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Wireshark

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Wireshark

147 reviews

Wireshark is a open-source network protocol analyzer that enables users to capture and interactively examine the traffic traversing a computer network. It provides deep insights into network communications, making it an essential tool for network troubleshooting, analysis, software and protocol development, and educational purposes. Wireshark is cross-platform, running on Windows, macOS, Linux, and various UNIX systems. Key Features and Functionality: - Comprehensive Protocol Support: Wireshark offers deep inspection of hundreds of protocols, with new ones continually being added. - Live Capture and Offline Analysis: Users can capture live network data or analyze previously saved capture files. - Multi-Platform Compatibility: The software operates on multiple platforms, including Windows, Linux, macOS, FreeBSD, and NetBSD. - Advanced Display Filters: Wireshark provides powerful display filters, allowing users to focus on specific traffic patterns. - Rich VoIP Analysis: It includes tools for analyzing Voice over IP (VoIP) communications. - Support for Various Capture File Formats: Wireshark can read and write numerous capture file formats, such as tcpdump (libpcap), Pcap NG, and others. - Decryption Capabilities: The tool supports decryption for many protocols, including IPsec, ISAKMP, Kerberos, SNMPv3, SSL/TLS, WEP, and WPA/WPA2. - Customizable Coloring Rules: Users can apply coloring rules to the packet list for quick, intuitive analysis. Primary Value and Problem Solving: Wireshark addresses the critical need for in-depth network analysis by providing a detailed view of network traffic at a microscopic level. This capability is invaluable for network professionals, security experts, developers, and educators who require precise insights into network behavior. By facilitating the identification and resolution of network issues, Wireshark enhances network performance, security, and reliability. Its open-source nature ensures continuous improvement and adaptability to emerging networking technologies and protocols.

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Verified User in Hospital & Health Care
UH
Verified User in Hospital & Health Care
09/18/2025
Validated Reviewer
Review source: G2 invite
Incentivized Review

Powerful, Free Network Protocol Analyzer

Wireshark is one of the most widely used network analysis tools, offering deep packet inspection, real-time capture, and detailed protocol decoding. Its open-source nature makes it accessible to both beginners and professionals, though its interface and depth of data can feel overwhelming for newcomers. Overall, it’s an essential tool for troubleshooting, security analysis, and learning how networks operate
Luca P.
LP
Luca P.
CTO - Growth Marketer full stack #MarTech | ⚡️ SaaS Advisor
07/24/2025
Validated Reviewer
Review source: G2 Gives Campaign
Incentivized Review

Professional, Deep-Dive Network Packet Analyzer

• Comprehensive Protocol Support: Wireshark impresses with its ability to analyze hundreds of network protocols, providing real-time and offline packet capture. This extensive coverage is valuable both for standard TCP/UDP analysis and for less common or emerging protocols. • Granular Traffic Inspection: The platform’s core strength is deep packet inspection. The advanced filtering engine enables detailed traffic pattern analysis, protocol breakdown, and quick isolation of specific flows—even in complex environments. Filters and color-coded rules streamline the process of identifying packet anomalies or suspicious activity. • Real-Time and Offline Analysis: Wireshark captures live traffic, and also loads saved PCAP files for retrospective investigation. This dual capability enhances its utility across troubleshooting, performance monitoring, and security forensics. • Cross-Platform Availability: The tool runs natively on Windows, macOS, Linux, and other UNIX systems, ensuring wide accessibility in diverse IT and security infrastructures. • Open Source, Cost-Effective, and Actively Maintained: Free under the GNU GPL, Wireshark benefits from strong community support, fast updates, and continuous enhancement, making it ideal for professionals, educators, and organizations with strict budgets. • Integration with Security and Network Stacks: Native compatibility with related tools such as tcpdump and TShark (CLI version), and ease of setup in cybersecurity labs and penetration testing workflows, make it suitable for advanced users and research environments. • Rich Community Resources: An active, global community regularly produces tutorials, educational videos, and documentation, accelerating learning and troubleshooting. • Customizability: The software’s architecture is extensible; it supports custom dissectors and plugins, allowing specialized protocol analysis and personalization for unique project requirements.
Nikhil  S.
NS
Nikhil S.
Certified Ethical Hacker | Ceh v12 | VAPT | CTF Player |
07/03/2025
Validated Reviewer
Verified Current User
Review source: Organic

A Must-Have Tool for Cybersecurity and Network Troubleshooting

Wireshark is a powerful and feature-rich tool that allows deep packet inspection, protocol analysis, and real-time traffic monitoring. It's easy to install across platforms and integrates well with tools like tcpdump, TShark, and Kali Linux, making it ideal for cybersecurity labs and network diagnostics. Despite its technical depth, it's highly efficient once learned and supported by a strong community with excellent documentation.

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What is Wireshark?

Wireshark is the world's foremost network protocol analyzer.

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