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Comment by styanax

5 months ago

Sharing undocumented gotcha: nginx default config (/etc/nginx/nginx.conf) now has `server_tokens off` set with a comment that it's "common practice" (agreed). This is not in upstream's git version of the file[1], I therefore presume it's a Debian maintainer change.

The operational upgrade failure is if you have any existing drop-in config that sets `server_tokens off` already a hard fail Nginx error about duplicated keywords will occur, causing the apt process to exit with failure code(s) during the standard upgrade process.

[1] https://github.com/nginx/nginx/blob/master/conf/nginx.conf

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styanax

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