Check whether you already have access via your university or organisation.
Network egress control — compute isolation means nothing if the sandbox can freely phone home. Options range from disabling networking entirely, to running an allowlist proxy (like Squid) that blocks DNS resolution inside the sandbox and forces all traffic through a domain-level allowlist, to dropping CAP_NET_RAW so the sandbox cannot bypass DNS with raw sockets.
，这一点在heLLoword翻译官方下载中也有详细论述
Download the app to your device of choice (the best VPNs have apps for Windows, Mac, iOS, Android, Linux, and more)
// promise to either yield a chunk of data or indicate we're