(There's no video for Little Snitch 1.2.x yet. Please contribute to MR and add a video now!)
Little Snitch is an application supervisor. It watches all running applications and brings up an alert panel when an application tries to establish a network connection.
LittleSnitch-1-2-4-dmg.sitx (497.21 KiB / 509.14 KB)
LittleSnitch v1.2.4 (2007)
LittleSnitch-1-2-2-dmg.sitx (537.24 KiB / 550.13 KB)
LittleSnitch v1.2.2 (2006)
Little-Snitch-Serial.txt (59 Bytes)
Emulating this? It should run fine under: QEMU