isp-status – Feature Overview

Architecture

• Single-purpose monitoring appliance
• SQLite authoritative history backend
• Worst-state-per-minute model
• 5-minute rollups for long-range history
• Fully self-contained (no external service dependency)
• Extensive API to allow intergration into other systems such as PRTG
• Dedicated Client side view

Uplink Monitoring

• Forced-interface outbound probes
• Dual validation: ICMP + HTTPS
• NAT-aware gateway logic
• 3-state historical model (UP / DEGRADED / DOWN)
• Diagnostic-only UNREACHABLE state
• nocache.php integrity canary

Live View

• 60-minute, 1-minute resolution graph
• Data-plane usability only
• Control-plane (BGP) shown separately

Historical Analysis

• 24h, 72h, 7d, 30d, 90d views
• Daily summary percentages
• CSV export capability
• Deterministic padded graph rendering

Integrity & Health

• System health (CPU, RAM, disk, DB)
• History freshness validation
• Gap detection & largest-run detection
• Permission verification
• Troubleshooting event log
• Synthetic app-down state injection

Operations

• LAN/IP-restricted evidence downloads
• Full state bundle export (code + config + logs + DB optional)
• Systemd service integration
• Reverse-proxy friendly

Design Philosophy

• High Signal / Low Noise
• Control plane separated from data plane
• Clarity over complexity
• Operational truth surface