502 bad gateway errors

''<p>jpjohn28 [[#question-1363661|said]]</p>'' <blockquote>After accepting norton addon . . . </blockquote> You should also ask Norton about this: https://support.norton.com http://community.norton.com/ Please provide a public link (no password) that we can check out&#46; '''No Personal Information Please ! ''' There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own&#46; https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites https://support.mozilla.org/en-US/kb/secure-connection-failed-firefox-did-not-connect https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors [https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean What do the security warning codes mean]