diff --git a/content/post/nginx.md b/content/post/nginx.md
index 11d3b21..9c4070d 100644
--- a/content/post/nginx.md
+++ b/content/post/nginx.md
@@ -203,6 +203,8 @@ server {
     ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
     ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
     ssl_prefer_server_ciphers on;
+    default_type text/plain;
+    return 200 "OK.\n";
 }
 ```
 
@@ -252,6 +254,8 @@ server {
     ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
     ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
     ssl_prefer_server_ciphers on;
+    default_type text/plain;
+    return 200 "OK.\n";
 }
 ```