SSL Certificate Monitor

Check SSL certificate health for any domain — expiry, issuer, protocol version, and Subject Alternative Names.

Quick Start

python3 scripts/check_ssl.py example.com
python3 scripts/check_ssl.py example.com google.com github.com --warn-days 30
python3 scripts/check_ssl.py internal.host --port 8443 --json

Features

• Expiry check — days remaining with configurable warning threshold
• Multi-domain — check multiple domains in one command
• Certificate details — subject, issuer, protocol, serial number, SANs
• Error handling — detects DNS failures, timeouts, verification errors, refused connections
• Exit codes — 0 = all ok, 1 = warnings, 2 = expired or failed (useful for cron/CI)
• No dependencies — Python stdlib only

Options

Use Cases

• Daily cron job to monitor production domains
• Pre-deployment cert validation
• Audit all company domains in one pass
• CI/CD pipeline gate for cert health

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這個 Skill 質量不錯，能有效檢查 SSL 證書狀態。它支援多域名檢查，錯誤處理全面，輸出清晰直觀，還能生成 JSON 結果方便程式呼叫。沒有外部依賴，使用起來很省心。美中不足的是缺少測試用例，程式碼末尾有截斷現象，建議開發者補充完整以確保穩定性。對於需要監控證書過期時間的使用者來說，這是一個值得一試的工具。