Wireshark.org - (Open Source)
Wireshark helps network administrators to solve protocol issues by diagnosing the problems in the software protocols.
Wireshark is a famous network analysis or packet sniffer tool protocols.
Wireshark examine data from a live network, and can also take a snapshot of the various communications that work on it at another time. Wireshark proposes to see the "dissector tables" directly from the main window. The application can export objects to SMB screen or display the compiled BPF code for capture filters. Finally, Wireshark supports a variety of protocols such as ADwin, Apache Etch, JSON, reload or Wi-Fi P2P (Wi-Fi Direct).
The interface is quite austere, hides an extremely powerful that only experts can use software correctly.
This software is essential for any network administrator to diagnose problems in the software protocols.
Bug Fixes
The following vulnerabilities have been fixed. See the security advisory for details and a workaround.
*On non-Windows systems, Wireshark could crash if the HOME environment variable contained sprintf-style string formatting characters. Discovered by babi. (Bug 3150)
Versions affected: 0.99.8 to 1.0.5
*Wireshark could crash while reading a malformed NetScreen snoop file. Discovered by babi. (Bug 3151)
Versions affected: 0.99.7 to 1.0.5
*Wireshark could crash while reading a Tektronix K12 text capture file. (Bug 1937)
Versions affected: 0.99.6 to 1.0.5
The following bugs have been fixed:
*Crash when loading capture file and Preferences: NO Info column (Bug 2902)
*Some Lua scripts may lead to corruption via out of bounds stack (Bug 3062)
*Build with GLib 1.2 fails with error: 'G_MININT32' undeclared (Bug 3109)
*Wrong decoding IMSI with GSM MAP protocol (Bug 3116)
*Segmentation fault for "Follow TCP stream" (Bug 3119)
*SMPP optional parameter 'network_error_code' incorrectly decoded (Bug 3128)
*DHCPv6 dissector doesn't handle malformed FQDN (Bug 3134)
*WCCP overrides CFLOW as decoded protocol (Bug 3175)
*Improper decoding of MPLS echo reply IPv4 Interface and Label Stack Object (Bug 3179)
*ANSI MAP fix for TRN digits/SMS and OTA subdissection (Bug 3214)
*The 1.0 branch can now be built with Visual Studio 2008.
New and Updated Features
*The version of GNUTLS included with the Windows packages has been updated from 2.3.8 to 2.6.3.
New Protocol Support
There are no new protocols in this release.
Updated Protocol Support
AFS, ATM, DHCPv6, DIS, E.212, RTP, UDP, USB, WCCP, WPS
New and Updated Capture File Support
NetScreen snoop