Invalid Security Certificate Firefox Error
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is Untrusted" error ... Firefox Editing Tools Article Discussion Edit Article Translate Article Show Translations What Links Here Show History Customize firefox error code: sec_error_unknown_issuer this article Firefox Version 51 Version 50 Version 49 Version 48 Version 47
Uses An Invalid Security Certificate Firefox
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Firefox Sec_error_unknown_issuer
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The Certificate Is Not Trusted Because The Issuer Certificate Is Unknown.
helpful? "This Connection is Untrusted" error message appears - What to do This article applies to older versions of Firefox (versions 43 and below). If you see the error message Your connection is not secure, see the article What does "Your connection is not secure" mean?. This article describes why the This Connection Is Untrusted error message may appear when trying to visit secure firefox your connection is not secure google (https) websites in Firefox. For troubleshooting secure connection problems with the error message Secure Connection Failed, see the Troubleshoot the "Secure Connection Failed" error message article. For troubleshooting other error messages, see Websites don't load - troubleshoot and fix error messages. Note: If you see this error message on major sites like Google, Facebook, YouTube and others in user accounts protected by Microsoft Family Safety filter, please refer to Microsoft's documentation for Windows Update KB2965142 (published on 6/9/2014) and Windows Update KB2981655 (published on 8/11/2014). Note: You may currently see this error message on major sites like Google, Facebook, YouTube and others on Windows 10 in user accounts protected by Microsoft family settings. To turn these settings off for a particular user, see the Microsoft support article, Turn off Microsoft family settings. Table of Contents1 Certificates and identification2 Get out of there!3 Technical information3.1 The certificate will not be valid until (date)3.2 The certificate expired on (date)3.3 The certificate is not trusted because the issuer certificate is unknown3.4 The certificate is not trusted because it is self-signed3.5 The certificate is only valid for (site name)3.6 Corrupted certificate store
"Secure Connection ... Firefox Editing Tools Article Discussion Edit Article Translate Article Show Translations What Links Here Show History Customize this secure connection failed firefox fix article Firefox Version 51 Version 50 Version 49 Version 48 Version 47 Version connection is not secure firefox 46 Version 45 Windows 8 Windows 7/Vista Windows XP Mac Linux Windows 10 Explore more topics Basic browsing Install this connection is untrusted firefox and update Sync 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? https://support.mozilla.org/en-US/kb/connection-untrusted-error-message Troubleshoot the "Secure Connection Failed" error message If Firefox 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 https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message to solve common Firefox problems. For troubleshooting secure connection problems with the error message This Connection is Untrusted, see the 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 curr
was archived. Please ask a new question if you need help. www.facebook.com uses an invalid security certificate 5 https://support.mozilla.org/questions/1103476 replies 51 have this problem 3301 views Last reply by krmc 9 https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean months ago krmc Posted 1/8/16, 9:20 AM All other websites seem to work fine, but when I try to visit Facebook, I get an error message as follows: This Connection is Untrusted You have asked Firefox to connect securely to www.facebook.com, but we can't confirm that your connection is not is secure. Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified. What Should I Do? If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't invalid security certificate continue. This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate. www.facebook.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. (Error code: sec_error_unknown_issuer) I have tried following many of the suggestions on these forums, but to no avail. when I looked up the certificate it says its from OpenDNS, Inc All other websites seem to work fine, but when I try to visit Facebook, I get an error message as follows: This Connection is Untrusted You have asked Firefox to connect securely to www.facebook.com, but we can't confirm that your connection is secure. Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified. What Should I Do? If you usual
"Your connection is not ... 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 47 Version 46 Version 45 Windows 8 Windows 7/Vista Windows XP Mac Linux Windows 10 Explore more topics Basic browsing Install and update Sync 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? What does "Your connection is not secure" mean? When Firefox connects to a secure website (the URL begins with "https://"), it must verify that the certificate presented by the website is valid and that the encryption is strong enough to adequately protect your privacy. If the certificate cannot be validated or if the encryption is not strong enough, Firefox will stop the connection to the website and instead show an error page. On some websites there is an option to report secure connection errors to Mozilla for statistical purposes: To troubleshoot secure connection problems with the error message Secure Connection Failed, see the Troubleshoot the "Secure Connection Failed" error message article. When Firefox connects to a secure website (the URL begins with "https://"), it must verify that the certificate presented by the website is valid and that the encryption is strong enough to adequately protect your privacy. If the certificate cannot be validated or if the encryption is not strong enough, Firefox will stop the connection to the website and instead show an error page: To troubleshoot secure connection problems with the error message Secure Connection Failed, see the Troubleshoot the "Secure Connection Failed" error message article. Table of Contents1 What to do if you see this error?2 Technical information2.1 The certificate will not be valid until (date)2.2 The certificate expired on (date)2.3 The certificate is not trusted because the issuer certificate is unknown2.4 The certificate is not trusted because it is self-signed2.5 The certificate is only valid for (site na