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Firefox not working on some ssl sites

montgomery.dean
montgomery.dean
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We recently upgraded Firefox on an older Ubuntu 16.04. We are now having trouble with some https sites.

Error code: SEC_ERROR_UNKNOWN_ISSUER https://www.myeducation.gov.bc.ca/aspen/logon.do

We don't think it is a firewall or antivirus/antispyware issue because the same version of Firefox will work on other versions of Linux/windows in the school.

We did notice a difference in the Certificate Manager. The Firefox that is NOT working is missing certificates that are labelled "Software Security Device". The site that fails is looking for "Entrust Certification Authority -L1K" which should be listed as a "Software Security Device" in Firefox.

We have tried the following:

  • Updated ca-certificates package which stores system certificates in /etc/ssl/certs/.
  • move $HOME/.mozilla folder out of the way to start with a fresh profile.
  • tested same Firefox on other versions of Linux and it works fine.
  • made sure antivirus/firewalls are not interfering.
We recently upgraded Firefox on an older Ubuntu 16.04. We are now having trouble with some https sites. Error code: SEC_ERROR_UNKNOWN_ISSUER https://www.myeducation.gov.bc.ca/aspen/logon.do We don't think it is a firewall or antivirus/antispyware issue because the same version of Firefox will work on other versions of Linux/windows in the school. We did notice a difference in the Certificate Manager. The Firefox that is NOT working is missing certificates that are labelled "Software Security Device". The site that fails is looking for "Entrust Certification Authority -L1K" which should be listed as a "Software Security Device" in Firefox. We have tried the following: * Updated ca-certificates package which stores system certificates in /etc/ssl/certs/. * move $HOME/.mozilla folder out of the way to start with a fresh profile. * tested same Firefox on other versions of Linux and it works fine. * made sure antivirus/firewalls are not interfering.
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Solução escolhida

Hi montgomery dean, the "Software Security Device" certificates are usually intermediate certificates that Firefox has cached from sites that served these. These certificates complete the chain of trust between the site's own certificate and the root certificates included with Firefox.

The SSLLabs test shows the server is not sending the intermediate certificates itself, so they need to update their SSL Configuration on the server.

https://www.ssllabs.com/ssltest/analyze.html?d=www.myeducation.gov.bc.ca

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jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 25 Contributor
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Solução escolhida

Hi montgomery dean, the "Software Security Device" certificates are usually intermediate certificates that Firefox has cached from sites that served these. These certificates complete the chain of trust between the site's own certificate and the root certificates included with Firefox.

The SSLLabs test shows the server is not sending the intermediate certificates itself, so they need to update their SSL Configuration on the server.

https://www.ssllabs.com/ssltest/analyze.html?d=www.myeducation.gov.bc.ca

Alterado por jscher2000 - Support Volunteer em

montgomery.dean
montgomery.dean Autor da pergunta
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Confirmed. If I visit the entrusted website and use the "Test My Browser" buttons then the root certificate get's loaded into the browser and the site that previously failed works properly.

www entrustdatacard com / pages / root-certificates-download

Alterado por montgomery.dean em