Wireshark 4.2.4 / 4.0.14 / 3.6.22

The most popular network protocol analyzer

28-03-24

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Wireshark – The world's most popular network protocol analyzer ➤ Download Now!

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Wireshark is the world’s foremost network protocol analyzer. You can use it for network troubleshooting, analysis, software, and communications protocol development, and education.

The program lets you capture and interactively browse the traffic running on a computer network. It is cross-platform, using the GTK+ widget toolkit to implement its user interface, and using pcap to capture packets.

It is the de facto (and often de jure) standard across many industries and educational institutions. Wireshark is very similar to tcpdump, but has a graphical front-end. In addition, some integrated sorting and filtering options.

Wireshark allows the user to put the network interfaces that support promiscuous mode into that mode, to see all traffic visible on that interface, not just traffic addressed to one of the interface’s configured addresses and broadcast/ multicast traffic.

However, when capturing with a packet analyzer in promiscuous mode on a port on a network switch, not all of the traffic traveling through the switch will necessarily be sent to the port on which the capture is being done. So capturing in promiscuous mode will not necessarily be sufficient to see all traffic on the network. Port mirroring or various network taps extend capture to any point on the net. Simple passive taps are extremely resistant to malware tampering.

Features:

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
Can browse the captured network data via a GUI, or the TTY-mode TShark utility
The most powerful display filters in the industry
Rich VoIP analysis
Read/write many different capture file formats: tcpdump (libpcap), Pcap NG, Catapult DCT2000, Cisco Secure IDS iplog. Microsoft Network Monitor, Network General Sniffer, Sniffer Pro, and NetXray. Also Network Instruments Observer, NetScreen snoop, Novell LANalyzer, RADCOM WAN/LAN Analyzer, Shomiti/Finisar Surveyor. Tektronix K12xx, Visual Networks Visual UpTime, WildPackets EtherPeek/TokenPeek/AiroPeek, and many others
Capture files compressed with gzip can be decompressed on the fly
Can read the Live data from Ethernet, IEEE 802.11, PPP/HDLC, ATM, Bluetooth, USB, Token Ring, Frame Relay, FDDI, and others
Decryption support for many protocols. Including IPsec, ISAKMP, Kerberos, SNMPv3, SSL/TLS, WEP, and WPA/WPA2
Applies the coloring rules to the packet list for quick, intuitive analysis
Allows the Output to export to XML, PostScript, CSV, or plain text