Updates and downloads
audiocontentdownload.apple.com
audiocontentdownload.apple.com serves GarageBand's downloadable content. Apple lists it for iOS, iPadOS and macOS, on ports 80 and 443.
Short answer
Apple's host for GarageBand downloadable content.
Safe to block
Safe to block if you don't use GarageBand. If you do, its extra sounds and instruments can't download.
- Matches
audiocontentdownload.apple.com
A name with *. covers every name under it: *.push.apple.com matches 1-courier.push.apple.com.
What it serves
Apple's enterprise host list names audiocontentdownload.apple.com in its Apps and additional content section, for “GarageBand downloadable content”.
Sound libraries are large. A download from this host can be big, and it starts when the app asks for more content.
Apple doesn't list other apps for this host.
What breaks if you block it
Safe to block
Safe to block if you don't use GarageBand. If you do, its extra sounds and instruments can't download.
What breaks if you block it
- GarageBand's downloadable sounds and instruments can't download.
With Kilobat Pro and the network filter, you can block a host for every app or for one app: in Connections, select a connection and choose Block. Apple’s own services are never blocked by Kilobat’s Protection lists.
Notes
Download extra GarageBand content on your usual network, not on a hotspot.
Apple’s rules for its hosts
Apple’s list, Use Apple products on enterprise networks, says that devices open these connections, not Apple’s servers. Apple services fail any connection that uses HTTPS interception, so a proxy that inspects TLS should leave Apple’s hosts alone.
If a firewall allows hosts by name, allowing *.apple.com covers most Apple services, Apple says. A firewall that works only with addresses can allow 17.0.0.0/8 for IPv4, and 2403:300::/32, 2620:149::/32 and 2a01:b740::/32 for IPv6.
To see which app on your Mac opened a connection to this host, use Kilobat’s Connections tab, or the agent network log for AI agents.
Sources
Checked on 1 November 2026.