Old Version of Wireshark 1.2.3
Selected Version
Wireshark 1.2.3
Supported Systems
Legacy OS support
Windows 98, 2000, 2003, XP, Vista, 2008, 7
Open Source
Release Date
27 October, 2009 (10 years ago )

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Wireshark 1.2.3

Wireshark 1.2.3 (17.46 MB)

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System Requirements of Wireshark 1.2.3
  • Windows 2000
  • Windows XP
  • Windows Vista
  • Windows 7
  • Windows Server 2008
  • Windows Server 2008
Additional Requirements
  • 128MB RAM system memory
  • 75MB available disk spac
  • 800*600 (1280*1024 or higher recommended) resolution with at least 65536 (16bit) colors
Program Information of Wireshark 1.2.3
Version Name:
Wireshark 1.2.3

File Size:
17.46 MB

Released Date:
27 October, 2009 (10 years ago)

MD5 Checksum:

SHA1 Checksum:

Version History of Wireshark 1.2.3
Bug Fixes
The following vulnerabilities have been fixed. See the security advisory for details and a workaround.
  • The Paltalk dissector could crash on alignment-sensitive processors. (Bug 3689)

View More...

Wireshark Screenshots
Wireshark 1.2.3 display packets with very detailed protocol information. Capture live packet data from a network interface. More
User configurable graph of the captured network packets. A display filter for this graph (only the packets that pass this filter will be taken into account. More
Wireshark 1.2.3 released and now updated protocol support DCERPC NT, DHCP, Diameter, E.212, eDonkey, FIP, IP sec, MGCP, NCP, Paltalk, RADIUS, RSL, SBus,… More
About Wireshark

Wireshark, the new name for Ethereal, is a protocol analyzer, or packet sniffer application, used for network troubleshooting, analysis, software and protocol development, and education. It has all of the standard features of a protocol analyzer. It allows the user to see all traffic being passed over the network (usually an Ethernet network but support is being added for others) by putting the network card into promiscuous mode.

Wireshark is software that understands the structure of different network protocols. Thus it's able to display encapsulation and single fields and interpret their meaning. Wireshark uses Pcap to capture packets, so it can only capture on networks supported by Pcap.

Wireshark (Ethereal) Features

  • Data can be captured from the wire from a live network connection or read from a capture file.
  • Captured network data can be browsed via a GUI, or via the TTY-mode tshark program.
  • Standard three-pane packet browser
  • Capture files compressed with gzip can be decompressed on the fly
  • Coloring rules can be applied to the packet list, which eases analysis

Updates : Wireshark Updates

Did You Know?

Wireshark is cross-platform, using the GTK+ widget toolkit to implement its user interface, and using pcap to capture packets; it runs on various Unix-like operating systems including Linux, Mac OS X, BSD, and Solaris, and on Microsoft Windows. There is also a terminal-based (non-GUI) version for Linux called TShark. Wireshark, and the other programs distributed with it such as TShark, are free software, released under the terms of the GNU General Public License.