Remove nginx version number as a security best practice. Hat tip to Remy van Elst.

nginx/gitlab

@@ -9,6 +9,7 @@ upstream gitlab {
 server {
   listen YOUR_SERVER_IP:80 default_server;         # e.g., listen 192.168.1.1:80;
   server_name YOUR_SERVER_FQDN;     # e.g., server_name source.example.com;
+  server_tokens off;
   root /home/git/gitlab/public;
 
   # individual nginx logs for this gitlab vhost

nginx/gitlab-https

@@ -8,7 +8,7 @@
 # You need from run openssl to generate the ssl certificate.
 # $ sudo openssl req -new -x509 -nodes -days 3560 -out gitlab.crt -keyout gitlab.key
 # $ sudo chmod o-r gitlab.key
- 
+
 upstream gitlab {
   server unix:/home/gitlab/gitlab/tmp/sockets/gitlab.socket;
 }
@@ -17,43 +17,45 @@ upstream gitlab {
 server {
     listen       80;
     server_name Domain_NAME;
+    server_tokens off;
     root /nowhere;
     rewrite ^ https://gitlab.stardrad.com$request_uri permanent;
 }
 server {
     listen 443;
     server_name Domain_NAME;
+    server_tokens off;
     root /home/gitlab/gitlab/public;
-    
+
     ssl on;
     ssl_certificate gitlab.crt;
-    ssl_certificate_key gitlab.key;     
-    ssl_protocols  SSLv3 TLSv1 TLSv2;        
-    ssl_ciphers AES:HIGH:!ADH:!MD5;        
-    ssl_prefer_server_ciphers   on;   
-    
+    ssl_certificate_key gitlab.key;
+    ssl_protocols  SSLv3 TLSv1 TLSv2;
+    ssl_ciphers AES:HIGH:!ADH:!MD5;
+    ssl_prefer_server_ciphers   on;
+
     # 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,
     # then the proxy pass the request to the upsteam (gitlab unicorn)
     location @gitlab {
         proxy_read_timeout 300; # https://github.com/gitlabhq/gitlabhq/issues/694
         proxy_connect_timeout 300; # https://github.com/gitlabhq/gitlabhq/issues/694
         proxy_redirect     off;
-     
+
         proxy_set_header   X-Forwarded-Proto https;
         proxy_set_header X-Forwarded-Ssl on;
         proxy_set_header   Host              $http_host;
         proxy_set_header   X-Real-IP         $remote_addr;
-     
+
         proxy_pass http://gitlab;
     }
 }