[GH-ISSUE #1406] privkey changed in size from v2.9.4 and it is not recognized anymore as a valid privkey on QNAP NAS #1101

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opened 2026-02-26 06:35:45 +03:00 by kerem · 1 comment

kerem commented

2026-02-26 06:35:45 +03:00

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Originally created by @hjhm35 on GitHub (Sep 14, 2021).
Original GitHub issue: https://github.com/NginxProxyManager/nginx-proxy-manager/issues/1406

Is it possible that the privkey file is not valid anymore? V2.9.4 generates privkey filesize about 1,66 kb. Higher versions (also 2.9.9) create privkeys with a size of 306 bytes. My QNAP NAS says that the file is not valid. When I create certificates with v2.9.4 then it works well.

Originally created by @hjhm35 on GitHub (Sep 14, 2021). Original GitHub issue: https://github.com/NginxProxyManager/nginx-proxy-manager/issues/1406 Is it possible that the privkey file is not valid anymore? V2.9.4 generates privkey filesize about 1,66 kb. Higher versions (also 2.9.9) create privkeys with a size of 306 bytes. My QNAP NAS says that the file is not valid. When I create certificates with v2.9.4 then it works well.

kerem

2026-02-26 06:35:45 +03:00

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kerem commented

2026-02-26 06:35:46 +03:00

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@chaptergy commented on GitHub (Oct 5, 2021):

The default config has been changed to use ecdsa instead of rsa. Maybe your system does not support this cryptographic method? You can overwrite /etc/letsencrypt.ini by mounting your own file into the docker container to remove these lines if you want to go back to rsa.

@chaptergy commented on GitHub (Oct 5, 2021): The default config has been changed to use ecdsa instead of rsa. Maybe your system does not support this cryptographic method? You can overwrite `/etc/letsencrypt.ini` by mounting your own file into the docker container to remove these lines if you want to go back to rsa.

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starred/nginx-proxy-manager-NginxProxyManager#1101

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