gitlab-ssl 5.96 KB
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## GitLab
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## Contributors: randx, yin8086, sashkab, orkoden, axilleas, bbodenmiller
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##
## Modified from nginx http version
## Modified from http://blog.phusion.nl/2012/04/21/tutorial-setting-up-gitlab-on-debian-6/
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## Modified from https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
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##
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## Lines starting with two hashes (##) are comments with information.
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## Lines starting with one hash (#) are configuration parameters that can be uncommented.
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##
##################################
##        CHUNKED TRANSFER      ##
##################################
##
## It is a known issue that Git-over-HTTP requires chunked transfer encoding [0]
## which is not supported by Nginx < 1.3.9 [1]. As a result, pushing a large object
## with Git (i.e. a single large file) can lead to a 411 error. In theory you can get
## around this by tweaking this configuration file and either:
## - installing an old version of Nginx with the chunkin module [2] compiled in, or
## - using a newer version of Nginx.
##
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## At the time of writing we do not know if either of these theoretical solutions works.
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## As a workaround users can use Git over SSH to push large files.
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##
## [0] https://git.kernel.org/cgit/git/git.git/tree/Documentation/technical/http-protocol.txt#n99
## [1] https://github.com/agentzh/chunkin-nginx-module#status
## [2] https://github.com/agentzh/chunkin-nginx-module
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##
###################################
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##         configuration         ##
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###################################
##
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## See installation.md#using-https for additional HTTPS configuration details.
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upstream gitlab {
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  server unix:/home/git/gitlab/tmp/sockets/gitlab.socket fail_timeout=0;
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}

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## Redirects all HTTP traffic to the HTTPS host
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server {
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  listen 0.0.0.0:80;
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  listen [::]:80 ipv6only=on default_server;
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  server_name YOUR_SERVER_FQDN; ## Replace this with something like gitlab.example.com
  server_tokens off; ## Don't show the nginx version number, a security best practice
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  return 301 https://$server_name$request_uri;
  access_log  /var/log/nginx/gitlab_access.log;
  error_log   /var/log/nginx/gitlab_error.log;
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}

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## HTTPS host
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server {
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  listen 0.0.0.0:443 ssl;
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  listen [::]:443 ipv6only=on ssl default_server;
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  server_name YOUR_SERVER_FQDN; ## Replace this with something like gitlab.example.com
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  server_tokens off; ## Don't show the nginx version number, a security best practice
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  root /home/git/gitlab/public;

  ## Increase this if you want to upload large attachments
  ## Or if you want to accept large git objects over http
  client_max_body_size 20m;

  ## Strong SSL Security
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  ## https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html & https://cipherli.st/
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  ssl on;
  ssl_certificate /etc/nginx/ssl/gitlab.crt;
  ssl_certificate_key /etc/nginx/ssl/gitlab.key;

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  # GitLab needs backwards compatible ciphers to retain compatibility with Java IDEs
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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:!DES:!MD5:!PSK:!RC4";
  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
  ssl_prefer_server_ciphers on;
  ssl_session_cache shared:SSL:10m;
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  ssl_session_timeout 5m;
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  ## See app/controllers/application_controller.rb for headers set
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  ## [Optional] If your certficate has OCSP, enable OCSP stapling to reduce the overhead and latency of running SSL.
  ## Replace with your ssl_trusted_certificate. For more info see:
  ## - https://medium.com/devops-programming/4445f4862461
  ## - https://www.ruby-forum.com/topic/4419319
  ## - https://www.digitalocean.com/community/tutorials/how-to-configure-ocsp-stapling-on-apache-and-nginx
  # ssl_stapling on;
  # ssl_stapling_verify on;
  # ssl_trusted_certificate /etc/nginx/ssl/stapling.trusted.crt;
  # resolver 208.67.222.222 208.67.222.220 valid=300s; # Can change to your DNS resolver if desired
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  # resolver_timeout 5s;
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  ## [Optional] Generate a stronger DHE parameter:
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  ##   sudo openssl dhparam -out /etc/ssl/certs/dhparam.pem 4096
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  ##
  # ssl_dhparam /etc/ssl/certs/dhparam.pem;

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  ## Individual nginx logs for this GitLab vhost
  access_log  /var/log/nginx/gitlab_access.log;
  error_log   /var/log/nginx/gitlab_error.log;

  location / {
    ## Serve static files from defined root folder.
    ## @gitlab is a named location for the upstream fallback, see below.
    try_files $uri $uri/index.html $uri.html @gitlab;
  }

  ## If a file, which is not found in the root folder is requested,
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  ## then the proxy passes 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.
    gzip off;

    ## https://github.com/gitlabhq/gitlabhq/issues/694
    ## Some requests take more than 30 seconds.
    proxy_read_timeout      300;
    proxy_connect_timeout   300;
    proxy_redirect          off;

    proxy_set_header    Host                $http_host;
    proxy_set_header    X-Real-IP           $remote_addr;
    proxy_set_header    X-Forwarded-Ssl     on;
    proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
    proxy_set_header    X-Forwarded-Proto   $scheme;
    proxy_set_header    X-Frame-Options     SAMEORIGIN;

    proxy_pass http://gitlab;
  }

  ## Enable gzip compression as per rails guide:
  ## http://guides.rubyonrails.org/asset_pipeline.html#gzip-compression
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  ## WARNING: If you are using relative urls remove the block below
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  ## See config/application.rb under "Relative url support" for the list of
  ## other files that need to be changed for relative url support
  location ~ ^/(assets)/ {
    root /home/git/gitlab/public;
    gzip_static on; # to serve pre-gzipped version
    expires max;
    add_header Cache-Control public;
  }

  error_page 502 /502.html;
}