90.0.2: Did something change with handling of expired certs? 的最新解答https://support.mozilla.org/zh-TW/questions/13452872021-07-28T18:20:22-07:00I don't think that Firefox has ever allowed to override an expired certificate.
In the past you prob2021-07-28T18:20:22-07:00cor-elhttps://support.mozilla.org/zh-TW/questions/1345287#answer-1431010<p>I don't think that Firefox has ever allowed to override an expired certificate.
In the past you probably could connect via http:// in such a case, but in current releases this is no longer possible due to forcing https:// via HSTS or HTTPS-Only in Firefox.
</p><p>If there is a new certificate installed on the server and Firefox insists to use the expired certificate then you can check this certificate in the the certificate manager.
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<ul><li>Settings -&gt; Privacy &amp; Security<br>Certificates -&gt; View Certificates -&gt; Authorities
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<ul><li><a href="https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean" rel="nofollow">https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/secure-connection-failed-firefox-did-not-connect" rel="nofollow">https://support.mozilla.org/en-US/kb/secure-connection-failed-firefox-did-not-connect</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/troubleshoot-time-errors-secure-websites" rel="nofollow">https://support.mozilla.org/en-US/kb/troubleshoot-time-errors-secure-websites</a>
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