How to change uploaded file permissions for new files automatically

I recently moved a wordpress site from media temple's gs to their dedicated virtual server.

The file structure changed when I upload files. The permissions automatically upload as 644 and I'd开发者_如何学Python like to change this. Where should I look to change this, the php.ini file or somewhere ont he server settings? It uses plesk.

---

You're going to want to find a way to change your umask. You might have to talk to your server administrator about it, if you don't have shell access.