In the early days of the internet, this was standard. Today, it’s often an oversight by server administrators.
PS3 ISOs are large. Malicious actors can inject code or rename malware as Game_Name.iso.exe . Always: index of ps3 iso
When you use the term "index of" , you are looking for web servers that have directory listing enabled. Adding "ps3 iso" filters those directories for PlayStation 3 disk images. Popular Search Strings In the early days of the internet, this was standard