docs: updated nginx example

- use A+ securit settings
- added gist custom domain
- added custom 502 page example
- formtting cleanups

docs/admin/nginx-config-example.rst

@@ -5,6 +5,11 b' Use the following example to configure N'
 
 .. code-block:: nginx
 
+    log_format log_custom '$remote_addr - $remote_user [$time_local] '
+                          '"$request" $status $body_bytes_sent '
+                          '"$http_referer" "$http_user_agent" '
+                          '$request_time $upstream_response_time $pipe';
+
     upstream rc {
 
         server 127.0.0.1:10002;
@@ -14,12 +19,12 b' Use the following example to configure N'
         # server 127.0.0.1:10004;
     }
 
-    ## gist alias
+    ## gist alias server, for serving nicer GIST urls
 
     server {
         listen          443;
         server_name     gist.myserver.com;
-        access_log      /var/log/nginx/gist.access.log;
+        access_log      /var/log/nginx/gist.access.log log_custom;
         error_log       /var/log/nginx/gist.error.log;
 
         ssl on;
@@ -28,23 +33,36 b' Use the following example to configure N'
 
         ssl_session_timeout 5m;
 
-        ssl_protocols SSLv3 TLSv1;
-        ssl_ciphers DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:EDH-RSA-DES-CBC3-SHA:AES256-SHA:DES-CBC3-SHA:AES128-SHA:RC4-SHA:RC4-MD5;
+        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
         ssl_prefer_server_ciphers on;
+        ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';
+
         add_header Strict-Transport-Security "max-age=31536000; includeSubdomains;";
 
         # Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
-        ssl_dhparam /etc/nginx/ssl/dhparam.pem;
+        #ssl_dhparam /etc/nginx/ssl/dhparam.pem;
 
         rewrite ^/(.+)$ https://rhodecode.myserver.com/_admin/gists/$1;
         rewrite (.*)    https://rhodecode.myserver.com/_admin/gists;
     }
 
+    ## HTTP to HTTPS rewrite
     server {
-        listen          443;
+        listen          80;
         server_name     rhodecode.myserver.com;
-        access_log      /var/log/nginx/rhodecode.access.log;
-        error_log       /var/log/nginx/rhodecode.error.log;
+
+        if ($http_host = rhodecode.myserver.com) {
+            rewrite  (.*)  https://rhodecode.myserver.com$1 permanent;
+        }
+    }
+
+    ## MAIN SSL enabled server
+    server {
+        listen       443 ssl;
+        server_name  rhodecode.myserver.com;
+
+        access_log   /var/log/nginx/rhodecode.access.log log_custom;
+        error_log    /var/log/nginx/rhodecode.error.log;
 
         ssl on;
         ssl_certificate     rhodecode.myserver.com.crt;
@@ -52,13 +70,16 b' Use the following example to configure N'
 
         ssl_session_timeout 5m;
 
-        ssl_protocols SSLv3 TLSv1;
-        ssl_ciphers DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:EDH-RSA-DES-CBC3-SHA:AES256-SHA:DES-CBC3-SHA:AES128-SHA:RC4-SHA:RC4-MD5;
+        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
         ssl_prefer_server_ciphers on;
+        ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';
 
-        include         /etc/nginx/proxy.conf;
+        # Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
+        #ssl_dhparam /etc/nginx/ssl/dhparam.pem;
 
-        ## uncomment to serve static files by nginx
+        include     /etc/nginx/proxy.conf;
+
+        ## serve static files by nginx, recommended
         # location /_static/rhodecode {
         #    alias /path/to/.rccontrol/enterprise-1/static;
         # }
@@ -66,16 +87,17 b' Use the following example to configure N'
         ## channel stream live components
         location /_channelstream {
             rewrite /_channelstream/(.*) /$1 break;
+            proxy_pass                  http://127.0.0.1:9800;
+
             proxy_connect_timeout        10;
             proxy_send_timeout           10m;
             proxy_read_timeout           10m;
-            tcp_nodelay		             off;
-            proxy_pass                   http://127.0.0.1:9800;
+            tcp_nodelay                  off;
             proxy_set_header             Host $host;
             proxy_set_header             X-Real-IP $remote_addr;
-            proxy_set_header	         X-Url-Scheme $scheme;
-            proxy_set_header	         X-Forwarded-Proto $scheme;
-            proxy_set_header 	         X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header             X-Url-Scheme $scheme;
+            proxy_set_header             X-Forwarded-Proto $scheme;
+            proxy_set_header             X-Forwarded-For $proxy_add_x_forwarded_for;
             gzip                         off;
             proxy_http_version           1.1;
             proxy_set_header Upgrade     $http_upgrade;
@@ -89,4 +111,10 b' Use the following example to configure N'
         location @rhode {
             proxy_pass      http://rc;
         }
-    }
+
+        ## custom 502 error page
+        error_page 502 /502.html;
+        location = /502.html {
+           root  /path/to/.rccontrol/enterprise-1/static;
+        }
+    }
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