freebsd-update Reverse Proxy CacheEither because you’re a good netizen and don’t want to repeatedly hammer the FreeBSD mirrors to upgrade all your systems, or you want to benefit from the speed of having a local “mirror” (cache, more precisely), running a freebsd update reverse proxy cache with, say, nginx is dead simple.
Source: VladimirKrstulja/Guides/FreeBSDUpdateReverseProxy – FreeBSD Wiki