Certificate Error Firefox
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"Secure Connection ... Firefox Editing Tools Article Discussion Edit Article Translate Article Show Translations What Links Here Show History Customize this article Firefox Version 51 Version 50 Version 49 Version 48 Version certificate error firefox but not ie 47 Version 46 Version 45 Version 44 Version 43 Version 42 Version 41 Version 40
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Version 39 Version 38 Windows 8 Windows 7/Vista Windows XP Mac Linux Windows 10 Explore more topics Basic browsing Install and update Sync firefox bypass invalid security certificate and save Chat and share Do more with apps Protect your privacy Manage preferences and add-ons Fix slowness, crashing, error messages and other problems Was this article helpful? Troubleshoot the "Secure Connection Failed" error message If Firefox firefox 3 certificate error can't access a secure site (one that starts with https) you will see an error page with the heading Secure Connection Failed and a message about the error. This article describes some of these error messages. If you see this heading without accessing a secure site, see Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems. For troubleshooting secure connection problems with the error message This Connection is Untrusted, see the
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article "This Connection is Untrusted" error message appears - What to do. If you see the error message Your connection is not secure, see the article What does "Your connection is not secure" mean?. For troubleshooting other error messages, see Websites don't load - troubleshoot and fix error messages. Secure connection cannot be established When a website you visit attempts to secure communication between your computer and the website, Firefox cross-checks this attempt to ensure that the certificate and the method the website is using are actually secure. Some websites try using out-dated (no longer secure) TLS mechanisms in an attempt to secure your connection. Firefox protects you by preventing navigation to such sites if there is a problem in securely establishing a connection. When this happens, you will see an error page with the option to report the error to Mozilla. If you experience this problem, contact the owners of the website and ask them to update their TLS version to a version that is still current and still secure. Certificate warnings Firefox uses certificates on secure websites to ensure that your information is being sent to the intended recipient and can't be read by eavesdroppers. For a list of certificate warnings and error codes, see the article "This Connection is Untrusted" error message appears - What to doWhat does "Your
was archived. Please ask a new question if you need help. Firefox reports a TLS error for a website that I trust, but provides no way to override the error message. 10 replies firefox secure connection failed 14 have this problem 1356 views Last reply by cor-el 10 months ago Bill Falls Posted firefox certificate error this connection is untrusted 11/29/15, 1:32 PM For the last couple of months (late 2015) Firefox has returned a "secure connection failed" error when I try to
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access my account at a major health insurance provider. The site worked fine in Firefox for years and works fine with Microsoft Edge, but I prefer to use Firefox. The "more info" link in the error message says the https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message message indicates the site uses outdated TLS security and that I should contact the owners to tell them to update it. I tried that and failed; Blue Cross makes it even harder to "contact us" than Mozilla does. Why is there no "I trust this site - go there anyway" option? I'm experienced enough to make my own security decisions. For the last couple of months (late 2015) Firefox has returned a "secure connection failed" error when https://support.mozilla.org/questions/1096538 I try to access my account at a major health insurance provider. The site worked fine in Firefox for years and works fine with Microsoft Edge, but I prefer to use Firefox. The "more info" link in the error message says the message indicates the site uses outdated TLS security and that I should contact the owners to tell them to update it. I tried that and failed; Blue Cross makes it even harder to "contact us" than Mozilla does. Why is there no "I trust this site - go there anyway" option? I'm experienced enough to make my own security decisions. Chosen solution Thank you! The setting for security.tls.version.max was "user set" with a value of 1, and I reset it as you indicated. The value is now 3 and I was able to get to my Blue Cross account normally. I'm guessing that this problem dates to when I got my new computer and did a new installation of Firefox around August 10. Perhaps the TLS setting is the one that came with the download. BTW, I noticed BitDefender in the page info too. The error page didn't identify its source; the "more info" links led to Mozilla Support but I was wondering if my antivirus was the culprit. Apparently it was the Firefox security setting instead. Problem solved, thank you, jscher2000! Read this answer in context 1 Ques
was archived. Please ask a new question if you need help. Firefox will no longer open Google without a "This Connection is Untrusted" error, and no https://support.mozilla.org/questions/1070934 option to get a temporary certificate is available. 44 replies 244 have this problem 69643 views Last reply by cor-el 9 months ago spwood Posted 7/7/15, 1:34 PM This problem popped up for the first http://www.ibm.com/support/knowledgecenter/SSLTBW_2.2.0/com.ibm.zos.v2r2.izua300/IZUHPINFO_FirefoxCertificateError.htm time a few months ago. but I was able to work around it by by clicking on "I understand the risks" on the "This Connection Is Untrusted" warning page, and then by adding a certificate error security exception. That fix would work for random lengths of time... sometimes for days, sometimes for minutes. Now, after updating to the latest version of Firefox, I get the same security warning but the option to click "I Understand the Risks" is gone. I get this error message on the technical details page: (Error code: sec_error_unknown_issuer I have done everything listed here many, many times: https://support.mozilla.org/en-US/kb/connection-untrusted-error-message I mean everything. Delete certificate error firefox cert.db, start in safe mode, empty cache, delete and reinstall.... Nothing works. Your help would be greatly appreciated! This problem popped up for the first time a few months ago. but I was able to work around it by by clicking on "I understand the risks" on the "This Connection Is Untrusted" warning page, and then by adding a security exception. That fix would work for random lengths of time... sometimes for days, sometimes for minutes. Now, after updating to the latest version of Firefox, I get the same security warning but the option to click "I Understand the Risks" is gone. I get this error message on the technical details page: (Error code: sec_error_unknown_issuer I have done everything listed here many, many times: https://support.mozilla.org/en-US/kb/connection-untrusted-error-message I mean everything. Delete cert.db, start in safe mode, empty cache, delete and reinstall.... Nothing works. Your help would be greatly appreciated! Chosen solution In Firefox, you need to import into Authorities. The certificate usually will have a .cer extension. Read this answer in context 4 Question tools Get email updates when anybody replies. when a solution is found. Cancel Subscribe to feed Question details Product Firefox Topic Privacy and security settings System Details Windows 7 Firefox 39.0 More sy