Microsoft Edge inherits Chromium's TLS validation, including which CA roots it trusts, and uses the Windows certificate trust store. Map each error to its fix, with attention to Windows-specific trust store and Group Policy specifics.
Brave inherits Chromium's TLS validation, including which CA roots it trusts. Map each NET::ERR_CERT_* error code to its cause and fix, plus a few Brave-specific gotchas (Shields, Tor windows).
Safari's TLS warning, including Safari-specific rules like the 397-day validity cap and Symantec distrust. Fixes for both macOS and iOS.
Firefox's triangle warning explained. Map each SEC_ERROR_* / SSL_ERROR_* / MOZILLA_PKIX_* code to its cause and fix.
Chrome's red-shield warning explained. Map each NET::ERR_CERT_* error code to its cause and fix - including the distrusted-legacy-root cause behind most current AUTHORITY_INVALID errors, and the separate risk of CA-side compliance revocations.
Seven concrete benefits of continuous SSL certificate monitoring - outage prevention, silent-failure detection, compliance evidence, inventory accuracy, and more.
All the common renewal paths - Let's Encrypt with certbot, commercial CAs like DigiCert and Sectigo, and managed cloud platforms - plus how to install and verify the renewed certificate.
An expired SSL certificate triggers browser warnings, kills conversions, costs SEO, creates compliance exposure, and burns engineering time. Here's what each cost actually looks like.
Four ways to check when your SSL certificate expires (or has already expired) - from a single shell command to continuous monitoring that catches every certificate across your domains.
Diagnose and fix an SSL/TLS outage fast - then reduce the odds of the next one. Identify the failure category (expired, chain, hostname, cipher, untrusted), apply the right fix, and run a useful post-mortem.
Your SSL certificate expired and the site is showing browser warnings? Here's exactly what to do: confirm it has expired, get a working certificate back up fast, install, verify, and prevent the next one.
Subscribe via RSS.