Product showcase: LuLu reveals unauthorized outbound connections from Mac apps

LuLu is a free, open-source macOS outbound firewall that lets users monitor and control which apps can send data. The report walks through installing and enabling the network extension, configuring modes and rules, using the Netiquette network monitor, and testing blocking behavior (e.g., blocking Chrome), concluding that LuLu provides straightforward visibility and control over outgoing connections and benefits from being open-source.