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Update nginx config to use strong ssl security
https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
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‎web-server/nginx/gitlab-ssl

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# GITLAB
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# Contributors: yin8086, sashkab, orkoden, axilleas
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# App Version: 5.4 - 6.0
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# Modified from nginx http version
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# Modified from http://blog.phusion.nl/2012/04/21/tutorial-setting-up-gitlab-on-debian-6/
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# You need to run openssl to generate a self-signed ssl certificate.
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# cd /etc/nginx/
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# sudo openssl req -new -x509 -nodes -days 3560 -out gitlab.crt -keyout gitlab.key
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# sudo chmod o-r gitlab.key
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# Also you need to edit gitlab-shell config.
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# 1) Set "gitlab_url" param in gitlab-shell/config.yml to https://git.example.com
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# 2) Set "ca_file" to /etc/nginx/gitlab.crt
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# 3) Set "self_signed_cert" to true
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# You also need to edit gitlab/config/gitlab.yml
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# 1) Define port for http "port: 443"
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# 2) Enable https "https: true"
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# 3) Update ssl for gravatar "ssl_url: https://secure.gravatar.com/avatar/%{hash}?s=%{size}&d=mm"
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## GitLab
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## Contributors: randx, yin8086, sashkab, orkoden, axilleas
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## App Version: 5.4 - 6.0
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##
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## Modified from nginx http version
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## Modified from http://blog.phusion.nl/2012/04/21/tutorial-setting-up-gitlab-on-debian-6/
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##
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## Lines starting with two hashes (##) are comments containing information
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## for configuration. One hash (#) comments are actual configuration parameters
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## which you can comment/uncomment to your liking.
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##
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###################################
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## SSL configuration ##
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###################################
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##
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## Optimal configuration is taken from:
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## https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
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## Make sure to read it and understand what each option does.
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##
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## [Optional] Generate a self-signed ssl certificate:
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## cd /etc/nginx/
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## sudo openssl req -new -x509 -nodes -days 3560 -out gitlab.crt -keyout gitlab.key
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## sudo chmod o-r gitlab.key
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##
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## Edit `gitlab-shell/config.yml`:
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## 1) Set "gitlab_url" param in `gitlab-shell/config.yml` to `https://git.example.com`
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## 2) Set "ca_file" to `/etc/nginx/gitlab.crt`
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## 3) Set "self_signed_cert" to `true`
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## Edit `gitlab/config/gitlab.yml`:
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## 1) Define port for http "port: 443"
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## 2) Enable https "https: true"
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## 3) Update ssl for gravatar "ssl_url: https://secure.gravatar.com/avatar/%{hash}?s=%{size}&d=mm"
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##
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##################################
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## CHUNKED TRANSFER ##
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##################################
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##
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## It is a known issue that Git-over-HTTP requires chunked transfer encoding [0]
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## which is not supported by Nginx < 1.3.9 [1]. As a result, pushing a large object
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## with Git (i.e. a single large file) can lead to a 411 error. In theory you can get
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## around this by tweaking this configuration file and either:
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## - installing an old version of Nginx with the chunkin module [2] compiled in, or
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## - using a newer version of Nginx.
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##
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## At the time of writing we do not know if either of these theoretical solutions works. As a workaround
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## users can use Git over SSH to push large files.
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##
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## [0] https://git.kernel.org/cgit/git/git.git/tree/Documentation/technical/http-protocol.txt#n99
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## [1] https://github.com/agentzh/chunkin-nginx-module#status
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## [2] https://github.com/agentzh/chunkin-nginx-module
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upstream gitlab {
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@@ -25,60 +57,98 @@ upstream gitlab {
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## Uncomment if puma/unicorn are configured to listen on a tcp port.
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## Check the port number in /home/git/gitlab/config/{puma.rb/unicorn.rb}
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# server 127.0.0.1:9292;
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# server 127.0.0.1:8080;
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}
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# This is a normal HTTP host which redirects all traffic to the HTTPS host.
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# Replace git.example.com with your FQDN.
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## This is a normal HTTP host which redirects all traffic to the HTTPS host.
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server {
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listen *:80;
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server_name git.example.com;
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server_tokens off;
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root /nowhere; # this doesn't have to be a valid path since we are redirecting, you don't have to change it.
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rewrite ^ https://$server_name$request_uri permanent;
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listen *:80;
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## Replace git.example.com with your FQDN.
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server_name git.example.com;
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server_tokens off;
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## this doesn't have to be a valid path since we are redirecting, you don't have to change it.
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root /nowhere;
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rewrite ^ https://$server_name$request_uri permanent;
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}
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server {
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listen 443 ssl;
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server_name git.example.com;
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server_tokens off;
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listen 443 ssl;
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server_name git.example.com; # Replace git.example.com with your FQDN.
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server_tokens off;
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root /home/git/gitlab/public;
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## Increase this if you want to upload large attachments
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## Or if you want to accept large git objects over http
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client_max_body_size 20m;
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## Strong SSL Security
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## https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
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ssl on;
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ssl_certificate /etc/nginx/gitlab.crt;
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ssl_certificate_key /etc/nginx/gitlab.key;
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ssl_ciphers 'ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4';
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ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
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ssl_session_cache builtin:1000 shared:SSL:10m;
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ssl_stapling on;
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ssl_stapling_verify on;
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resolver 8.8.4.4 8.8.8.8 valid=300s;
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resolver_timeout 10s;
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ssl_prefer_server_ciphers on;
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## [Optional] Generate a stronger DHE parameter (recommended):
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## cd /etc/ssl/certs
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## openssl dhparam -out dhparam.pem 2048
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##
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# ssl_dhparam /etc/ssl/certs/dhparam.pem;
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add_header Strict-Transport-Security max-age=63072000;
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add_header X-Frame-Options DENY;
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add_header X-Content-Type-Options nosniff;
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## Individual nginx logs for this GitLab vhost
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access_log /var/log/nginx/gitlab_access.log;
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error_log /var/log/nginx/gitlab_error.log;
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location / {
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## Serve static files from defined root folder.
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## @gitlab is a named location for the upstream fallback, see below.
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try_files $uri $uri/index.html $uri.html @gitlab;
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}
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## If a file, which is not found in the root folder is requested,
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## then the proxy pass the request to the upsteam (gitlab unicorn).
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location @gitlab {
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## If you use https make sure you disable gzip compression
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## to be safe against BREACH attack.
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gzip off;
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## https://github.com/gitlabhq/gitlabhq/issues/694
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## Some requests take more than 30 seconds.
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proxy_read_timeout 300;
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proxy_connect_timeout 300;
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proxy_redirect off;
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proxy_set_header Host $http_host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-Ssl on;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_pass http://gitlab;
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}
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## Enable gzip compression as per rails guide:
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## http://guides.rubyonrails.org/asset_pipeline.html#gzip-compression
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location ~ ^/(assets)/ {
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root /home/git/gitlab/public;
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gzip_static on; # to serve pre-gzipped version
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expires max;
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add_header Cache-Control public;
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}
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# Increase this if you want to upload large attachments
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# Or if you want to accept large git objects over http
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client_max_body_size 20m;
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ssl on;
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ssl_certificate /etc/nginx/gitlab.crt;
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ssl_certificate_key /etc/nginx/gitlab.key;
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ssl_protocols SSLv3 TLSv1 TLSv1.2;
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ssl_ciphers 'ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4';
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ssl_prefer_server_ciphers on;
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# individual nginx logs for this gitlab vhost
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access_log /var/log/nginx/gitlab_access.log;
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error_log /var/log/nginx/gitlab_error.log;
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location / {
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# serve static files from defined root folder;.
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# @gitlab is a named location for the upstream fallback, see below
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try_files $uri $uri/index.html $uri.html @gitlab;
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}
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# if a file, which is not found in the root folder is requested,
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# then the proxy pass the request to the upsteam (gitlab unicorn)
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location @gitlab {
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proxy_read_timeout 300; # https://github.com/gitlabhq/gitlabhq/issues/694
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proxy_connect_timeout 300; # https://github.com/gitlabhq/gitlabhq/issues/694
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proxy_redirect off;
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proxy_set_header Host $http_host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-Ssl on;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_pass http://gitlab;
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}
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error_page 502 /502.html;
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}
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error_page 502 /502.html;
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}

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