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Wireshark: Packet Analysis and Ethical Hacking

4.7(18,000) on Udemy·220K enrolled
Beginner 12 hours English Course Certificate
SkillsWiresharkPacket analysisNetwork securityNetwork forensicsTroubleshootingProtocols

Is this course right for you?

Our take
A hands-on way to learn Wireshark, the industry-standard tool for capturing and analysing network traffic. It is practical, for troubleshooting and security work alike.

Good for: networking and security learners who want hands-on packet-analysis skills.

Skip if: you are new to networking basics, or you want a broad security overview.

You capture live traffic, write display filters, and dissect TCP/IP, HTTP, DNS and TLS, working through real captures — slow connections, DNS poisoning, cleartext credential theft, malware command-and-control. That packet-level understanding is what separates intermediate from advanced engineers. Wireshark itself is free.

What it does not do is teach networking basics — it assumes you know them — so if you are new to how networks work, or you want a broad security overview, start there first instead. On price, wait for a Udemy sale.

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About this course

This course teaches Wireshark from the ground up: capturing packets on live connections, writing display filters to isolate traffic, dissecting TCP/IP, HTTP, DNS, and TLS protocols, and using Wireshark for both troubleshooting and security analysis.

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Instructor

DB
David Bombal
Udemy instructor
220K+ learners12 courses4.7 instructor rating

Taught by network security practitioners on Udemy with extensive protocol analysis and network forensics experience.

Frequently asked questions

Some genuinely helps. Wireshark shows you the actual packets moving across a network, so you get far more from it if you already grasp basics like IP addresses, ports, and common protocols such as TCP, DNS, and HTTP. Complete networking beginners can still follow along, but pairing this with a foundational networking course — David Bombal has CCNA material — makes the packet captures click rather than wash over you.

Yes. Wireshark is free and open-source, the industry-standard packet analyser used by professionals worldwide, so there is no software cost to learn or use it. The course also provides downloadable capture files (pcapng) so you can practise on real traffic without needing to generate it yourself, meaning beyond any course fee there is nothing further to buy.

Both, deliberately. The course teaches Wireshark for legitimate analysis and troubleshooting — inspecting protocols, diagnosing network problems — and also for security work, such as seeing how unencrypted passwords can be captured and demonstrating attacks on protocols like DHCP and STP with Kali Linux. That security angle is educational, meant to help you understand and defend networks, not a licence to attack systems you do not own.

Hands-on packet analysis across many protocols — Telnet, FTP, HTTP, VoIP, DNS, ICMP, and routing protocols like OSPF and EIGRP — with real capture files to work through. You learn to filter and read traffic, reconstruct sessions (even replaying VoIP calls), and spot security issues. It is very practical, built around doing captures yourself rather than watching theory.

It is a paid course, though David Bombal's material is frequently available at a very low price through promotional links, and much of his teaching also appears free on his YouTube channel. Given the software and practice files are free, the only real cost is the course fee itself, which is usually modest — making this an inexpensive way into a genuinely valuable, career-relevant skill.
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