diff --git a/conf/old.nginx.conf b/conf/old.nginx.conf
index f3e1778..a55f371 100644
--- a/conf/old.nginx.conf
+++ b/conf/old.nginx.conf
@@ -4,18 +4,27 @@ set $allowed_origins "https://${sandbox_domain}";
 set $api_domain "__DOMAIN__";
 set $files_domain "__DOMAIN__";
 ssl_ecdh_curve secp384r1;
+
+more_set_headers "X-XSS-Protection: '1; mode=block'";
+more_set_headers "X-Content-Type-Options: nosniff";
 more_set_headers "Access-Control-Allow-Origin: '${allowed_origins}'";
+more_set_headers "Access-Control-Allow-Credentials: true";
+
 more_set_headers "Cross-Origin-Resource-Policy: cross-origin";
 more_set_headers "Cross-Origin-Embedder-Policy: require-corp";
+
 root __INSTALL_DIR__/;
 index index.html;
 error_page 404 /customize.dist/404.html;
+
 if ($uri ~ ^(\/|.*\/|.*\.html)$) {
     set $cacheControl no-cache;
 }
+
 if ($args ~ ver=) {
     set $cacheControl max-age=31536000;
 }
+
 more_set_headers "Cache-Control: $cacheControl";
 set $styleSrc   "'unsafe-inline' 'self' https://${main_domain}";
 set $connectSrc "'self' https://${main_domain} blob: wss://${api_domain} https://${sandbox_domain}";
@@ -32,39 +41,54 @@ if ($uri ~ ^\/(sheet|doc|presentation)\/inner.html.*$) { set $unsafe 1; }
 if ($uri ~ ^\/common\/onlyoffice\/.*\/.*\.html.*$) { set $unsafe 1; }
 if ($host != $sandbox_domain) { set $unsafe 0; }
 if ($uri ~ ^\/unsafeiframe\/inner\.html.*$) { set $unsafe 1; }
+
 if ($unsafe) {
     set $scriptSrc "'self' 'unsafe-eval' 'unsafe-inline' resource: https://${main_domain}";
 }
+
 more_set_headers "Content-Security-Policy: default-src 'none'; child-src $childSrc; worker-src $workerSrc; media-src $mediaSrc; style-src $styleSrc; script-src $scriptSrc; connect-src $connectSrc; font-src $fontSrc; img-src $imgSrc; frame-src $frameSrc; frame-ancestors $frameAncestors";
-location ^~ /cryptpad_websocket {
-    proxy_pass http://127.0.0.1:__PORT__;
-    proxy_set_header X-Real-IP $remote_addr;
-    proxy_set_header Host $host;
-    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-    proxy_http_version 1.1;
-    proxy_set_header Upgrade $http_upgrade;
-    proxy_set_header Connection upgrade;
+
+
+types {
+    application/javascript mjs;
 }
+
+location ^~ /cryptpad_websocket {
+    proxy_pass http://127.0.0.1:__PORT_SOCKET__;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+        # WebSocket support (nginx 1.4)
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection upgrade;
+}
+
 location ^~ /customize.dist/ {
     # This is needed in order to prevent infinite recursion between /customize/ and the root
 }
+
 location ^~ /customize/ {
     rewrite ^/customize/(.*)$ $1 break;
     try_files /customize/$uri /customize.dist/$uri;
 }
+
 location ~ ^/api/.*$ {
     proxy_pass http://127.0.0.1:__PORT__;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header Host $host;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
     proxy_hide_header Cross-Origin-Resource-Policy;
     more_set_headers "Cross-Origin-Resource-Policy: cross-origin";
     proxy_hide_header Cross-Origin-Embedder-Policy;
     more_set_headers "Cross-Origin-Embedder-Policy: require-corp";
 }
-location ^~ /blob/ {
+location ~ ^/(blob|block)/.*$ {
     if ($request_method = 'OPTIONS') {
         more_set_headers "Access-Control-Allow-Origin: ${allowed_origins}";
+        more_set_headers add_header "Access-Control-Allow-Credentials: true";
         more_set_headers "Access-Control-Allow-Methods: 'GET, POST, OPTIONS'";
         more_set_headers "Access-Control-Allow-Headers: DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range";
         more_set_headers "Access-Control-Max-Age: 1728000";
@@ -72,20 +96,18 @@ location ^~ /blob/ {
         more_set_headers "Content-Length: 0";
         return 204;
     }
-    more_set_headers "X-Content-Type-Options: nosniff";
-    more_set_headers "Cache-Control: max-age=31536000'";
-    more_set_headers "Access-Control-Allow-Origin: ${allowed_origins}";
-    more_set_headers "Access-Control-Allow-Methods: 'GET, POST, OPTIONS'";
-    more_set_headers "Access-Control-Allow-Headers: DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Content-Length";
-    more_set_headers "Access-Control-Expose-Headers: DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Content-Length";
-    try_files $uri =404;
+    proxy_hide_header 'X-Content-Type-Options';
+    proxy_hide_header 'Access-Control-Allow-Origin';
+    proxy_hide_header 'Permissions-Policy';
+    proxy_hide_header 'X-XSS-Protection';
+    proxy_hide_header 'Cross-Origin-Resource-Policy';
+    proxy_hide_header 'Cross-Origin-Embedder-Policy';
+    proxy_pass http://127.0.0.1:__PORT__;
 }
-location ^~ /block/ {
-    more_set_headers "X-Content-Type-Options: nosniff";
-    more_set_headers "Cache-Control: max-age=0";
-    try_files $uri =404;
-}
-location ~ ^/(register|login|settings|user|pad|drive|poll|slide|code|whiteboard|file|media|profile|contacts|todo|filepicker|debug|kanban|sheet|support|admin|notifications|teams|calendar|presentation|doc|form|report|convert|checkup)$ {
+
+location ~ ^/(register|login|recovery|settings|user|pad|drive|poll|slide|code|whiteboard|file|media|profile|contacts|todo|filepicker|debug|kanban|sheet|support|admin|notifications|teams|calendar|presentation|doc|form|report|convert|checkup|diagram)$ {
     rewrite ^(.*)$ $1/ redirect;
 }
-try_files /customize/www/$uri /customize/www/$uri/index.html /www/$uri /www/$uri/index.html /customize/$uri;
+
+# Finally, serve anything the above exceptions don't govern.
+try_files /customize/www/$uri /customize/www/$uri/index.html /www/$uri /www/$uri/index.html /customize/$uri;
\ No newline at end of file