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certificate expiration

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Efficient Ops

Nov 26, 2023 · Operations

Top Open‑Source Tools to Monitor HTTPS Certificate Expiration

This article reviews why HTTPS certificate expiration checks are often missed and introduces several open‑source monitoring tools—including blackbox_exporter, EaseProbe, uptime‑kuma, domain‑admin, and a simple shell script—to help operations teams ensure timely certificate renewal.

Open Source ToolsPrometheuscertificate expiration

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Top Open‑Source Tools to Monitor HTTPS Certificate Expiration

Efficient Ops

Mar 21, 2020 · Information Security

Why Did Apple Devices Show Certificate Errors on March 20, 2020?

In March 2020, Apple devices displayed security warnings because the HTTPS certificate for appleimap.163.com had expired due to NetEase Mail’s failure to renew it, highlighting how overlooked certificate management can disrupt services and underscoring the need for automated monitoring tools in large organizations.

AppleNetEaseautomated monitoring

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Why Did Apple Devices Show Certificate Errors on March 20, 2020?