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.
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