Using SideStore without StosVPN across your LAN

2026-05-01 update: Added Nftables rule that apply to the entire network, provided by @KusakabeShi . Foreword SideStore is a commonly used iOS app sideloading tool that allows you to install third-party apps bypassing the App Store. It works by using your Apple ID to obtain a free Apple developer certificate, which is then used to sign the app you want to install, allowing it to run normally on…