The world`s foremost network protocol analyzer for Mac

Wireshark for Mac
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Wireshark for Mac

  -  144 MB  -  Open Source
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The Ethereal network protocol analyzer has changed its name to Wireshark for Mac. The name might be new, but the software is the same.

Wireshark's powerful features make it the tool of choice for network troubleshooting, protocol development, and education worldwide.

Wireshark for macOS was written by networking experts around the world, and is an example of the power of open source. The app is used by network professionals around the world for analysis, troubleshooting, software and protocol development and education.

The program has all of the standard features you would expect in a protocol analyzer, and several features not seen in any other product.

Its open source license allows talented experts in the networking community to add enhancements.

Features
  • Packet Analysis: It captures data packets from a network in real-time or from saved capture files for in-depth analysis.
  • Deep Inspection: Users can inspect hundreds of protocols, including Ethernet, IP, TCP, HTTP, DNS, and more, to diagnose network issues or investigate security incidents.
  • Filtering: Advanced filtering capabilities allow users to sift through large volumes of data to focus on specific packets or protocols.
  • Protocol Decoding: The app decodes packet contents into human-readable formats, aiding in understanding network communication.
  • VoIP Analysis: Support for VoIP protocols enables analysis of voice and video communications.
  • Exporting: Captured data can be exported to various file formats for further analysis or sharing.
  • Extensibility: It offers a rich ecosystem of plugins and scripts for extending functionality.
Other Mac 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, macOS, Solaris, FreeBSD, NetBSD, and many others
  • Captured network data can be browsed via a GUI, or via 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® (compressed and uncompressed), Sniffer® Pro, and NetXray®, 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
  • Live data can be read from Ethernet, IEEE 802.11, PPP/HDLC, ATM, Bluetooth, USB, Token Ring, Frame Relay, FDDI, and others (depending on your platform)
  • Decryption support for many protocols, including IPsec, ISAKMP, Kerberos, SNMPv3, SSL/TLS, WEP, and WPA/WPA2
  • Coloring rules can be applied to the packet list for quick, intuitive analysis
  • Output can be exported to XML, PostScript®, CSV, or plain text
How to Use
  • Open the installer and follow on-screen instructions
  • Launch Wireshark from the Applications folder
  • Choose the network interface to capture packets
  • Click “Start” to begin packet capture
  • Use filters to narrow down packet results
  • Analyze captured packets in the packet list pane
  • Stop capture with the red square button
  • Save or export capture files for later review
  • Use the built-in tools for deeper protocol analysis
System Requirements

macOS 10.14 Mojave or later

64-bit Intel or Apple Silicon (M1/M2)

At least 2 GB RAM (4 GB or more recommended)

100 MB free disk space

XQuartz may be required for certain features

PROS
  • Powerful network protocol analyzer
  • Open source and free to use
  • Supports hundreds of protocols
  • Advanced filtering and search tools
  • Regular updates and strong community
CONS
  • Interface can be overwhelming
  • Requires elevated permissions
  • Can impact system performance
  • Limited wireless capture on macOS
Also Available: Download Wireshark for Windows

Download Wireshark for Mac Latest Version
Why is this app published on FileHorse? (More info)

  • Wireshark 4.6.5 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    Wireshark 4.6.5 Screenshot 1
  • Wireshark 4.6.5 Screenshot 2
  • Wireshark 4.6.5 Screenshot 3
  • Wireshark 4.6.5 Screenshot 4

What's new in this version:

Fixed:
- This release fixes quite a few vulnerabilities. This is due to to a recent trend in AI-assisted vulnerability reports.
- wnpa-sec-2026-08 Monero dissector crash
- wnpa-sec-2026-09 BT-DHT dissector crash
- wnpa-sec-2026-10 FC-SWILS dissector crash
- wnpa-sec-2026-11 SMB2 dissector infinite loop
- wnpa-sec-2026-12 ICMPv6 dissector crash
- wnpa-sec-2026-13 AFP dissector crash
- wnpa-sec-2026-14 TLS dissector crash and possible code execution
- wnpa-sec-2026-15 K12 RF5 file parser crash
- wnpa-sec-2026-16 SBC codec crash and possible code execution
- wnpa-sec-2026-17 RDP dissector crash and possible code execution
- wnpa-sec-2026-18 AMR-NB codec crash
- wnpa-sec-2026-19 SDP dissector crash
- wnpa-sec-2026-20 iLBC audio codec crash
- wnpa-sec-2026-21 Profile import crash and possible code execution
- wnpa-sec-2026-22 DCP-ETSI protocol dissector crash
- wnpa-sec-2026-23 BEEP protocol dissector crash
- wnpa-sec-2026-24 ZigBee protocol dissector crash
- wnpa-sec-2026-25 DLMS/COSEM protcol dissector infinite loop
- wnpa-sec-2026-26 Dissection engine zlib decompression crash
- wnpa-sec-2026-27 USB HID protocol dissector infinite loop
- wnpa-sec-2026-28 Dissection engine LZ77 decompression crash
- wnpa-sec-2026-29 Kismet protocol dissector crash
- wnpa-sec-2026-30 SANE protocol dissector infinite loop
- wnpa-sec-2026-31 DCP-ETSI protocol dissector crash
- wnpa-sec-2026-32 iLBC audio codec crash
- wnpa-sec-2026-33 TLS dissector infinite loop
- wnpa-sec-2026-34 ASN.1 PER protocol dissector crash
- wnpa-sec-2026-35 RTSP protocol dissector crash
- wnpa-sec-2026-36 IEEE 802.11 protocol dissector crash
- wnpa-sec-2026-37 MySQL protocol dissector crash
- wnpa-sec-2026-38 GNW protocol dissector infinite loop
- wnpa-sec-2026-39 OpenFlow v5 protocol dissector infinite loops
- wnpa-sec-2026-40 OpenFlow v6 protocol dissector infinite loop
- wnpa-sec-2026-41 MBIM dissector infinite loop
- wnpa-sec-2026-42 RPKI-Router protocol dissector infinite loop
- wnpa-sec-2026-43 GSM RP protocol dissector crash
- wnpa-sec-2026-44 WebSocket protocol dissector crash
- wnpa-sec-2026-45 SMB2 protocol dissector crash
- wnpa-sec-2026-46 HTTP protocol dissector crash
- wnpa-sec-2026-47 Sharkd utility memory leak
- wnpa-sec-2026-48 Sharkd utility crash
- wnpa-sec-2026-49 Sharkd utility crash
- wnpa-sec-2026-50 UDS protocol dissector infinite loop

The following bugs have been fixed:
- WSUG: Enabled Protocols dialog needs an update
- Build failure with Qt 6.11 beta
- BLF: Missing 4 byte alignment makes BLF files incompatible with Vector’s tools
- SMB2 decryption keys in smb2_seskey_list are not loaded on restart
- Fuzz job issue: fuzz-2026-03-01-13307044520.pcap
- Window with a message for ssh_strict_fopen
- IEEE 1722.1 Dissector for Stream Input Counters displays FRAMES_RX as "Stream Packets TX" Issue 21055.
- Wireshark 4.6.4 crashes
- Compilation error with Lua-5.5
- BSOD issue affecting Npcap 1.86
- Adding descriptions to BLF interfaces broke the Capture File Properties view
- Assertion Failure in ws_buffer_remove_start via Malformed Packet Manipulation
- Modbus/RTU fails to decode broadcast frames
- Lua not included unless CMake version >= 3.25
- sshdump: Regression in v4.6.4 – Failed to resolve hostname aliases from .ssh/config on Windows
- Fuzz job crash: fuzz-2026-03-25-13637733472.pcap
- dumpcap TCP@ section-header parsing remote heap corruption
- Netflix BBLog EVENT parsing crash
- On Windows, the Follow Stream feature output is shown in proportional font after zooming
- RTP Streams dialog Time of Day inconsistent behavior
- Sysdig Event Block Integer Underflow
- RF4CE NWK Dissector Heap Buffer Overflow (crash/OOB) Issue 21150.
- NetXray/Sniffer Padding Integer Underflow
- HTTP/2 ALTSVC/PRIORITY_UPDATE Frame Length Truncation (24-bit to 16-bit) Issue 21155.
- Snort config parser 2 buffer overflows
- ESP NULL Encryption Integer Underflow triggers Heap Overflow
- Heap buffer overflow in ISO 8583 dissector bin2hex() Issue 21171.
- wslua: NULL pointer dereference in get_dissector when passing an invalid GUID string to an FT_GUID table
- Fuzz job UTF-8 encoding issue: fuzz-2026-04-16-13947406035.pcap
- Qt: Waterfall bars misisng in conversation overview when "limit to display filter" is active
- text2pcap: heap-buffer-overflow in memmove when -P"dissector" payload exceeds reserved space
- text2pcap : Stack overflow via unbounded "g_alloca" in regex "seqno" Issue 21209.
- editcap: --novlan integer underflow in sll_remove_vlan_info causes denial of service on short SLL captures
- NAS-5GS - Mapping issue between IEI 0x7B and "S-NSSAI location validity information" IE
- RTP-MIDI dissector reports incorrect value for MTC Quarter Frame data

New and Updated Features:
- The Windows installers now ship with Npcap 1.87. They previously shipped with Npcap 1.86.
- The Windows installers now ship with Qt 6.10.3. They previously shipped with Qt 6.9.3.

Updated Protocol Support:
- AFP, AIN, ANSI_TCAP, ASAM CMP, ATN-ULCS, BEEP, BGP, BT HCI, BT HCI ISO, BT-DHT, CAMEL, ChargingASE, CMIP, COSEM, DAP, Darwin, DCP ETSI, DECT NR+, DISP, DMX, DNS, E1AP, E2AP, F1AP, FC-SWILS, Frame, FTAM, GLOW, GNW, GOOSE, GPRSCDR, GSM MAP, GSM RP, H.225.0, H.245, H.248, H.450, H.450.ROS, HNBAP, HTTP, HTTP2, ICMPv6, IDMP, IEEE 1609.2, IEEE 1722.1, IEEE 802.11, INAP, IPsec, IPv4, IPv6, ISAKMP, ISO 8583, ITS, JSON 3GPP, Kismet, LCSAP, LDAP, LPPa, M2AP, M3AP, MAS-5GS, MBIM, MMS, Modbus, Monero, MySQL, NBAP, NGAP, NRPPa, OpenFlow 1.4, OpenFlow 1.5, OpenVPN, P1, P22, P7, PCAP, Q932.ROS, QSIG, QUIC, RANAP, RCv3, RF4CE, RF4CE Profile, RNSAP, RPKI-Router, RRLP, RTPS, RUA, S1AP, SABP, SANE, SBcAP, SDP, SGP.22, Signal PDU, SMB2, SSH, T.38, TDSUDP, UDS, WebSocket, X2AP, X509CE, X509IF, X509SAT, XnAP, Z39.50, and ZBD

New and Updated Capture File Support:
- 3gpp phone log, Android Logcat Binary, Android Logcat Text, Ascend, BLF, CAM Inspector, Catapult DCT2000, Cinco NetXray/Sniffer, CoSine IPSX L2, DBS Etherwatch, EyeSDN, HP-UX nettl, IBM iSeries, Ixia IxVeriWave, K12, Micropross mplog, MPEG2 transport stream, NetScaler, NetScreen, pcapng, pppd log, Sniffer, Systemd Journal, TCPIPtrace, Toshiba Compact ISDN Router, and Visual Networks

Plugin Development Changes:
- On UN*X systems (excluding macOS when running from an app bundle, as with the official installer) extcap binaries are now searched for under the libexec directory by default, e.g., /usr/libexec/wireshark/extcap instead of /usr/lib64/wireshark/extcap or similar. This is the customary place for helper binaries, which as opposed to libraries do not need multiarch support. The location can be overridden via the environment variable WIRESHARK_EXTCAP_DIR. The extcap binaries shipped with Wireshark are installed in the new location, but third party extcaps may need packaging changes. This change was effective in version 4.6.0, but was not explicitly noted in the release notes previously. Note that some distributions do not use a libexec directory, such as Alpine Linux, which does not have multilib support. On such systems extcap binaries should be in the same location as before.

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