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Web server error by Cloudflare for secure sites

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Ronzerelle
Ronzerelle
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Desktop Mac with Sonoma OS, up-to-date. Not signed into Mozilla. VPN is off. Extensions off. History, Cache and Cookies deleted. Restarted computer. Returned from a 10-day vacation and now I can't access secure banking websites on Firefox 130.0.1 but Chrome works without issue. I don't access banks that often so I can't say with assurance that the problem occurred over the last 10 days.

I use the Firefox Settings, Saved passwords page and click on the website address for the specific site there to ensure the username and password will load. Twice today, different banking institutions, I was unable to login. Continue to receive an error message. One was for Secure Connection Failed ... unable to verify data received from site. Second (different) site was for Web Server Error involving Cloudfare despite my Firefox settings set to use DNS Quad9, not Cloudflare. Currently set to Maximum Protection-Custom-Quad9 which has always functioned before. Have tried to use "Default Protection"and "Increased Protection" with no change in outcome.

If I have to copy and paste my username and password from Firefox to a Chrome site each time, there's no point in continuing to use Firefox.

Desktop Mac with Sonoma OS, up-to-date. Not signed into Mozilla. VPN is off. Extensions off. History, Cache and Cookies deleted. Restarted computer. Returned from a 10-day vacation and now I can't access secure banking websites on Firefox 130.0.1 but Chrome works without issue. I don't access banks that often so I can't say with assurance that the problem occurred over the last 10 days. I use the Firefox Settings, Saved passwords page and click on the website address for the specific site there to ensure the username and password will load. Twice today, different banking institutions, I was unable to login. Continue to receive an error message. One was for Secure Connection Failed ... unable to verify data received from site. Second (different) site was for Web Server Error involving Cloudfare despite my Firefox settings set to use DNS Quad9, not Cloudflare. Currently set to Maximum Protection-Custom-Quad9 which has always functioned before. Have tried to use "Default Protection"and "Increased Protection" with no change in outcome. If I have to copy and paste my username and password from Firefox to a Chrome site each time, there's no point in continuing to use Firefox.

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