modified files

production/nginx/nginx/sites-available/etherpad

@@ -11,7 +11,7 @@ server {
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "Upgrade";
      proxy_buffering off;
-     add_header Alt-Svc 'h3-25=":443"; h3-24=":443"; ma=86400, h3-23=":443"';
+     add_header Alt-Svc 'h3-25=":443"; ma=3600, h2=":443"; ma=3600';
   }
 }