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Brand new installation and Firefox will not open ANY https:// web site

已張貼

Brand new computer. iMac. OS 10.12.6 (16G1212)

Dowloaded latest version from Mozilla website. Absolutely NO website that is https:// secured will open and that includes https://support.mozilla.org. Error states Mozilla (or whomever) has misconfigured their web site and it is not secure. Security unknown.

Help please?

Brand new computer. iMac. OS 10.12.6 (16G1212) Dowloaded latest version from Mozilla website. Absolutely NO website that is https:// secured will open and that includes https://support.mozilla.org. Error states Mozilla (or whomever) has misconfigured their web site and it is not secure. Security unknown. Help please?

被選擇的解決方法

Problem resolved but all info regarding Avast is wrong and should be updated. Still enough to figure out a fix, Thanks

從原來的回覆中察看解決方案 0

額外的系統細節

應用程式

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/604.5.6 (KHTML, like Gecko) Version/11.0.3 Safari/604.5.6

更多資訊

FredMcD
  • Top 10 Contributor
4224 個解決方法 58972 個答案

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.

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-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

http://kb.mozillazine.org/Error_loading_websites


  • uses an invalid security certificate SSL_ERROR_BAD_CERT_DOMAIN
  • configured their website improperly

How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites https://support.mozilla.org/en-US/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate. 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-error-message https://support.mozilla.org/en-US/kb/connection-untrusted-error-message http://kb.mozillazine.org/Error_loading_websites *uses an invalid security certificate SSL_ERROR_BAD_CERT_DOMAIN *configured their website improperly How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites https://support.mozilla.org/en-US/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER

由 FredMcD 於 修改

選擇的解決方法

Problem resolved but all info regarding Avast is wrong and should be updated. Still enough to figure out a fix, Thanks

Problem resolved but all info regarding Avast is wrong and should be updated. Still enough to figure out a fix, Thanks
FredMcD
  • Top 10 Contributor
4224 個解決方法 58972 個答案

That was very good work. Well done.

tjlytle said

all info regarding Avast is wrong and should be updated

What information are you talking about?

That was very good work. Well done. ''tjlytle [[#answer-1082894|said]]'' <blockquote> all info regarding Avast is wrong and should be updated </blockquote> What information are you talking about?