NginxProxyManager / NginxProxyManager/nginx-proxy-manager
After updating from 2.12.6 to 2.13.4 → “SSL handshake failed” (had to restore backup to get back online)
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Description
Hello,
I want to report an issue after updating Nginx Proxy Manager from version 2.12.6 to 2.13.4.
Right after the update, all my proxy hosts behind Cloudflare started returning:
SSL handshake failed
Additionally, the SSL Certificates page inside NPM turned completely white, and custom certificates were no longer processed correctly.
To get my system back online, I had to restore a full backup of version 2.12.6, where everything immediately started working again.
It seems there is a problem with SSL handling in version 2.13.x.
ps:
/data/custom_ssl/npm-3/
fullchain.pem
privkey.pem
Thank you.
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Research direction
Start with the custom certificate files at /data/custom_ssl/npm-3/fullchain.pem and /data/custom_ssl/npm-3/privkey.pem, then compare SSL handling between versions 2.12.6 and 2.13.4. Check the SSL Certificates page and a Cloudflare proxy host after updating; done means the page renders, custom certificates process correctly, and proxy hosts no longer return “SSL handshake failed”.
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Assessment
- Tech stack
- nginx
- Domain
- backend, frontend, security
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 45/100