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Your connection is not secure

frankzappa
frankzappa
more options

I'm not a computer tech so what is going on here and is there an easy to fix it?


Your connection is not secure

The owner of support.mozilla.org has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox may only connect to it securely. As a result, it is not possible to add an exception for this certificate.

Learn more…

Report errors like this to help Mozilla identify and block malicious sites

support.mozilla.org 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 https://support.mozilla.org/1/firefox/60.0.1/WINNT/en-US/security-error Peer’s Certificate issuer is not recognized. HTTP Strict Transport Security: true HTTP Public Key Pinning: false Certificate chain: -----BEGIN CERTIFICATE----- MIIEQjCCAyqgAwIBAgIQCLXfcnCbJkeZRXHUWOu6iTANBgkqhkiG9w0BAQsFADB7 MTgwNgYDVQQLDC9nZW5lcmF0ZWQgYnkgQVZHIEFudGl2aXJ1cyBmb3IgU1NML1RM UyBzY2FubmluZzEcMBoGA1UECgwTQVZHIFdlYi9NYWlsIFNoaWVsZDEhMB8GA1UE AwwYQVZHIFdlYi9NYWlsIFNoaWVsZCBSb290MB4XDTE3MDkyMDAwMDAwMFoXDTE4 MTAzMTEyMDAwMFowgYYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlh MRYwFAYDVQQHEw1Nb3VudGFpbiBWaWV3MRswGQYDVQQKExJNb3ppbGxhIEZvdW5k YXRpb24xDzANBgNVBAsTBldlYk9wczEcMBoGA1UEAxMTc3VwcG9ydC5tb3ppbGxh Lm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL8qvAiem31F3MLp h0v+xUTNc0SZobDecYpB45zQRkUAR1dNIVu4GEWEhSa5DkPXNoIMV+7NqDgJ6zsf rhv9zXUHYCljzfQ6BjOOnoe7PoznjPIfoZ+GPyGjbb1dosdRGuLcgKBxTHu0IwIw lxxL5qIq5yVJc/AQlRxtd/g07HhNJKBDbK7qFRhu0kcBOfHy6kjHu5U5mwPYGJiN mSHw4HX4jcEqbhy2iLYTV+JWxCZX7pOE1EBabQXZtbhTLGTnM4YR5wQxeHnjaYTk HWCPLWetxirF2xNMyfGa4rElqnREmtoo32LzFlHcbm2lS/w2LfH63OcASNpy6rE1 gwXY1lUCAwEAAaOBtTCBsjAfBgNVHSMEGDAWgBQoOcOcgftimSTs612GdOebmeui 3zAdBgNVHQ4EFgQUo1wA+KsJqwLnBHhPClXP1xAfVF4wMwYDVR0RBCwwKoITc3Vw cG9ydC5tb3ppbGxhLm9yZ4ITc3VwcG9ydC5tb3ppbGxhLmNvbTAOBgNVHQ8BAf8E BAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQC MAAwDQYJKoZIhvcNAQELBQADggEBAFACaTfjCdNsZBuCiwJ4fiaHuBOoFS79y8qP MXZT0jiP79++/CrVSJp+yftDR0bdcpSIPYamufZ4MBesFjUlVgCyhWxry+EVM8n7 x7kxMZVRTF6pBaUiwpAaYNOaOfz//HLY54J5JzJ0sQAjuFYMvukb/1fndNwYCaL5 xI7KkzRuHdK9SJAXP+ZfL1I8usk5TvEYvVO+PiB9+Pe/eURJwgHJayU3S1XA0Xzy FtIWS1ejKF72uL+QjHEUjtZIsb1MoNTQwPRn2aXA/wYdW84H3qkrBIzuuvNQZTI4 XA++nUZn0MfK8m6fZjQyNznbRUZsRfmac4bf8gpAu+ge2v2LktA= -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIID9TCCAt2gAwIBAgIQHUSvwtAah0yRXiDr2kPn5jANBgkqhkiG9w0BAQsFADB7 MTgwNgYDVQQLDC9nZW5lcmF0ZWQgYnkgQVZHIEFudGl2aXJ1cyBmb3IgU1NML1RM UyBzY2FubmluZzEcMBoGA1UECgwTQVZHIFdlYi9NYWlsIFNoaWVsZDEhMB8GA1UE AwwYQVZHIFdlYi9NYWlsIFNoaWVsZCBSb290MB4XDTEwMDEwMTEyMDAwMFoXDTQw MDEwMTEyMDAwMFowezE4MDYGA1UECwwvZ2VuZXJhdGVkIGJ5IEFWRyBBbnRpdmly dXMgZm9yIFNTTC9UTFMgc2Nhbm5pbmcxHDAaBgNVBAoME0FWRyBXZWIvTWFpbCBT aGllbGQxITAfBgNVBAMMGEFWRyBXZWIvTWFpbCBTaGllbGQgUm9vdDCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAL4Vq4DbtIWmwBs5yEF/RCyFkpTwuclE Z/1KvORp6tPUoSAR7XUIx1FpRd1ZAf3ZiYbg5VX+gqVwuIygDVXmEgQVgHAKL+5W nATipPfJUSF2g63rX5wXE1mP9esmXBnqTrjLFcgy1T0IAZwICg4J6cGLpfDquO59 12VgI7U2Vp9Tei31hB5QYDu2afj1XTmW42jeNJb9CguwfbcU8nrlsJVAooEudrY9 jhAuz/KQ4Md1voj3JiOSeaVrRJhT2h+MC86RsytorJRGCqXf1acN3PvUmgNvFw3m EF4a44B4k3u9/Nnf4cll4JPezzOrSuSCKjsoysdXt21arMSmeLb/cScCAwEAAaN1 MHMwDwYDVR0TBAgwBgEB/wIBADALBgNVHQ8EBAMCAgQwEwYDVR0lBAwwCgYIKwYB BQUHAwEwHQYDVR0OBBYEFCg5w5yB+2KZJOzrXYZ055uZ66LfMB8GA1UdIwQYMBaA FCg5w5yB+2KZJOzrXYZ055uZ66LfMA0GCSqGSIb3DQEBCwUAA4IBAQCm7OIKMA1Z aUi1sQGLEY0+3u9iu58PRGTrPVqNLfzIjm00rhG2kugQI6NM/PDWt6f/huFJA5pW qimv0LXB9V5CInFkrhYAQChApsVlTmcGP2FFf9p+2irwjyIB0FsYXi8aVBkAOeEa twbCjQT/qqMRuxwuwtqAlHTR0HZSUfzVAYT/UFOgWvKuA8Rq2nESs+XwURByJLBT LKGbNFoKMH1OLkg+5nGt1i5Mvqwc4BoHhOnQel4ALyNX5aG5U2CRVh0HzCEFIfku r6XkOhidCPzKLKQEj5WLGyCO/4lKqacW+QOvZP07KaK8ko2WuxsWUs06d+XTJNek Fr11QUwcfN7n -----END CERTIFICATE-----

I'm not a computer tech so what is going on here and is there an easy to fix it? Your connection is not secure The owner of support.mozilla.org has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox may only connect to it securely. As a result, it is not possible to add an exception for this certificate. Learn more… Report errors like this to help Mozilla identify and block malicious sites support.mozilla.org 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 https://support.mozilla.org/1/firefox/60.0.1/WINNT/en-US/security-error Peer’s Certificate issuer is not recognized. HTTP Strict Transport Security: true HTTP Public Key Pinning: false Certificate chain: -----BEGIN CERTIFICATE----- MIIEQjCCAyqgAwIBAgIQCLXfcnCbJkeZRXHUWOu6iTANBgkqhkiG9w0BAQsFADB7 MTgwNgYDVQQLDC9nZW5lcmF0ZWQgYnkgQVZHIEFudGl2aXJ1cyBmb3IgU1NML1RM UyBzY2FubmluZzEcMBoGA1UECgwTQVZHIFdlYi9NYWlsIFNoaWVsZDEhMB8GA1UE AwwYQVZHIFdlYi9NYWlsIFNoaWVsZCBSb290MB4XDTE3MDkyMDAwMDAwMFoXDTE4 MTAzMTEyMDAwMFowgYYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlh MRYwFAYDVQQHEw1Nb3VudGFpbiBWaWV3MRswGQYDVQQKExJNb3ppbGxhIEZvdW5k YXRpb24xDzANBgNVBAsTBldlYk9wczEcMBoGA1UEAxMTc3VwcG9ydC5tb3ppbGxh Lm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL8qvAiem31F3MLp h0v+xUTNc0SZobDecYpB45zQRkUAR1dNIVu4GEWEhSa5DkPXNoIMV+7NqDgJ6zsf rhv9zXUHYCljzfQ6BjOOnoe7PoznjPIfoZ+GPyGjbb1dosdRGuLcgKBxTHu0IwIw lxxL5qIq5yVJc/AQlRxtd/g07HhNJKBDbK7qFRhu0kcBOfHy6kjHu5U5mwPYGJiN mSHw4HX4jcEqbhy2iLYTV+JWxCZX7pOE1EBabQXZtbhTLGTnM4YR5wQxeHnjaYTk HWCPLWetxirF2xNMyfGa4rElqnREmtoo32LzFlHcbm2lS/w2LfH63OcASNpy6rE1 gwXY1lUCAwEAAaOBtTCBsjAfBgNVHSMEGDAWgBQoOcOcgftimSTs612GdOebmeui 3zAdBgNVHQ4EFgQUo1wA+KsJqwLnBHhPClXP1xAfVF4wMwYDVR0RBCwwKoITc3Vw cG9ydC5tb3ppbGxhLm9yZ4ITc3VwcG9ydC5tb3ppbGxhLmNvbTAOBgNVHQ8BAf8E BAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQC MAAwDQYJKoZIhvcNAQELBQADggEBAFACaTfjCdNsZBuCiwJ4fiaHuBOoFS79y8qP MXZT0jiP79++/CrVSJp+yftDR0bdcpSIPYamufZ4MBesFjUlVgCyhWxry+EVM8n7 x7kxMZVRTF6pBaUiwpAaYNOaOfz//HLY54J5JzJ0sQAjuFYMvukb/1fndNwYCaL5 xI7KkzRuHdK9SJAXP+ZfL1I8usk5TvEYvVO+PiB9+Pe/eURJwgHJayU3S1XA0Xzy FtIWS1ejKF72uL+QjHEUjtZIsb1MoNTQwPRn2aXA/wYdW84H3qkrBIzuuvNQZTI4 XA++nUZn0MfK8m6fZjQyNznbRUZsRfmac4bf8gpAu+ge2v2LktA= -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIID9TCCAt2gAwIBAgIQHUSvwtAah0yRXiDr2kPn5jANBgkqhkiG9w0BAQsFADB7 MTgwNgYDVQQLDC9nZW5lcmF0ZWQgYnkgQVZHIEFudGl2aXJ1cyBmb3IgU1NML1RM UyBzY2FubmluZzEcMBoGA1UECgwTQVZHIFdlYi9NYWlsIFNoaWVsZDEhMB8GA1UE AwwYQVZHIFdlYi9NYWlsIFNoaWVsZCBSb290MB4XDTEwMDEwMTEyMDAwMFoXDTQw MDEwMTEyMDAwMFowezE4MDYGA1UECwwvZ2VuZXJhdGVkIGJ5IEFWRyBBbnRpdmly dXMgZm9yIFNTTC9UTFMgc2Nhbm5pbmcxHDAaBgNVBAoME0FWRyBXZWIvTWFpbCBT aGllbGQxITAfBgNVBAMMGEFWRyBXZWIvTWFpbCBTaGllbGQgUm9vdDCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAL4Vq4DbtIWmwBs5yEF/RCyFkpTwuclE Z/1KvORp6tPUoSAR7XUIx1FpRd1ZAf3ZiYbg5VX+gqVwuIygDVXmEgQVgHAKL+5W nATipPfJUSF2g63rX5wXE1mP9esmXBnqTrjLFcgy1T0IAZwICg4J6cGLpfDquO59 12VgI7U2Vp9Tei31hB5QYDu2afj1XTmW42jeNJb9CguwfbcU8nrlsJVAooEudrY9 jhAuz/KQ4Md1voj3JiOSeaVrRJhT2h+MC86RsytorJRGCqXf1acN3PvUmgNvFw3m EF4a44B4k3u9/Nnf4cll4JPezzOrSuSCKjsoysdXt21arMSmeLb/cScCAwEAAaN1 MHMwDwYDVR0TBAgwBgEB/wIBADALBgNVHQ8EBAMCAgQwEwYDVR0lBAwwCgYIKwYB BQUHAwEwHQYDVR0OBBYEFCg5w5yB+2KZJOzrXYZ055uZ66LfMB8GA1UdIwQYMBaA FCg5w5yB+2KZJOzrXYZ055uZ66LfMA0GCSqGSIb3DQEBCwUAA4IBAQCm7OIKMA1Z aUi1sQGLEY0+3u9iu58PRGTrPVqNLfzIjm00rhG2kugQI6NM/PDWt6f/huFJA5pW qimv0LXB9V5CInFkrhYAQChApsVlTmcGP2FFf9p+2irwjyIB0FsYXi8aVBkAOeEa twbCjQT/qqMRuxwuwtqAlHTR0HZSUfzVAYT/UFOgWvKuA8Rq2nESs+XwURByJLBT LKGbNFoKMH1OLkg+5nGt1i5Mvqwc4BoHhOnQel4ALyNX5aG5U2CRVh0HzCEFIfku r6XkOhidCPzKLKQEj5WLGyCO/4lKqacW+QOvZP07KaK8ko2WuxsWUs06d+XTJNek Fr11QUwcfN7n -----END CERTIFICATE-----

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jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 25 Contributor
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Hi frankzappa, thank you for sharing the certificate Firefox doesn't trust. It was "issued" (signed) using this information:

AVG Web/Mail Shield Root generated by AVG Antivirus for SSL/TLS scanning

Did you just install, update, or Refresh Firefox? Or update AVG?

When you first install Firefox (or Refresh it), it doesn't trust fake website certificates generated by "man in the middle" software. So you need to create trust between Firefox and AVG.

There may be a way to trigger AVG to inject it's credentials into the Firefox certificate file somewhere in AVG's settings, or you may just need to restart your system and let AVG discover that you now have Firefox installed.

This article has more background on this issue: How to troubleshoot security error codes on secure websites.