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# Originally from: |
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# https://community.letsencrypt.org/t/how-to-nginx-configuration-to-enable-acme-challenge-support-on-all-http-virtual-hosts/5622 |
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############################################################################# |
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# Configuration file for Let's Encrypt ACME Challenge location |
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# This file is already included in listen_xxx.conf files. |
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# Do NOT include it separately! |
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############################################################################# |
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# |
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# This config enables to access /.well-known/acme-challenge/xxxxxxxxxxx |
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# on all our sites (HTTP), including all subdomains. |
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# This is required by ACME Challenge (webroot authentication). |
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# You can check that this location is working by placing ping.txt here: |
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# /var/www/letsencrypt/.well-known/acme-challenge/ping.txt |
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# And pointing your browser to: |
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# http://xxx.domain.tld/.well-known/acme-challenge/ping.txt |
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# |
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# Sources: |
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# https://community.letsencrypt.org/t/howto-easy-cert-generation-and-renewal-with-nginx/3491 |
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# |
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############################################################################# |
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# Rule for legitimate ACME Challenge requests (like /.well-known/acme-challenge/xxxxxxxxx) |
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# We use ^~ here, so that we don't check other regexes (for speed-up). We actually MUST cancel |
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# other regex checks, because in our other config files have regex rule that denies access to files with dotted names. |
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location ^~ /.well-known/acme-challenge/ { |
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# Set correct content type. According to this: |
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# https://community.letsencrypt.org/t/using-the-webroot-domain-verification-method/1445/29 |
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# Current specification requires "text/plain" or no content header at all. |
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# It seems that "text/plain" is a safe option. |
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default_type "text/plain"; |
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# This directory must be the same as in /etc/letsencrypt/cli.ini |
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# as "webroot-path" parameter. Also don't forget to set "authenticator" parameter |
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# there to "webroot". |
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# Do NOT use alias, use root! Target directory is located here: |
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# /var/www/common/letsencrypt/.well-known/acme-challenge/ |
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root /var/www/letsencrypt; |
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} |
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# Hide /acme-challenge subdirectory and return 404 on all requests. |
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# It is somewhat more secure than letting Nginx return 403. |
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# Ending slash is important! |
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location = /.well-known/acme-challenge/ { |
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return 404; |
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} |