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When I used it at my work for a bit, it didn't require a custom root cert. Steam's client has native support for it by checking a "lancache.steamcontent.com" DN
by ThatPlayer 3y ago
When I used it at my work for a bit, it didn't require a custom root cert. Steam's client has native support for it by checking a "lancache.steamcontent.com" DNS entry. I believe the rest were served over http; it looks like EA Origin switched to https at some point and broke caching for it.
Though Steam now does support computer-to-computer transfers over LAN (added for Steam Deck). You do have to enable a setting to allow other users to download, but it's definitely less hassle.