While they are often used interchangeably, there is a technical difference between proxies and mirrors:

The information provided here is for educational purposes only. The use of torrent sites and proxies to access copyrighted material without authorization is illegal in many regions. Users should be aware of their local laws and the risks involved, including malware infections and legal penalties.

Here’s a write-up on , covering what they are, why they’re used, and important considerations.