Firefox Support Forum

Hi,

I'm not able to access https://pixabay.com/ as I get the message above (question bar) showing. Having checked out Q&A I tried deleting the cert8.db file then re-starting Mozilla, no joy. I am a bit reluctant to do a refresh as I'm unsure how it would affect my system? I am not that computer literate! I did do an SSL check & both their server & info bar url came back as A+.

Around the same time I now also can't access https://personofinterestdiscussion.com/ I did an SSL check & that came up with vulnerabiities. (I made a note of some if needed.) Their overall safety rating is F - grade capped to C . I haven't made any changes to my laptop lately (Windows 7) & haven't had problems accessing either site until a couple of days ago & I just don't know what to do to get back onto both. I have anti virus, anti spyware, anti malware etc installed with no problems, also Mozilla's website protection. I scan my laptop daily. This has came on so suddenly & I really want to get back onto both sites, so any help would be very much appreciated. Thanks!  :)

I have an HP Pavillon, Juno email and Firefox is my default browser, At some point while accessing my email I will get the "unresponsive script" error and although it gives my options to continue, debug or close, none of it works and computer freezes. So I have to go to Task Manager and close everything down and start over. Very frustrating. It has also happened when I have been on other websites or with Internet Explorer. HP has tried fixing it, Juno has tried ....all to no avail. I've tried refresh, done many virus/malware scans, etc. It seems to me there is a plug-in or an add-in or some box somewhere not checked. Any ideas?

this used to be on the advanced tab of the options menu, but is no longer there and I can not find it anywhere. Anyone know where this was moved to?

I have an exception I would like to remove.

Secure Connection Failed

An error occurred during a connection to gmail.com. SSL received a record that exceeded the maximum permissible length. Error code: SSL_ERROR_RX_RECORD_TOO_LONG

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

Suddenly getting error message "Access Denied on this server", from a website I frequent. Do not have this problem accessing other sites. Can someone please provide a solution. I am not a techie, so please be kind and clear with instructions! Thanks.

Starting today whenever I try to open google or other website, i got this error : "You must log in to this network before you can access the Internet. 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."

when i click Advanced, the following message shows : "www.google.com uses an invalid security certificate. The certificate is not trusted because it is self-signed. Error code: MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT" (image attached : image1)

I try this solution : https://support.mozilla.org/en-US/questions/1116116 which is shows something like this (image2)

i try to find program BrowserSafe as the post suggest but there's none. I use windows 7 and this is the first time i experience this problem

This message keeps appearing when I attempt to access a new site: SEC_ERROR_REUSED_ISSUER_AND_SERIAL

The page for security certificates that is linked to from the error page lists several errors but does not include this one. There is nothing showing up when I search your support pages. Please can you supply the information required to sort this problem out.

I have Kaspersky Total Security.

Thank you

Jon Freeman

This started July 4th. Unable to access my bank account login page, with either the bookmarked page I have used for years or entering IP address for direct log in to site . I have refreshed. Same problem I called the bank, they had me try Explorer, and it logged in without a problem, so did Chrome. No problem with other browsers. I get a Security Connection Failed page instead of the bank log in page. I have on occasion been able to goggle the bank and log on with Firefox, but not usually. This is the page that pops up instead of the bank log in page. Secure Connection Failed The connection to www.bankofthewest.com was interrupted while the page was loading. The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.

   Please contact the website owners to inform them of this problem.

18-Dec-19 Wednesday

Large transfer upon starting computer to map2.hwcdn.net

Index	Protocol	Local Address	Remote Address	Local Port	Remote Port	Local Host	Remote Host	Service Name	Packets	Data Size	Total Size	Data Speed	Capture Time	Last Packet Time	Duration	
1	TCP	192.168.1.235	205.185.216.10	49827	80	AtbZ97Pro1	map2.hwcdn.net	http	34,578	31,492,272 Bytes	32,876,099 Bytes	206.0 KB/Sec	2018-12-19 12:08:41 PM:127	2018-12-19 12:11:10 PM:399	00:02:29.271	

1	205.185.216.10	Succeed	USA - Texas	HIGHWINDS-AC3	Highwinds Network Group, Inc.	205.185.216.0	205.185.216.255	205.185.216.0/24	Yes	Highwinds Network Group, Inc.	2021 McKinney Avenue Suite 1100, Dallas	75201	ip-request@hwng.net	abuse@hwng.net	+1-469-899-5729 		ARIN		map2.hwcdn.net	

Index	Protocol	Local Address	Remote Address	Local Port	Remote Port	Local Host	Remote Host	Service Name	Packets	Data Size	Total Size	Data Speed	Capture Time	Last Packet Time	Duration	
2	TCP	192.168.1.235	205.185.216.42	49828	80	AtbZ97Pro1	map2.hwcdn.net	http	35,071	31,951,471 Bytes	33,354,948 Bytes	209.2 KB/Sec	2018-12-19 12:08:41 PM:259	2018-12-19 12:11:10 PM:407	00:02:29.147	

1	205.185.216.42	Succeed	USA - Texas	HIGHWINDS-AC3	Highwinds Network Group, Inc.	205.185.216.0	205.185.216.255	205.185.216.0/24	Yes	Highwinds Network Group, Inc.	2021 McKinney Avenue Suite 1100, Dallas	75201	ip-request@hwng.net	abuse@hwng.net	+1-469-899-5729 		ARIN		map2.hwcdn.net	

I tried to connect to the site:

Your connection is not secure

The owner of map2.hwcdn.net has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

Learn more…

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

map2.hwcdn.net uses an invalid security certificate. The certificate is only valid for the following names: *.ssl.hwcdn.net, ssl.hwcdn.net Error code: SSL_ERROR_BAD_CERT_DOMAIN

https://map2.hwcdn.net/ Unable to communicate securely with peer: requested domain name does not match the server’s certificate. HTTP Strict Transport Security: false HTTP Public Key Pinning: false Certificate chain:

-----BEGIN CERTIFICATE----- MIIFNjCCBB6gAwIBAgIRAI8E553QatOOcv1g24+QktswDQYJKoZIhvcNAQELBQAw gZAxCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO BgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoTEUNPTU9ETyBDQSBMaW1pdGVkMTYwNAYD VQQDEy1DT01PRE8gUlNBIERvbWFpbiBWYWxpZGF0aW9uIFNlY3VyZSBTZXJ2ZXIg Q0EwHhcNMTcxMjE5MDAwMDAwWhcNMTkwMTIwMjM1OTU5WjA9MSEwHwYDVQQLExhE b21haW4gQ29udHJvbCBWYWxpZGF0ZWQxGDAWBgNVBAMMDyouc3NsLmh3Y2RuLm5l dDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANO7IdpUAlxo8DNG0mya fruZUKmHMerH7NMu6/qaAdXQlB+31QyRemofRnzOI8jkEuo5e6nywkx6/xylVnBw j4Wsf10+H2K9SeYJEXFZhXoNfs7eZpib3v12hk/6cGVd0zBsDiA8O06kvtnG73Zy tIageOujtDIKCsTRyd3Hwz1DAExmDxQohsuEVza9cm/g8jPhPYBo9iGQQKvxGDrp hNTqyKMOB8np53/MEuwAzW0CgECbripdYa+9hMBgpWXRYSbmASfXk+5gQHBhdRiJ +UjwDO/j7XL6dA9RV07DCzp4wXmm5bnaA6g2ja4uWa2U6OQNoeb5CLNZP7RcI0Vi Bn0CAwEAAaOCAdswggHXMB8GA1UdIwQYMBaAFJCvajqUWgvYkOoSVnPfQ7Q6KNrn MB0GA1UdDgQWBBRZeTBB7m08gUUuG/NpRXvfDpAs0zAOBgNVHQ8BAf8EBAMCBaAw 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It is not giving me an Advanced button or an "I know the risks" button, or any other way to respond. Among the sites that won't load is mozilla.org.

This is what the window says when I try to visit almost any https site:

Your connection is not secure

The website tried to negotiate an inadequate level of security.

www.mozilla.org uses security technology that is outdated and vulnerable to attack. An attacker could easily reveal information which you thought to be safe. The website administrator will need to fix the server first before you can visit the site.

Error code: NS_ERROR_NET_INADEQUATE_SECURITY

I looked at the troubleshooting information, "Important Modified Preferences", but there were no security.* preferences mentioned, or any mention of SSL/TLS.

I tried refreshing again but same result.

Oddly, app.napster.com loads OK (but I can't get it to play any music).

Using 57.0.1, 64-bit, Fedora 27, Linux kernel 4.14.8.

No matter which website I try recently I keep getting "Your connection is not secure" and Error code: SEC_ERROR_UNKNOWN_ISSUER Other web browsers work fine. I tried disabling Avira and have Firefox in my list of Windows firewall exceptions but the problem was not solved. Below is a dump of the error messages. Let me know what I can do to fix this issue once and for all. I am running Windows 10 and using Firefox 60.0.1 (64-bit)

www.google.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

https://www.google.com/

Peer’s Certificate issuer is not recognized.

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

Certificate chain:

MIIDRzCCAi+gAwIBAgIEWxB1+TANBgkqhkiG9w0BAQsFADB2MQswCQYDVQQGEwJV UzEbMBkGA1UECgwSQ29udGVudFdhdGNoLCBJbmMuMSswKQYDVQQDDCJDb250ZW50 V2F0Y2ggQ2VydGlmaWNhdGUgQXV0aG9yaXR5MR0wGwYDVQQLDBR3d3cuY29udGVu dHdhdGNoLmNvbTAeFw0xODA1MTUyMDQwMjRaFw0xODA4MDcxOTUzMDBaMGgxCzAJ BgNVBAYTAlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFp biBWaWV3MRMwEQYDVQQKDApHb29nbGUgTExDMRcwFQYDVQQDDA53d3cuZ29vZ2xl LmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAwsXbrGozZwzGB1QVGP6N Nykl5GScJBVgMG/kUpJc6+koC+wu4+b2RNwMIHd42I8HS/84nf0NNMooc3yOM1Kh gexXGDKDa0eMCTMWs0fobNH6tYTJr1TQbYM9aK3vpdCqDJs3G7gE/1cH7hY5MGgv 2lZLxeoKFag7DzfGGavU1tMCAwEAAaNvMG0wEwYDVR0lBAwwCgYIKwYBBQUHAwEw DgYDVR0PAQH/BAQDAgeAMBkGA1UdEQQSMBCCDnd3dy5nb29nbGUuY29tMB0GA1Ud DgQWBBRiz5xdwnstoQ+lsGNLtCfI3OH14DAMBgNVHRMBAf8EAjAAMA0GCSqGSIb3 DQEBCwUAA4IBAQBYdNDKthe3FAk44Rsq5rr3qJ28v0O1vj7FAUTAPvI9WGf6QsHp yxZjgHgrVi8Vnncp99Os3sOxm7NKAC1I8caUHs1Y0BNaInPcokq/154P8LG2IIiy iuzeB9Rjku7KlZAujSNJmkdo2lGvaCwjyxka6I2/wzcHXrdq/ee2tEBsShTD7GYs qwdqvgUV/+AIQ0ioe2xyrypNSxb7wAUv+exRW9zUtie7h7Of2SoSlPuroHsejK9Y R2a1ZZKqXMDMyeZ3Nz2g00Wz9c96ruRRz7DjX6wQhIV1gLsm3yOavcA2l/TzuR4x 55P2g+nXPeVsAW2/R68E6Z70Zt87Mqx+KNWD

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" 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)"

what do i do with this error ??

Hi,

I own the following website: http://antarkia.training

It is a private site of my business where we use an e-Learning platform named Moodle.

For years, I've used Firefox to acces it, including today in the morning.

But some hours later, I can't acces it, because Firefox "thinks" it is using a secure connection (https), and it is not "well configured".

When I check the error information, I find this (I'm translating from Spanish):

antarkia.training uses an unvalid security certificate. The certificate is only valid for the following names: training.uwpd.wisc.edu, www.training.uwpd.wisc.edu Code error: SSL_ERROR_BAD_CERT_DOMAIN

The domain https://training.uwpd.wisc.edu/ also uses a Moodle platform, that I checked some days ago.

If I add the exception to Firefox, instead of seeing the "antarkia.training" Moodle webpage, I see the "training.uwpd.wisc.edu" Moodle webpage.

I've cleared the cache, cookies, etc., as well as all the exceptions I've created in Firefox, through the advanced options of the configuration (preferences) area.

Any suggestions will be appreciated.

PS If I usea another browser (Google Chrome, Opera, SeaMonkey), everything works well).

David Hernández

Since upgrading to firefox 50.0.1 I cannot do a search with Google (or any other engine) search. I get "Your connection is not secure". Everything works with Chrome and Safari. I have a MACBook Pro OSX 10.12.1 with no antivirus. Firefox is set up to ignore IVP6 and I have no proxy. I can't even run the "SSL Labs' test page" as suggested by the Mozilla help pages. What is going on? What is stopping searches. I can browse other pages without a problem. thanks for any help.

I can not log in to one site. This began just a few days ago. I CAN log in using Chrome and Edge with no problem. I have refreshed Firefox, removed all add-ons, even uninstalled and reinstalled to no avail. This is the error message I receive today:

login.diamondresorts.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

Yesterday I saw a longer text message with lots of coding 'jiberish'.

What can I do?

Ever since I upgraded to Firefox 63, several trusted websites have stopped loading; instead I get sent to an error page with:

Your connection is not secure

The website tried to negotiate an inadequate level of security.

<www.thestar.com> uses security technology that is outdated and vulnerable to attack. An attacker could easily reveal information which you thought to be safe. The website administrator will need to fix the server first before you can visit the site.

Error code: NS_ERROR_NET_INADEQUATE_SECURITY

This also occurs with https://download-installer.cdn.mozilla.net/pub/firefox/releases/63.0.1/win32/en-US/Firefox%20Installer.exe

Is the problem at my end or theirs? If the former, what do I need to do to return to the behaviour for FF 62?

I've been using hushmail.com for years. All of a sudden, just now, firefox is saying its insecure:

"secure.hushmail.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 easily accessed hushmail in safari. I'm signed in right now.

Any issues with me making an exception?

Hi,

I get this error message when I try connecting to Netflix and some other sites such as Origin when I am connected to a WiFI:

Your connection is not secure

The owner of www.netflix.com 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

www.netflix.com uses an invalid security certificate.

The certificate is not trusted because it is self-signed. The certificate is only valid for .

Error code: MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT

HOWEVER, the sites work fine when I plug in my phone and use it's hotspot data. Any ideas? I've been trying for weeks, thanks.