Have you enabled a firewall on your mac os x 10.6? Do you feel so completely safe on the Internet? Maybe your snow leopard have a virus, an anti-spyware or an anti-spam, but you don't know. So some information out of your Mac are transmitted without your knowledge (with without your consent or elsewhere) to others via the Internet! What is this information? Mostly it is information of some applications you have installed on your beautiful Mac!
Little Snitch is a small program that will protect you against these intolerable intrusion into your privacy. This little program effectively controls everything that leaves your computer to a network such as the Internet. It is Compatibility with Mac OS X 10.6 Snow Leopard, 10.5 Leopard and 10.4 Tiger.
It detects any attempt to effect "abnormal" connection on specific port when an Internet connection and notify you immediately with a warning window. And then you can decide if you accept the communication data or not!
As we know, Little Snitch is not a antivirus software which can prevent, detect, and remove malware, including computer viruses, worms, and trojan horses. Unlike some programs such as "clamxav snow leopard" or "MacScan" that detect and neutralize malicious programs from outside (internet) and installed without your knowledge on your Mac os, Little Snitch controls all outgoing connections from your Mac, What you can control, and whether to allow these connections. It is a tool that provides a necessary complement.
Little Snitch costs about €25, but you can test it for free in demo mode. In demo mode, the application will stop after three hours and you must restart your Mac! If you had a serial number for version1 of "Little Snitch", you can upgrade it for just about €10.
Download Little Snitch 2.2 for Mac OS X 10.6 Snow Leopard here:
Once the software is downloaded, simply double click the installer to enable the installation of "Little Snitch" (It will ask for your administrator password).
Regarding the setting, it is always possible to immediately create additional rules itself in "Little Snitch", but I will leave this option for more experienced users. To use both optimal and simplified, it is best to leave "Little Snitch" to do everything himself! It's so simple that it will learn by yourself what are the connections allowed or not!