OpenBSD includes a variety of hooks to let you easily customize how you get and build ports. If possible, you should use the OpenBSD-provided infrastructure, but there may be cases where that’s not possible. Here, we’ll look at some of the more commonly used customization settings.
Local Distfile Mirrors
While ports provide several places to get source code, you might want to override those sites. Perhaps you share a network with a major mirror site, or you don’t have unfettered Internet access. OpenBSD lets you set your own preferred mirror sites.
Preferred Collection Mirrors
Many software sources can be grouped into collections, which tend to be mirrored together. An example is the official GNU software collection. ...