Ethereal is a Free GPL (open source licensed) protocol analyzer. A protocol analyzer is a piece of software that is used in networking to analyze, troubleshoot and in some cases develop protocol. Since it is an open licensed program, other networking professionals can and do offer improvements and additions to the software regularly. Ethereal is available for download on a variety of popular
. computing platforms such as Windows, Unix, and Linux. Be careful when installing that the program does not involve any use of serial numbers or require a crack, an indication that the safety or stability of the program might have been compromised. You can find more information here: http://ethereal.en.softonic.com/
