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Why does Firefox not open any website as it states that it is not secure?

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This is what I get when I open www.mozilla.org using Firefox, 'Your connection is not secure'. The owner of www.mozilla.org has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. In my opinion, Firefox is NOT working at all.

This is what I get when I open www.mozilla.org using Firefox, 'Your connection is not secure'. The owner of www.mozilla.org has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. In my opinion, Firefox is NOT working at all.

Chosen solution

The issuer of the certificate is your Bitdefender software.

  • Issuer C = US,O = Bitdefender,OU = IDS,CN = Bitdefender Personal CA.Net-Defender

See:

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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; OfficeLiveConnector.1.5; OfficeLivePatch.1.3; .NET4.0C; .NET CLR 1.1.4322; BRI/1; .NET4.0E; rv:11.0) like Gecko

More Information

cor-el
  • Top 10 Contributor
  • Moderator
15480 solutions 140180 answers

You can check the date and time and time zone in the clock on your computer: (double) click the clock icon on the Windows Taskbar.

You can click the "Advanced" button to expand this section to see extra details. If the certificate is not trusted because no issuer chain was provided (SEC_ERROR_UNKNOWN_ISSUER) then click the blue error message to expand this section and to show the certificate chain. You can paste the full base64 encoded certificate chain in a reply. Then we can check the issuer of the certificate.

You can check the date and time and time zone in the clock on your computer: (double) click the clock icon on the Windows Taskbar. *https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean *https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message You can click the "Advanced" button to expand this section to see extra details. If the certificate is not trusted because no issuer chain was provided (SEC_ERROR_UNKNOWN_ISSUER) then click the blue error message to expand this section and to show the certificate chain. You can paste the full base64 encoded certificate chain in a reply. Then we can check the issuer of the certificate.
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Question owner

AOL.com and Mozilla.com are websites that are secure, but Firefox will NOT allow me to go to these websites or any website. Firefox will not allow me to go to ANY website....whether it is secure or not. Here is the certificate:

https://www.aol.com/

Peer’s Certificate issuer is not recognized.

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

Certificate chain:

-----BEGIN CERTIFICATE----- MIIEpzCCA4+gAwIBAgIJAM2tgPfFiungMA0GCSqGSIb3DQEBCwUAMGAxLTArBgNV BAMMJEJpdGRlZmVuZGVyIFBlcnNvbmFsIENBLk5ldC1EZWZlbmRlcjEMMAoGA1UE CwwDSURTMRQwEgYDVQQKDAtCaXRkZWZlbmRlcjELMAkGA1UEBhMCVVMwHhcNMTYw OTIwMTI1NzM4WhcNMTkwOTE5MTMyNzM2WjBaMQswCQYDVQQGEwJVUzERMA8GA1UE CBMIVmlyZ2luaWExDzANBgNVBAcTBkR1bGxlczERMA8GA1UEChMIQU9MIEluYy4x FDASBgNVBAMTC3d3dy5hb2wuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAwvVzgMZcXM5DH+hVjc5P9col+DXHP1PDaH/lFQLOOjoI2ScIHIrkxCPS +ln51ZhHwJZPdm9cMFmyBY5Gq+Ztx4+qf5j5XygMSpGQdee6/EAR/N+OLD2YbsxR GBlc/0LCWLYxA66bTMWqDaKs5PPuULEEVTKBj4QmD3X+D8U8TyTtpR0MV86Tl3Mp TlDDckwKBhaSXSvodmAGz3zus1mR0Lcfk9LQ0l9BsDeOUMrMlkY/QI4jMmgebAH8 NCtyPKLWn95kylj8c2odga0VNLIbiaxp6hliRa0ZFM4oqqBh0R/KJ/t3g1iZsnYc VnfZB3V+lsAp83F08jzkCZ5DlRQclQIDAQABo4IBaDCCAWQwggFgBgNVHREEggFX MIIBU4ILd3d3LmFvbC5jb22CEWhwLWxhcHRvcC5hb2wuY29tghx3Lm1haW4ud2Vs Y29tZXNjcmVlbi5hb2wuY29tghlmaXJlZm94LXN0YXJ0cGFnZS5hb2wuY29tghxu Lm1haW4ud2VsY29tZXNjcmVlbi5hb2wuY29tghVjb21wYXEtbGFwdG9wLmFvbC5j b22CEXQudmVyaXpvbi5hb2wuY29tghJocC1kZXNrdG9wLmFvbC5jb22CFmNvbXBh cS1kZXNrdG9wLmFvbC5jb22CEW0udmVyaXpvbi5hb2wuY29tghNtLnZlcml6b24t Yi5hb2wuY29tghpuLnNiLndlbGNvbWVzY3JlZW4uYW9sLmNvbYIady5zYi53ZWxj b21lc2NyZWVuLmFvbC5jb22CEGhvbWVwYWdlLmFvbC5jb22CEmFtcG1ldHJpY3Mu YW9sLmNvbTANBgkqhkiG9w0BAQsFAAOCAQEAmTQg6xN0oF19kXPMT4tQMTE5XCqF drklDXz5Y+l5SIYEFTMkIMZzijjFv89GxdC0X27RlrSUWvVEnyUJpudOLC38Ouvn IHipuZfNgO2fY9zoUDhPIEjWezw9tsTc+zLSNmxoFlhjG4KtZ0/h+Rb1vPHel9E5 cds+/uRMi1V3JmqDqSStrkDpUfIsJH4rRYIVE4wqIN/yAj+Vtod7TGWRXuH83Uxt RvDJ9o5Z//v7SB17whDBpT7SwYQzb7x+/alB2m+Y6RsR0HZAIJ2a8L61+gNxg4ha kZIzZWB/dQrDJdtbC4rUpkawfCgYkWOtqik7PGhThdMTzt2x9wEhl92opg== -----END CERTIFICATE-----
AOL.com and Mozilla.com are websites that are secure, but Firefox will NOT allow me to go to these websites or any website. Firefox will not allow me to go to ANY website....whether it is secure or not. Here is the certificate: https://www.aol.com/ Peer’s Certificate issuer is not recognized. HTTP Strict Transport Security: false HTTP Public Key Pinning: false Certificate chain: -----BEGIN CERTIFICATE----- MIIEpzCCA4+gAwIBAgIJAM2tgPfFiungMA0GCSqGSIb3DQEBCwUAMGAxLTArBgNV BAMMJEJpdGRlZmVuZGVyIFBlcnNvbmFsIENBLk5ldC1EZWZlbmRlcjEMMAoGA1UE CwwDSURTMRQwEgYDVQQKDAtCaXRkZWZlbmRlcjELMAkGA1UEBhMCVVMwHhcNMTYw OTIwMTI1NzM4WhcNMTkwOTE5MTMyNzM2WjBaMQswCQYDVQQGEwJVUzERMA8GA1UE CBMIVmlyZ2luaWExDzANBgNVBAcTBkR1bGxlczERMA8GA1UEChMIQU9MIEluYy4x FDASBgNVBAMTC3d3dy5hb2wuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAwvVzgMZcXM5DH+hVjc5P9col+DXHP1PDaH/lFQLOOjoI2ScIHIrkxCPS +ln51ZhHwJZPdm9cMFmyBY5Gq+Ztx4+qf5j5XygMSpGQdee6/EAR/N+OLD2YbsxR GBlc/0LCWLYxA66bTMWqDaKs5PPuULEEVTKBj4QmD3X+D8U8TyTtpR0MV86Tl3Mp TlDDckwKBhaSXSvodmAGz3zus1mR0Lcfk9LQ0l9BsDeOUMrMlkY/QI4jMmgebAH8 NCtyPKLWn95kylj8c2odga0VNLIbiaxp6hliRa0ZFM4oqqBh0R/KJ/t3g1iZsnYc VnfZB3V+lsAp83F08jzkCZ5DlRQclQIDAQABo4IBaDCCAWQwggFgBgNVHREEggFX MIIBU4ILd3d3LmFvbC5jb22CEWhwLWxhcHRvcC5hb2wuY29tghx3Lm1haW4ud2Vs Y29tZXNjcmVlbi5hb2wuY29tghlmaXJlZm94LXN0YXJ0cGFnZS5hb2wuY29tghxu Lm1haW4ud2VsY29tZXNjcmVlbi5hb2wuY29tghVjb21wYXEtbGFwdG9wLmFvbC5j b22CEXQudmVyaXpvbi5hb2wuY29tghJocC1kZXNrdG9wLmFvbC5jb22CFmNvbXBh cS1kZXNrdG9wLmFvbC5jb22CEW0udmVyaXpvbi5hb2wuY29tghNtLnZlcml6b24t Yi5hb2wuY29tghpuLnNiLndlbGNvbWVzY3JlZW4uYW9sLmNvbYIady5zYi53ZWxj b21lc2NyZWVuLmFvbC5jb22CEGhvbWVwYWdlLmFvbC5jb22CEmFtcG1ldHJpY3Mu YW9sLmNvbTANBgkqhkiG9w0BAQsFAAOCAQEAmTQg6xN0oF19kXPMT4tQMTE5XCqF drklDXz5Y+l5SIYEFTMkIMZzijjFv89GxdC0X27RlrSUWvVEnyUJpudOLC38Ouvn IHipuZfNgO2fY9zoUDhPIEjWezw9tsTc+zLSNmxoFlhjG4KtZ0/h+Rb1vPHel9E5 cds+/uRMi1V3JmqDqSStrkDpUfIsJH4rRYIVE4wqIN/yAj+Vtod7TGWRXuH83Uxt RvDJ9o5Z//v7SB17whDBpT7SwYQzb7x+/alB2m+Y6RsR0HZAIJ2a8L61+gNxg4ha kZIzZWB/dQrDJdtbC4rUpkawfCgYkWOtqik7PGhThdMTzt2x9wEhl92opg== -----END CERTIFICATE-----
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Question owner

This is the certificate from Mozilla.com:

https://www.mozilla.org/en-US/firefox/new/

Peer’s Certificate issuer is not recognized.

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

Certificate chain:

-----BEGIN CERTIFICATE----- MIIEEjCCAvqgAwIBAgIJANR+oHUuHIpHMA0GCSqGSIb3DQEBCwUAMGAxLTArBgNV BAMMJEJpdGRlZmVuZGVyIFBlcnNvbmFsIENBLk5ldC1EZWZlbmRlcjEMMAoGA1UE CwwDSURTMRQwEgYDVQQKDAtCaXRkZWZlbmRlcjELMAkGA1UEBhMCVVMwHhcNMTYx MTA5MDAwMDAwWhcNMTgxMTE0MTIwMDAwWjCCAQIxHTAbBgNVBA8MFFByaXZhdGUg T3JnYW5pemF0aW9uMRMwEQYLKwYBBAGCNzwCAQMTAlVTMRswGQYLKwYBBAGCNzwC AQITCkNhbGlmb3JuaWExETAPBgNVBAUTCEMyNzU5MjA4MR4wHAYDVQQJExU2NTAg Q2FzdHJvIFN0IFN0ZSAzMDAxDjAMBgNVBBETBTk0MDQxMQswCQYDVQQGEwJVUzET MBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNTW91bnRhaW4gVmlldzEcMBoG A1UEChMTTW96aWxsYSBDb3Jwb3JhdGlvbjEUMBIGA1UEAxMLbW96aWxsYS5vcmcw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDC9XOAxlxczkMf6FWNzk/1 yiX4Ncc/U8Nof+UVAs46OgjZJwgciuTEI9L6WfnVmEfAlk92b1wwWbIFjkar5m3H j6p/mPlfKAxKkZB157r8QBH8344sPZhuzFEYGVz/QsJYtjEDrptMxaoNoqzk8+5Q sQRVMoGPhCYPdf4PxTxPJO2lHQxXzpOXcylOUMNyTAoGFpJdK+h2YAbPfO6zWZHQ tx+T0tDSX0GwN45QysyWRj9AjiMyaB5sAfw0K3I8otaf3mTKWPxzah2BrRU0shuJ rGnqGWJFrRkUziiqoGHRH8on+3eDWJmydhxWd9kHdX6WwCnzcXTyPOQJnkOVFByV AgMBAAGjKzApMCcGA1UdEQQgMB6CC21vemlsbGEub3Jngg93d3cubW96aWxsYS5v cmcwDQYJKoZIhvcNAQELBQADggEBAAor50KLjG9K3jW6opwwuQuQz3Ztx1++1r4w i+Qo6zJy7M8esV4yhbKIrxqfDvuBGa3TfR7JxC7OZi14zMgQ9H8SB5vwPCprk6lC Gh4/zo7C6XdSwsAshS4G7Rs+W2adfTovjOieHkjKzac0Aq/jayqs7ihBEWcABhEM Vck9OsqEqty1Ijt/0m3g9F1sIQBV5UXEUQBRuXio6YDY+2lTi5sj9CYYG/PGwZTA QavRNgwgzeHQwAWjZF0s1woQyP0LD1jcCFNzGYFf39h/XSkkKieu5FMJjvmP0ZCI xj/oU/0f4ZqN8mKG2gICcWvQLvoUa0S4abGYqK1bYwqiAXUGqOI= -----END CERTIFICATE----- 

This tells me that Mozilla website is NOT secure, when in fact it is.

This is the certificate from Mozilla.com: https://www.mozilla.org/en-US/firefox/new/ Peer’s Certificate issuer is not recognized. HTTP Strict Transport Security: false HTTP Public Key Pinning: false Certificate chain: -----BEGIN CERTIFICATE----- MIIEEjCCAvqgAwIBAgIJANR+oHUuHIpHMA0GCSqGSIb3DQEBCwUAMGAxLTArBgNV BAMMJEJpdGRlZmVuZGVyIFBlcnNvbmFsIENBLk5ldC1EZWZlbmRlcjEMMAoGA1UE CwwDSURTMRQwEgYDVQQKDAtCaXRkZWZlbmRlcjELMAkGA1UEBhMCVVMwHhcNMTYx MTA5MDAwMDAwWhcNMTgxMTE0MTIwMDAwWjCCAQIxHTAbBgNVBA8MFFByaXZhdGUg T3JnYW5pemF0aW9uMRMwEQYLKwYBBAGCNzwCAQMTAlVTMRswGQYLKwYBBAGCNzwC AQITCkNhbGlmb3JuaWExETAPBgNVBAUTCEMyNzU5MjA4MR4wHAYDVQQJExU2NTAg Q2FzdHJvIFN0IFN0ZSAzMDAxDjAMBgNVBBETBTk0MDQxMQswCQYDVQQGEwJVUzET MBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNTW91bnRhaW4gVmlldzEcMBoG A1UEChMTTW96aWxsYSBDb3Jwb3JhdGlvbjEUMBIGA1UEAxMLbW96aWxsYS5vcmcw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDC9XOAxlxczkMf6FWNzk/1 yiX4Ncc/U8Nof+UVAs46OgjZJwgciuTEI9L6WfnVmEfAlk92b1wwWbIFjkar5m3H j6p/mPlfKAxKkZB157r8QBH8344sPZhuzFEYGVz/QsJYtjEDrptMxaoNoqzk8+5Q sQRVMoGPhCYPdf4PxTxPJO2lHQxXzpOXcylOUMNyTAoGFpJdK+h2YAbPfO6zWZHQ tx+T0tDSX0GwN45QysyWRj9AjiMyaB5sAfw0K3I8otaf3mTKWPxzah2BrRU0shuJ rGnqGWJFrRkUziiqoGHRH8on+3eDWJmydhxWd9kHdX6WwCnzcXTyPOQJnkOVFByV AgMBAAGjKzApMCcGA1UdEQQgMB6CC21vemlsbGEub3Jngg93d3cubW96aWxsYS5v cmcwDQYJKoZIhvcNAQELBQADggEBAAor50KLjG9K3jW6opwwuQuQz3Ztx1++1r4w i+Qo6zJy7M8esV4yhbKIrxqfDvuBGa3TfR7JxC7OZi14zMgQ9H8SB5vwPCprk6lC Gh4/zo7C6XdSwsAshS4G7Rs+W2adfTovjOieHkjKzac0Aq/jayqs7ihBEWcABhEM Vck9OsqEqty1Ijt/0m3g9F1sIQBV5UXEUQBRuXio6YDY+2lTi5sj9CYYG/PGwZTA QavRNgwgzeHQwAWjZF0s1woQyP0LD1jcCFNzGYFf39h/XSkkKieu5FMJjvmP0ZCI xj/oU/0f4ZqN8mKG2gICcWvQLvoUa0S4abGYqK1bYwqiAXUGqOI= -----END CERTIFICATE----- This tells me that Mozilla website is NOT secure, when in fact it is.
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cor-el
  • Top 10 Contributor
  • Moderator
15480 solutions 140180 answers

Chosen Solution

The issuer of the certificate is your Bitdefender software.

  • Issuer C = US,O = Bitdefender,OU = IDS,CN = Bitdefender Personal CA.Net-Defender

See:

The issuer of the certificate is your Bitdefender software. *Issuer C = US,O = Bitdefender,OU = IDS,CN = Bitdefender Personal CA.Net-Defender See: *https://support.mozilla.org/en-US/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER
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zorro777 1 solutions 6 answers

I have windows 10 and norton. When I download firefox all sites give me the improper certificate error. Is there any fix?

I have windows 10 and norton. When I download firefox all sites give me the improper certificate error. Is there any fix?
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jscher2000
  • Top 10 Contributor
6448 solutions 52797 answers

Hi zorro777, this thread was already marked solved by the original post. Would you mind starting a new thread? You can do that here:

https://support.mozilla.org/questions/new/desktop/websites

Please also consult these articles so you can be a little more specific about the error messages you're getting and tell us what you've already checked:

Thanks.

Hi zorro777, this thread was already marked solved by the original post. Would you mind starting a new thread? You can do that here: https://support.mozilla.org/questions/new/desktop/websites Please also consult these articles so you can be a little more specific about the error messages you're getting and tell us what you've already checked: * "Your connection is not secure" -- page generally has an "Advanced" button to get more technical information. ** See: [[What does "Your connection is not secure" mean?]] ** In most cases, it's: [[How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites]] * "Secure Connection Failed" -- typically has scantier information about the problem and if the padlock appears normally, can be taken to mean "connection failed" ** See: [[Troubleshoot the "Secure Connection Failed" error message]] Thanks.
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cor-el
  • Top 10 Contributor
  • Moderator
15480 solutions 140180 answers

Hi zorro777

You can also check the date and time and time zone in the clock on your computer: (double) click the clock icon on the Windows Taskbar.

Hi zorro777 You can also check the date and time and time zone in the clock on your computer: (double) click the clock icon on the Windows Taskbar. *https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message
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