Due to new data center security and bandwidth policies, direct downloads from our dl3 and dl4 legacy servers are now restricted. Here is what you need to know and how to adapt. The Short Version If you have been using direct wget , curl , or manual browser links pointing to dl3.[domain].com or dl4.[domain].com , you will have noticed a 403 Access Denied or Connection Refused error recently.
— The Infrastructure Team
Thank you for your understanding. These changes help us keep the core infrastructure stable for 99.9% of our users. Due to new data center security and bandwidth
Important Infrastructure Update: Changes to Download Routing (dl3 & dl4) Due to new data center security and bandwidth