离开洛杉矶时，失败感在杜耀豪心头挥之不去。他想起自己常做的一个梦，自己在建塔，塔不停地崩塌。他忽然反应过来：“要学会的不是搭建，而是如何面对崩塌。”
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.
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"So we narrowed it down to [this] one address… and started the process of confirming who was living there through state records, driver's licence… information on schools," says Squire.