Little Snitch

Little Snitch 简介：

Little Snitch for Mac 一款优秀好用的可视化防火墙软件，监视每个应用或后台程序的网络活动，控制你的私人传出数据。

跟踪后台活动

只要您的计算机连接到互联网，应用程序通常有权随时随地发送任何信息。Little Snitch注意到这个活动，并允许你自己决定这些数据会发生什么。

控制你的网络

选择允许或拒绝连接，或者定义规则如何处理类似的未来连接尝试。它在后台运行并不显眼，它甚至可以检测与网络相关的病毒，木马和其他恶意软件的活动。

官方简介：

gives you control over your private outgoing data.

Track background activity

As soon as your computer connects to the Internet, applications often have permission to send any information wherever they need to. takes note of this activity and allows you to decide for yourself what happens with this data.

Control your network

Choose to allow or deny connections, or define a rule how to handle similar, future connection attempts. It runs inconspicuously in the background and it can even detect network-related activity of viruses, trojans, and other malware.