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I can't seem to connect to youtube in all 3 browsers with this Error code: SEC_ERROR_UNKNOWN_ISSUER

Kuphostiwe

https://youtube.com/

Peer’s Certificate issuer is not recognized.

HTTP Strict Transport Security: true HTTP Public Key Pinning: true

Certificate chain:


BEGIN CERTIFICATE-----

MIIDQDCCAiigAwIBAgIEXIX++zANBgkqhkiG9w0BAQsFADBAMS4wLAYDVQQDEyVD aXNjbyBVbWJyZWxsYSBTZWNvbmRhcnkgU3ViQ0EgbnJ0LVNHMQ4wDAYDVQQKEwVD aXNjbzAeFw0xOTAzMDkwNjE4NThaFw0xOTAzMTQwNjE4NThaMGgxCzAJBgNVBAYT AlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRYwFAYDVQQHDA1TYW4gRnJhbmNpc2Nv MRYwFAYDVQQKDA1PcGVuRE5TLCBJbmMuMRQwEgYDVQQDDAt5b3V0dWJlLmNvbTCC ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMWKg1qlbxvJhbdrkNMnf0Ez 7jQ5/rVziQaNabKhx759ciUEPJvBBjVVVi4ADWLNMp+KN0H4otNQY3TuMqXX708k cXPRK4cPDKUJBKshDxVN45+aSEQEvTm//BBJUcQ2ZuiU0aDtWCg6edahuaXaWKdS MN/oIbWPUz0+OwL2R4W1ezPXSYOFBfpYPLTY2iun68PYAD72o1QJLW+mw8+kNQbj OQrvXZrF/8COp+oRKCuSddtFooFRLL2cbPNWdkbj0C1+7HSPei7/Czi10BsNfFm+ UFA9gFEjUeTy33MUQOOBSUwtZUguLaYIG73ms11/Hn4Kjir21ism9sC4JI7qSgUC AwEAAaMaMBgwFgYDVR0RBA8wDYILeW91dHViZS5jb20wDQYJKoZIhvcNAQELBQAD ggEBAI+awqwc0gROOE8t6M+cWM3hdzAVdcfWPfe89qTORIpKJ+TQze+rGfLP6DLD fK1xlaMrgdeJgSoxf6RxfNAesHf9J2nrA5N0CatfGWDeof+QlFuRLK6bCpg9hgsR 6nPLdstmqLn/RRAaTFJQPzdrTbYJ8/G/ZiXKdsttO8UgNBX71/1pXhHwisDRtPb5 x5CXLDQNcVVTe6cXQOSKwaEvcz1YPnJF4+Cm+b3VYJlr5RZBy6U1VkOk0tiqWbwR DLkIdzxPloG9GqsCJYyNQzg84PuqKdecGMkdKrU11eHv3PijWnZpyp/0yFkKJKUh eoThxCDmq388HiDR40FsGFOstzY=


END CERTIFICATE-----
BEGIN CERTIFICATE-----

MIID3TCCAsWgAwIBAgIRANGBpOip5UZ2mdJ2y1kX+NswDQYJKoZIhvcNAQELBQAw NzElMCMGA1UEAwwcQ2lzY28gVW1icmVsbGEgUHJpbWFyeSBTdWJDQTEOMAwGA1UE CgwFQ2lzY28wHhcNMTkwMzA5MDgyMzAyWhcNMTkwMzIwMDgyMzAyWjBAMS4wLAYD VQQDEyVDaXNjbyBVbWJyZWxsYSBTZWNvbmRhcnkgU3ViQ0EgbnJ0LVNHMQ4wDAYD VQQKEwVDaXNjbzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMWKg1ql bxvJhbdrkNMnf0Ez7jQ5/rVziQaNabKhx759ciUEPJvBBjVVVi4ADWLNMp+KN0H4 otNQY3TuMqXX708kcXPRK4cPDKUJBKshDxVN45+aSEQEvTm//BBJUcQ2ZuiU0aDt WCg6edahuaXaWKdSMN/oIbWPUz0+OwL2R4W1ezPXSYOFBfpYPLTY2iun68PYAD72 o1QJLW+mw8+kNQbjOQrvXZrF/8COp+oRKCuSddtFooFRLL2cbPNWdkbj0C1+7HSP ei7/Czi10BsNfFm+UFA9gFEjUeTy33MUQOOBSUwtZUguLaYIG73ms11/Hn4Kjir2 1ism9sC4JI7qSgUCAwEAAaOB2jCB1zAfBgNVHSMEGDAWgBQ3QZhaPSAuZ8oNMssn yeDF7bqf6TASBgNVHRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBhjAdBgNV HQ4EFgQUqXdv+Q34ywP0BLRK/C6mcfawcbswcQYIKwYBBQUHAQEEZTBjMCMGCCsG AQUFBzABhhdodHRwOi8vb2NzcC5vcGVuZG5zLmNvbTA8BggrBgEFBQcwAoYwaHR0 cDovL2NhY2VydHMub3BlbmRucy5jb20vNDQ4NjNBQjE1NDY0NThENzIuY3J0MA0G CSqGSIb3DQEBCwUAA4IBAQBvsonRLkYg0VtfKCO/eizCJc6zQQoupDBRI2eLkPgM giN2fubbprvmFGa/6Z7miAtjciQntyTdMLUxlYjrWZvrIXEVFlfv02jOtEm+t9nh OUeCnP3Rc2fsLUYyfAFHZirrJUUHslyPNG6Smrtxt9ju+a4xEaDu1JFmIiJRNelq 7PT269JZKg9CxQakkumB0bshcCGmBph9EDJgt1yDEHjoIAawF0E1VskgylFAw5oa Rbd18bcq44J+ByjlVz+NwAEpmsSjYVtwAs56jqMk7KCTvJ9EgJYqeal6jOWJ0BKl oKdYlknNBXB/v9L2CY53/7VGQbpyOutXPc3yI76B7nQC


END CERTIFICATE-----
BEGIN CERTIFICATE-----

MIIEgTCCA2mgAwIBAgIJBEhjqxVGRY1yMA0GCSqGSIb3DQEBCwUAMDExDjAMBgNV BAoTBUNpc2NvMR8wHQYDVQQDExZDaXNjbyBVbWJyZWxsYSBSb290IENBMB4XDTE2 MDYyODE1NDAxMVoXDTIxMDYyODE1NDAxMVowNzElMCMGA1UEAwwcQ2lzY28gVW1i cmVsbGEgUHJpbWFyeSBTdWJDQTEOMAwGA1UECgwFQ2lzY28wggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQCvR/Tm+U0VahUptIKAkU7BwSKgO1HO0CMdZXCO OLFh9+pCoG1Ly7UiudFAumlfA4kzs1SS9xR2ax0TYIQG84hJsoOPSaZU6wkWWJDq mZVD4+LSPZLUuMWbgWy8/BuqKKL32JjInU/LRXF3AaapHT6eprR5vv5MYSWzFv4r QzhMXy8i8eK48EKsQyf3UBUHdUmOQFBYuRkYlKdave0ipxjMUYKh6DwJX+5psl7S lwHxzKxppwBqZhI5GiuWIs4RhuB+1hOr1zuAb9Oy8WNryXTijXQJ+thl74oo0CoV XS2nZQyDk1X2CUOpTy2Kj4W4ucd4Y1jRp37FkWQwivWq5DU5AgMBAAGjggGUMIIB kDAOBgNVHQ8BAf8EBAMCAYYwEgYDVR0TAQH/BAgwBgEB/wIBATBSBgNVHSAESzBJ MEcGCisGAQQBCRUBHQAwOTA3BggrBgEFBQcCARYraHR0cDovL3d3dy5jaXNjby5j b20vc2VjdXJpdHkvcGtpL3BvbGljaWVzLzAdBgNVHQ4EFgQUN0GYWj0gLmfKDTLL J8ngxe26n+kwTAYDVR0fBEUwQzBBoD+gPYY7aHR0cDovL3d3dy5jaXNjby5jb20v c2VjdXJpdHkvcGtpL2NybC9jaXNjb3VtYnJlbGxhcm9vdC5jcmwwgYcGCCsGAQUF BwEBBHsweTBJBggrBgEFBQcwAoY9aHR0cDovL3d3dy5jaXNjby5jb20vc2VjdXJp dHkvcGtpL2NlcnRzL2Npc2NvdW1icmVsbGFyb290LmNlcjAsBggrBgEFBQcwAYYg aHR0cDovL3BraWN2cy5jaXNjby5jb20vcGtpL29jc3AwHwYDVR0jBBgwFoAUQ3MA 3iS6QBpAVCx9fNUASIkMcKQwDQYJKoZIhvcNAQELBQADggEBAAhlqdX9AAHOyNPv KA44ulyoprNnXp62XeYnlKRgCPvShWW2eDIMOePS8+RvuPGJdtAm1YoPa9hn0WO2 L+jHmnob7so2yc3c02uio9Q4VqPCuA1T/RmmXerpvHtxx1FfUhboBoiGvP/dnFTX DF0lzLEllP3tYZOH0wjsTjhPERN60zR29lKHludW9ZRc5Fkxj5ZwALvAZ2Iqb0HG DwIhJJjXUpJjZXQPRGQ8N+VDx2UqTf74g/rpKcALUERGFrrJMO0Z7yaiqVsVQ9/J 4FAJCjB6fkivL5SvmDWCB1ZeiRc2ud5qm/II0OuGdtX+mo0/Lo9Lh9Tdg2LxUxEn 7cAtMK0=


END CERTIFICATE-----
https://youtube.com/ Peer’s Certificate issuer is not recognized. HTTP Strict Transport Security: true HTTP Public Key Pinning: true Certificate chain: -----BEGIN CERTIFICATE----- MIIDQDCCAiigAwIBAgIEXIX++zANBgkqhkiG9w0BAQsFADBAMS4wLAYDVQQDEyVD aXNjbyBVbWJyZWxsYSBTZWNvbmRhcnkgU3ViQ0EgbnJ0LVNHMQ4wDAYDVQQKEwVD aXNjbzAeFw0xOTAzMDkwNjE4NThaFw0xOTAzMTQwNjE4NThaMGgxCzAJBgNVBAYT AlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRYwFAYDVQQHDA1TYW4gRnJhbmNpc2Nv MRYwFAYDVQQKDA1PcGVuRE5TLCBJbmMuMRQwEgYDVQQDDAt5b3V0dWJlLmNvbTCC ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMWKg1qlbxvJhbdrkNMnf0Ez 7jQ5/rVziQaNabKhx759ciUEPJvBBjVVVi4ADWLNMp+KN0H4otNQY3TuMqXX708k cXPRK4cPDKUJBKshDxVN45+aSEQEvTm//BBJUcQ2ZuiU0aDtWCg6edahuaXaWKdS MN/oIbWPUz0+OwL2R4W1ezPXSYOFBfpYPLTY2iun68PYAD72o1QJLW+mw8+kNQbj OQrvXZrF/8COp+oRKCuSddtFooFRLL2cbPNWdkbj0C1+7HSPei7/Czi10BsNfFm+ UFA9gFEjUeTy33MUQOOBSUwtZUguLaYIG73ms11/Hn4Kjir21ism9sC4JI7qSgUC AwEAAaMaMBgwFgYDVR0RBA8wDYILeW91dHViZS5jb20wDQYJKoZIhvcNAQELBQAD ggEBAI+awqwc0gROOE8t6M+cWM3hdzAVdcfWPfe89qTORIpKJ+TQze+rGfLP6DLD fK1xlaMrgdeJgSoxf6RxfNAesHf9J2nrA5N0CatfGWDeof+QlFuRLK6bCpg9hgsR 6nPLdstmqLn/RRAaTFJQPzdrTbYJ8/G/ZiXKdsttO8UgNBX71/1pXhHwisDRtPb5 x5CXLDQNcVVTe6cXQOSKwaEvcz1YPnJF4+Cm+b3VYJlr5RZBy6U1VkOk0tiqWbwR DLkIdzxPloG9GqsCJYyNQzg84PuqKdecGMkdKrU11eHv3PijWnZpyp/0yFkKJKUh eoThxCDmq388HiDR40FsGFOstzY= -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIID3TCCAsWgAwIBAgIRANGBpOip5UZ2mdJ2y1kX+NswDQYJKoZIhvcNAQELBQAw NzElMCMGA1UEAwwcQ2lzY28gVW1icmVsbGEgUHJpbWFyeSBTdWJDQTEOMAwGA1UE CgwFQ2lzY28wHhcNMTkwMzA5MDgyMzAyWhcNMTkwMzIwMDgyMzAyWjBAMS4wLAYD VQQDEyVDaXNjbyBVbWJyZWxsYSBTZWNvbmRhcnkgU3ViQ0EgbnJ0LVNHMQ4wDAYD VQQKEwVDaXNjbzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMWKg1ql bxvJhbdrkNMnf0Ez7jQ5/rVziQaNabKhx759ciUEPJvBBjVVVi4ADWLNMp+KN0H4 otNQY3TuMqXX708kcXPRK4cPDKUJBKshDxVN45+aSEQEvTm//BBJUcQ2ZuiU0aDt WCg6edahuaXaWKdSMN/oIbWPUz0+OwL2R4W1ezPXSYOFBfpYPLTY2iun68PYAD72 o1QJLW+mw8+kNQbjOQrvXZrF/8COp+oRKCuSddtFooFRLL2cbPNWdkbj0C1+7HSP ei7/Czi10BsNfFm+UFA9gFEjUeTy33MUQOOBSUwtZUguLaYIG73ms11/Hn4Kjir2 1ism9sC4JI7qSgUCAwEAAaOB2jCB1zAfBgNVHSMEGDAWgBQ3QZhaPSAuZ8oNMssn yeDF7bqf6TASBgNVHRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBhjAdBgNV HQ4EFgQUqXdv+Q34ywP0BLRK/C6mcfawcbswcQYIKwYBBQUHAQEEZTBjMCMGCCsG AQUFBzABhhdodHRwOi8vb2NzcC5vcGVuZG5zLmNvbTA8BggrBgEFBQcwAoYwaHR0 cDovL2NhY2VydHMub3BlbmRucy5jb20vNDQ4NjNBQjE1NDY0NThENzIuY3J0MA0G CSqGSIb3DQEBCwUAA4IBAQBvsonRLkYg0VtfKCO/eizCJc6zQQoupDBRI2eLkPgM giN2fubbprvmFGa/6Z7miAtjciQntyTdMLUxlYjrWZvrIXEVFlfv02jOtEm+t9nh OUeCnP3Rc2fsLUYyfAFHZirrJUUHslyPNG6Smrtxt9ju+a4xEaDu1JFmIiJRNelq 7PT269JZKg9CxQakkumB0bshcCGmBph9EDJgt1yDEHjoIAawF0E1VskgylFAw5oa Rbd18bcq44J+ByjlVz+NwAEpmsSjYVtwAs56jqMk7KCTvJ9EgJYqeal6jOWJ0BKl oKdYlknNBXB/v9L2CY53/7VGQbpyOutXPc3yI76B7nQC -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIIEgTCCA2mgAwIBAgIJBEhjqxVGRY1yMA0GCSqGSIb3DQEBCwUAMDExDjAMBgNV BAoTBUNpc2NvMR8wHQYDVQQDExZDaXNjbyBVbWJyZWxsYSBSb290IENBMB4XDTE2 MDYyODE1NDAxMVoXDTIxMDYyODE1NDAxMVowNzElMCMGA1UEAwwcQ2lzY28gVW1i cmVsbGEgUHJpbWFyeSBTdWJDQTEOMAwGA1UECgwFQ2lzY28wggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQCvR/Tm+U0VahUptIKAkU7BwSKgO1HO0CMdZXCO OLFh9+pCoG1Ly7UiudFAumlfA4kzs1SS9xR2ax0TYIQG84hJsoOPSaZU6wkWWJDq mZVD4+LSPZLUuMWbgWy8/BuqKKL32JjInU/LRXF3AaapHT6eprR5vv5MYSWzFv4r QzhMXy8i8eK48EKsQyf3UBUHdUmOQFBYuRkYlKdave0ipxjMUYKh6DwJX+5psl7S lwHxzKxppwBqZhI5GiuWIs4RhuB+1hOr1zuAb9Oy8WNryXTijXQJ+thl74oo0CoV XS2nZQyDk1X2CUOpTy2Kj4W4ucd4Y1jRp37FkWQwivWq5DU5AgMBAAGjggGUMIIB kDAOBgNVHQ8BAf8EBAMCAYYwEgYDVR0TAQH/BAgwBgEB/wIBATBSBgNVHSAESzBJ MEcGCisGAQQBCRUBHQAwOTA3BggrBgEFBQcCARYraHR0cDovL3d3dy5jaXNjby5j b20vc2VjdXJpdHkvcGtpL3BvbGljaWVzLzAdBgNVHQ4EFgQUN0GYWj0gLmfKDTLL J8ngxe26n+kwTAYDVR0fBEUwQzBBoD+gPYY7aHR0cDovL3d3dy5jaXNjby5jb20v c2VjdXJpdHkvcGtpL2NybC9jaXNjb3VtYnJlbGxhcm9vdC5jcmwwgYcGCCsGAQUF BwEBBHsweTBJBggrBgEFBQcwAoY9aHR0cDovL3d3dy5jaXNjby5jb20vc2VjdXJp dHkvcGtpL2NlcnRzL2Npc2NvdW1icmVsbGFyb290LmNlcjAsBggrBgEFBQcwAYYg aHR0cDovL3BraWN2cy5jaXNjby5jb20vcGtpL29jc3AwHwYDVR0jBBgwFoAUQ3MA 3iS6QBpAVCx9fNUASIkMcKQwDQYJKoZIhvcNAQELBQADggEBAAhlqdX9AAHOyNPv KA44ulyoprNnXp62XeYnlKRgCPvShWW2eDIMOePS8+RvuPGJdtAm1YoPa9hn0WO2 L+jHmnob7so2yc3c02uio9Q4VqPCuA1T/RmmXerpvHtxx1FfUhboBoiGvP/dnFTX DF0lzLEllP3tYZOH0wjsTjhPERN60zR29lKHludW9ZRc5Fkxj5ZwALvAZ2Iqb0HG DwIhJJjXUpJjZXQPRGQ8N+VDx2UqTf74g/rpKcALUERGFrrJMO0Z7yaiqVsVQ9/J 4FAJCjB6fkivL5SvmDWCB1ZeiRc2ud5qm/II0OuGdtX+mo0/Lo9Lh9Tdg2LxUxEn 7cAtMK0= -----END CERTIFICATE-----

Eminye Imininingwane Yohlelo

Fakela amapulagi

  • Shockwave Flash 32.0 r0

Isisebenziso

  • I-ejenti Engumsebenzisi: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:65.0) Gecko/20100101 Firefox/65.0

Eminye Imininingwane

FredMcD
  • Top 10 Contributor
4229 izisombululo 59020 izimpendulo
Kuphostiwe

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

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

Websites don't load - troubleshoot and fix error messages

http://kb.mozillazine.org/Error_loading_websites

What do the security warning codes mean


  • MOZILLA_PKIX_ERROR_MITM_DETECTED
  • 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 connection certificates and send their own. 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 [https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors?redirectlocale=en-US&redirectslug=Error+loading+web+sites Websites don't load - troubleshoot and fix error messages] http://kb.mozillazine.org/Error_loading_websites [https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean What do the security warning codes mean] *MOZILLA_PKIX_ERROR_MITM_DETECTED *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
cor-el
  • Top 10 Contributor
  • Moderator
17421 izisombululo 157414 izimpendulo
Kuphostiwe

The issuer of the certificate is Cisco Umbrella.

  • Issuer: CN=Cisco Umbrella Secondary SubCA nrt-SG, O=Cisco

You can set this pref to true on the about:config page in case other software adds its root certificate to the Windows certificate store.

  • security.enterprise_roots.enabled = true

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

The issuer of the certificate is Cisco Umbrella. *Issuer: CN=Cisco Umbrella Secondary SubCA nrt-SG, O=Cisco You can set this pref to true on the <b>about:config</b> page in case other software adds its root certificate to the Windows certificate store. *security.enterprise_roots.enabled = true You can open the <b>about:config</b> page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue. *http://kb.mozillazine.org/about:config
jscher2000
  • Top 10 Contributor
8638 izisombululo 70669 izimpendulo
Kuphostiwe

The certificate likely is associated with the OpenDNS service companies can use to control use of social media through their networks. If YouTube is essential to your work, your IT department likely can disable that feature.

The certificate likely is associated with the '''OpenDNS''' service companies can use to control use of social media through their networks. If YouTube is essential to your work, your IT department likely can disable that feature.