diff --git a/nginx/sites-available/cloud.grupopralog.com.br.conf b/nginx/sites-available/cloud.grupopralog.com.br.conf
index 9bd8472..1e50c21 100644
--- a/nginx/sites-available/cloud.grupopralog.com.br.conf
+++ b/nginx/sites-available/cloud.grupopralog.com.br.conf
@@ -244,27 +244,54 @@ server {
         more_set_headers 'X-APIMicroCache-Status: $upstream_cache_status';
     }
 
-#    location ~ ^/remote\.php/(webdav|dav)/ {
-#	proxy_pass http://nextcloud_backend;
-#        proxy_set_header Host $host;
-#        proxy_set_header X-Real-IP $remote_addr;
-#        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-#        proxy_set_header X-Forwarded-Proto $scheme;
-#        proxy_set_header X-Forwarded-Host $host;
-#        
-#        proxy_http_version 1.1;
-#        proxy_set_header Connection "";
-#
-    #    # Habilita o streaming de arquivos grandes para o backend
-    #    # sem bufferizar o corpo inteiro da requisição no Nginx.
-    #    proxy_buffering off;
-    #    proxy_request_buffering off;
-    #    
-    #    # Timeouts longos para uploads/downloads grandes
-    #    proxy_connect_timeout 60s;
-    #    proxy_read_timeout 1200s;
-    #    proxy_send_timeout 1200s;
-    #}
+    location ~ ^/(remote\.php/(webdav|dav)|ocs/v[12]\.php/apps/forms/api/.*/submissions/files/.*) {
+        proxy_pass http://nextcloud_backend;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_http_version 1.1;
+        proxy_set_header Connection "";
+
+        # --- Lógica de Cache vs. Streaming ---
+
+        # 1. Por padrão, desabilitamos o buffering para streaming (uploads/downloads)
+        proxy_buffering off;
+        proxy_request_buffering off;
+        
+        # 2. SE for um PROPFIND (listagem de diretório), ligamos o buffering e o cache
+        if ($request_method = PROPFIND) {
+            proxy_buffering on;
+            proxy_request_buffering on; # Necessário para o cache
+
+            proxy_cache nextcloud_cache; # Usar a zona de cache
+            # IMPORTANTE: Autorizar cache do método PROPFIND
+            proxy_cache_methods PROPFIND; 
+            # Chave de cache por usuário/sessão
+            proxy_cache_key "$host$request_uri|$cookie_nc_session_id";
+            
+            # Cache de 10 segundos para listagens de pasta (status 200 e 207)
+            proxy_cache_valid 200 207 10s; 
+            proxy_cache_lock on;
+            proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;
+            
+            # Header para depuração
+            more_set_headers 'X-DAV-Cache: $upstream_cache_status';
+            
+            # Ignorar "no-cache" do backend para PROPFIND
+            proxy_ignore_headers "Cache-Control" "Expires" "Pragma";
+            proxy_hide_header "Cache-Control";
+            proxy_hide_header "Pragma";
+            proxy_hide_header "Expires";
+            add_header Cache-Control "public, max-age=10";
+        }
+        
+        # Timeouts longos (mantém para uploads/downloads)
+        proxy_connect_timeout 60s;
+        proxy_read_timeout 1200s;
+        proxy_send_timeout 1200s;
+    }
 
     location ~ ^/(apps/tables/(api|row|share)|index\.php/apps/tables/api/1|ocs/v2\.php/apps/tables/api/2) {
         proxy_pass http://nextcloud_backend;