing and UI logic
├── README.md           # This file
└── .github/
    └── copilot-instructions.md  # Development guidelines

Contributing

When contributing to this project:

1. Maintain the existing code style and structure
2. Test with various Unbound log formats
3. Ensure responsive design principles are followed
4. Update documentation for new features

License

This project is open source and available under the MIT License.