diff --git a/nginx.conf b/nginx.conf
index d2b2509..cb2c195 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -74,31 +74,31 @@ http {
         location / {
             proxy_set_header Connection "";
             proxy_set_header Accept-Encoding "";
-            proxy_cache_valid any 5m;
+            proxy_cache_valid 200 301 10m;
             proxy_cache_valid 404 1m;
 
             proxy_set_header Host pypi.org;
             proxy_ssl_name pypi.org;
-            proxy_pass https://sg_pypi;
+            proxy_pass 'https://sg_pypi';
             proxy_redirect 'https://pypi.org' $scheme://$host;
         }
 
         location ^~ /simple {
             proxy_set_header Connection "";
             proxy_set_header Accept-Encoding "";
-            proxy_cache_valid any 5m;
+            proxy_cache_valid 200 301 10m;
             proxy_cache_valid 404 1m;
 
             proxy_set_header Host pypi.org;
             proxy_ssl_name pypi.org;
-            proxy_pass https://sg_pypi;
+            proxy_pass 'https://sg_pypi';
             proxy_redirect 'https://pypi.org' $scheme://$host;
         }
 
         location ^~ /packages {
             proxy_set_header Connection "";
             proxy_set_header Accept-Encoding "";
-            proxy_cache_valid any 1M;
+            proxy_cache_valid 200 301 1M;
             proxy_cache_valid 404 1m;
 
             proxy_set_header Host files.pythonhosted.org;
@@ -106,5 +106,9 @@ http {
             proxy_pass 'https://sg_pythonhosted/packages';
             proxy_redirect 'https://files.pythonhosted.org/packages' $scheme://$host/packages;
         }
+
+        location /nginx_status {
+            stub_status;
+        }
     }
 }