Wireshark.org -   19.94MB    (Open Source)

Product discription: Wireshark is the world's foremost network protocol analyzer, and is the de facto standard across many industries and
educational institutions.Decryption support for many protocols, including IPsec, ISAKMP, Kerberos, SNMPv3, SSL/TLS, WEP, and WPA/WPA2.Multi-platform: Runs on Windows, Linux, OS X, Solaris, FreeBSD, NetBSD, and many others.

                             <a href="http://www.hypersmash.com">Hypersmash.com</a>

                                                                                Wireshark 1.8.0 (32-bit)

Features included:

Rich VoIP analysis

Read/write many different capture file formats

Capture files compressed with gzip can be decompressed on the fly

Live data can be read from Ethernet, IEEE 802.11, PPP/HDLC, ATM, Bluetooth, USB, Token Ring, Frame Relay, FDDI, and others (depending on your platfrom)

Decryption support for many protocols, including IPsec, ISAKMP, Kerberos, SNMPv3, SSL/TLS, WEP, and WPA/WPA2

Coloring rules can be applied to the packet list for quick, intuitive analysis

Output can be exported to XML, PostScript®, CSV, or plain text

Deep inspection of hundreds of protocols, with more being added all the time

Live capture and offline analysis

Standard three-pane packet browser

Multi-platform: Runs on Windows, Linux, OS X, Solaris, FreeBSD, NetBSD, and many others

Captured network data can be browsed via a GUI, or via the TTY-mode TShark utility

    The most powerful display filters in the industry

Compatibility: 

• File size:19.94MB (20,912,453 bytes) 
• Requirements:Windows 2000 / XP / 2003 / Vista / Windows7 
• Languages:en-US