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Firefox blocking connection to trusted private network site

Kuphostiwe

There is a private network at work, and the security certifcates aren't actively managed (computing cluster, maintenance network access on the compute nodes). Earlier versions of Firefox used to allow me to accept the risk for going forward with the connection, but the latest version is not currently allowing me to do that.

This is a Fedora linux system, current version Fedora 29. Thank you.

There is a private network at work, and the security certifcates aren't actively managed (computing cluster, maintenance network access on the compute nodes). Earlier versions of Firefox used to allow me to accept the risk for going forward with the connection, but the latest version is not currently allowing me to do that. This is a Fedora linux system, current version Fedora 29. Thank you.

Eminye Imininingwane Yohlelo

Fakela amapulagi

very limited

Isisebenziso

  • I-ejenti Engumsebenzisi: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:63.0) Gecko/20100101 Firefox/63.0

Eminye Imininingwane

FredMcD
  • Top 10 Contributor
4246 izisombululo 59390 izimpendulo
Kuphostiwe

What is the exact error messages?

What is the exact error messages?

Umnikazi wombuzo

From the browser window:


Secure Connection Failed

An error occurred during a connection to 192.168.176.210. You have received an invalid certificate.


There is more output. I understand in principle why the browser is not connecting. I want to proceed anyway. How do I get the browser to accept my direction?

From the browser window: --------------------------- Secure Connection Failed An error occurred during a connection to 192.168.176.210. You have received an invalid certificate. ---------------------------- There is more output. I understand in principle why the browser is not connecting. I want to proceed anyway. How do I get the browser to accept my direction?
FredMcD
  • Top 10 Contributor
4246 izisombululo 59390 izimpendulo
Kuphostiwe
I called for more help. 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

Umnikazi wombuzo

What I am reporting is that under Fedora 29, FF does not present the 'Advanced' button to allow end-user to choose to proceed. Please see attached image.

Latest FF on Win10 does provide this functionality, and it is accessible. Under Fedora 29, I'm sure the functionality is there, and yet in the http page rendering, no option is visible to engage with the advanced options and move to the site.

Cheers, ~ Em

What I am reporting is that under Fedora 29, FF does not present the 'Advanced' button to allow end-user to choose to proceed. Please see attached image. Latest FF on Win10 does provide this functionality, and it is accessible. Under Fedora 29, I'm sure the functionality is there, and yet in the http page rendering, no option is visible to engage with the advanced options and move to the site. Cheers, ~ Em
jscher2000
  • Top 10 Contributor
8693 izisombululo 71065 izimpendulo
Kuphostiwe

Hi emdrago, there are two different pages. The "Secure Connection Failed" page doesn't allow exceptions, only the "Your connection is not secure" page.

With the "re-used serial" error, the most common explanation is that you saved an exception before with the same serial number but something doesn't match, so Firefox stops trying to connect.

Try removing previously saved exceptions generated by the same server or device here:

  • Windows: "3-bar" menu button (or Tools menu) > Options
  • Mac: "3-bar" menu button (or Firefox menu) > Preferences
  • Linux: "3-bar" menu button (or Edit menu) > Preferences
  • Any system: type or paste about:preferences into the address bar and press Enter/Return to load it

In the search box at the top of the page, type cert and Firefox should filter to the "View Certificates" button, which you can click.

Most likely the exception with the duplicate serial number will be on the Servers tab. Look for ones you've added; ignore the ones that list * as the server, which are global distrust entries added by Firefox.

By analogy, here's a Dell support page: https://www.dell.com/support/article/us/en/04/sln118879/drac-sec_error_reused_issuer_and_serial-error-when-connecting-to-idrac6-with-firefox?lang=en

Hi emdrago, there are two different pages. The "Secure Connection Failed" page doesn't allow exceptions, only the "Your connection is not secure" page. With the "re-used serial" error, the most common explanation is that you saved an exception before with the same serial number but something doesn't match, so Firefox stops trying to connect. Try removing previously saved exceptions generated by the same server or device here: * Windows: "3-bar" menu button (or Tools menu) > Options * Mac: "3-bar" menu button (or Firefox menu) > Preferences * Linux: "3-bar" menu button (or Edit menu) > Preferences * Any system: type or paste '''about:preferences''' into the address bar and press Enter/Return to load it In the search box at the top of the page, type ''cert'' and Firefox should filter to the "View Certificates" button, which you can click. Most likely the exception with the duplicate serial number will be on the Servers tab. Look for ones you've added; ignore the ones that list * as the server, which are global distrust entries added by Firefox. ''By analogy, here's a Dell support page:'' https://www.dell.com/support/article/us/en/04/sln118879/drac-sec_error_reused_issuer_and_serial-error-when-connecting-to-idrac6-with-firefox?lang=en