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In regards to SHA1, Does this mean a hard block with no way around it?

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In this article: https://blog.mozilla.org/security/2015/10/20/continuing-to-phase-out-sha-1-certificates/

Point number 3 mentions: Show the “Untrusted Connection” error whenever a SHA-1 certificate is encountered in Firefox after January 1, 2017

Does this mean a hard block with no way around it, or will the user have the option to click past the warnings and eventually get to the site?

In this article: https://blog.mozilla.org/security/2015/10/20/continuing-to-phase-out-sha-1-certificates/ Point number 3 mentions: Show the “Untrusted Connection” error whenever a SHA-1 certificate is encountered in Firefox after January 1, 2017 Does this mean a hard block with no way around it, or will the user have the option to click past the warnings and eventually get to the site?

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Currently those types of warning are overrideable with the user able to set an exception

For confirmation and clarification please use the Mozilla fora and post in