Restart Chrome or Safari (or your whole computer).It will ask you to Enter your password to allow this.Close the pop-up by clicking the red x in the top-left.Set When using this certificate to Always Trust.In the pop-up, click the > arrow next to Trust.Double-click DST Root CA X3 (or click it once and then press enter/return).In the Search bar the top-right, type DST.In the menu bar at the top of screen under View, select Show Expired Certificates.On the left sidebar under System Keychains click System Roots.Open the Keychain Access app (under Finder -> Applications -> Utilities ).(der vs pem vs txt?, Login, local, System, or System Roots?, drag it in? set to 'Always Trust', etc)įorce Mac OS to Always Trust the expired DST Root CA X3 certificate: Install and trust the ISRG Root X1 certificate from (I'm not sure what the exact instructions are for installing and trusting it. Here's the link which has links and hardware requirements for old MacOS versions: Upgrade to Mac OS X Sierra (10.12.1) or newer. There are at least 4 client-side fixes/workarounds for old versions of Mac OS X: You should go back to the previous page.' Safari error is something like 'This Connection Is Not Private' 'This website may be impersonating '.' to steal your personal or financial information.

(for example, passwords, messages, or credit cards).' 'NET::ERR_CERT_DATE_INVALID'. Staring Sept 30th 2021, Mac OS X 10.11 El Capitan (Fall 2015), Mac OS X 10.10 Yosemite (Fall 2014), and Mac OS X 10.9 Mavericks (Fall 2013) (and earlier) no longer trust Let's Encrypt certificates.Ĭhrome error is something like: 'Your connection is not private' 'Attackers might be trying to steal your information from.

I'm just summarizing the symptoms and workarounds/fixes as far as I know, at least as far as Mac OS X goes.

Docker for mac 10.10.5