Wireshark 4.0.4 Final | Portable 🆕

Introduction to Wireshark 4.0 with Gerald Combs & Roland Knall

All custom configurations—such as color-coding rules, capture filters, and column layouts—are stored on the portable device, ensuring a consistent workspace regardless of the hardware being used. Wireshark 4.0.4 Final | Portable

This version addresses specific vulnerabilities, such as a dissector crash in ISO 15765 and ISO 10681 (wnpa-sec-2023-08), which could otherwise lead to denial-of-service via crafted packets. Introduction to Wireshark 4

The default layout now places the Packet Detail and Packet Bytes panes side-by-side , optimizing for modern wide-screen displays. Wireshark 4

Wireshark 4.0.4 "Portable" is a maintenance release of the world’s foremost open-source network protocol analyzer, designed specifically for versatility and "no-trace" forensics. By running directly from a USB drive or external storage, it bypasses the need for a standard system installation, making it an indispensable asset for on-site troubleshooting and secure environment analysis. The Core of Version 4.0.4

A new layer operator (#) allows users to filter specific layers in nested protocols (e.g., ip.src#2 to find the inner address of a tunneled packet).

As part of the broader 4.0 series, version 4.0.4 benefits from major architectural leaps over the previous 3.x versions: