Test page: https://subdomain.preloaded-hsts.badssl.com/ Learn more link: https://support.mozilla.org/1/firefox/149.0/WINNT/en-US/connection-not-secure "Secure connection and security warning error pages in Firefox" KB article
Bug 2021712 Comment 3 Edit History
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Test page: https://subdomain.preloaded-hsts.badssl.com/ Firefox 149 Beta error page with Advanced panel Learn more link: https://support.mozilla.org/1/firefox/149.0/WINNT/en-US/connection-not-secure "Secure connection and security warning error pages in Firefox" KB article
Test page: https://subdomain.preloaded-hsts.badssl.com/ Firefox 149 Beta error page with Advanced panel (no option to bypass error) Learn more link: https://support.mozilla.org/1/firefox/149.0/WINNT/en-US/connection-not-secure "Secure connection and security warning error pages in Firefox" KB article