The world`s foremost network protocol analyzer for Mac

Wireshark for Mac

WireShark 1.2.6

  -  40.48 MB  -  Open Source

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of WireShark 1.2.6.


For those interested in downloading the most recent release of Wireshark for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • WireShark 1.2.6 Screenshots

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    WireShark 1.2.6 Screenshot 1
  • WireShark 1.2.6 Screenshot 2
  • WireShark 1.2.6 Screenshot 3
  • WireShark 1.2.6 Screenshot 4

What's new in this version:

- Babi discovered several buffer overflows in the LWRES dissector.
- Versions affected: 0.9.15 to 1.0.10, 1.2.0 to 1.2.5

The following bugs have been fixed:
- Wireshark could crash while decrypting Kerberos data.
- Address display filters hang Wireshark. (Bug 658)
- PSML - structure context node missing. (Bug 1564)
- Wireshark doesn't dynamically update the packet list. (Bug 1605)
- LUA: There's no tvb_get_stringz() equivalent. (Bug 2244)
- tvb_new_real_data is prone to memory leak. (Bug 3917)
- Malformed OPC UA traffic makes Wireshark "freeze". (Bug 3986)
- Analyze→Expert... doesn't show IP "Bad Checksum" errors. (Bug 4177)
- Wireshark can't decrypt WPA(2)-PSK when passphrase is 63 bytes. (Bug 4183)
- RTP stream analysis: Wrong jitter values after clicking the refresh button. (Bug 4340)
- Wireshark decodes bootp option 2 incorrectly. (Bug 4342)
- Deleting SMI modules causes Wireshark to crash. (Bug 4354)
- Wireshark decodes kerberos AS-REQ PADATA incorrect. (Bug 4363)
- PDML output from TShark includes invalid characters. (Bug 4402)
- Empty GPRS LLC S frames cause truncated data exception. (Bug 4417)

- New and Updated Features
- Feature parity between the 64- and 32-bit Windows installer has been improved. The 64-bit installer now supports the "matches" operator, GeoIP location, and most types of decryption. Kerberos decryption and OID resolution are still not supported.

- New Protocol Support
- There are no new protocols in this release.

- Updated Protocol Support
- BJNP, BOOTP/DHCP, DHCPv6, FIP, GPRS LLC, IEEE 802.11, IP, Kerberos, OPCUA, SCTP, SSL, ZRTP

- Updated Capture File Support
- There are no updated capture file formats in this release.

- Getting Wireshark
- Wireshark source code and installation packages are available from http://www.wireshark.org/download.html.

- Vendor-supplied Packages
- Most Linux and Unix vendors supply their own Wireshark packages. You can usually install or upgrade Wireshark using the package management system specific to that platform. A list of third-party packages can be found on the download page on the Wireshark web site.

- File Locations
- Wireshark and TShark look in several different locations for preference files, plugins, SNMP MIBS, and RADIUS dictionaries. These locations vary from platform to platform. You can use About->Folders to find the default locations on your system.