Hi everyone, After updating my Discourse site to 3.5.0.beta8-dev, I’m suddenly getting a 521 “Web server is down” error when accessing the site through Cloudflare. This is unexpected since I had previously configured it according to this guide , and it had been working perfectly until now. Then I t…

I have never made the transition from private certificates to Let’s Encrypt with Discourse, and with that said… Within the app.yml, you will need to uncomment in two locations: Template line for - "templates/web.letsencrypt.ssl.template.yml" The Let’s Encrypt account email: ## If you added the…

Discourse 3.5.0.beta8-dev へのアップグレード後に Cloudflare 521 エラーが発生する

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system (system) クローズされました: 2025 年 8 月 26 日午前 3:08 7

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Error 521 after latest update due to CloudFlare settings Installation	19	2654	2020 年 5 月 19 日
Trying to use Let's Encrypt + Cloudflare Support	20	3316	2019 年 3 月 4 日
After updating website wont come back online Support	10	944	2019 年 11 月 4 日
Need help with installing discourse Installation	3	497	2023 年 7 月 1 日
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Discourse 3.5.0.beta8-dev へのアップグレード後に Cloudflare 521 エラーが発生する

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