02-26-2017, 08:43 AM
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It's 42
Industry Role:
Join Date: Jun 2010
Location: Global
Posts: 18,083
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https://gist.github.com/medhi/25368643e33d650630cb
Maybe this will help -- it is 1 year old.
Quote:
bontchev commented on Mar 1, 2016
It does work on WinXP with Firefox (which uses a different certificate repository and has less buggy certificate parsing), so you might want to change your rule accordingly (i.e., redirect to HTTPS only if the OS is WinXP and the browser is not Firefox.
But this whole idea works only if one is visiting the site directly (via HTTP). If one clicks on an HTTPS link leading to the site, the redirection won't happen and the site will be inaccessible from these environments.
Basically, with free certificates like Let's Encrypt you get what you pay for. It's not their fault (it's a combination of problems in WinXP etc. and in the certificate they have been certified with), but there you have it.
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