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07:04

How TCP Works - FINs vs Resets

This video explains the difference between the orderly (FIN) and abortive (Reset) release in TCP with Wireshark. You can follow along with the video using this trace file hosted on Cloudshark - https://www.cloudshark.org/captures/c6411c0a4588 Like/Share/Subscribe for more Wireshark content! Want Wireshark training on-demand? ----------------------FREE ON DEMAND TRAINING ------------------------------- ▶Getting Started with Wireshark (Intro Course) - https://bit.ly/wiresharkprotocols ▶Foundational TCP with Wireshark - https://bit.ly/wiresharktcp ▶Mastering TCP with Wireshark - https://bit.ly/mastertcp ▶Protocol Deep Dive: QUIC - https://bit.ly/quicprotocol --------------- Trace File Analysis Services//Private Training ----------------------- Got packet problems that you need help digging into? Want to schedule a private training for your team? https://www.packetpioneer.com/contact ------------------------ Books for Wireshark Beginners ------------------ https://amzn.to/3jeu349 - Practical Packet Analysis (Chris Sanders) https://amzn.to/3gnhtgZ - Wireshark 101: Essential Skills (Laura Chappell) https://amzn.to/2CVavSR - Learn Wireshark (Lisa Bock) -------------------LIVE WIRESHARK TRAINING ------------------------ Open enrollment Wireshark Course - Network Analysis Fundamentals - Two Days Remote via Zoom. Check it out here - http://bit.ly/virtualwireshark

07:30

How TCP Works - The Timestamps Option

In the TCP header, you may see a scary-looking 4 byte number in the Timestamp option. What is this thing and how TCP use it? Let's dig. You can follow along with the video on this trace file --- bit.ly/TCPTimeStamps Like/Share/Subscribe for more Wireshark content! ----------------------FREE ON DEMAND TRAINING ------------------------------- Learn some new Wireshark tricks with my hands-on courses on Pluralsight. Check out the free 10-Day Trial so you can watch them all. Just hit one of the links below. Getting Started with Wireshark (Intro Course) - http://bit.ly/wiresharkprotocols Foundational TCP with Wireshark - http://bit.ly/wiresharktcp Mastering TCP with Wireshark - http://bit.ly/mastertcp Troubleshooting Slow Networks with Wireshark - http://bit.ly/wiresharktshoot Visualizing Network Traffic with Wireshark - http://bit.ly/wiresharkgraphs ——————- Essential TCP/IP Book for Analysts—————————— TCP/IP Illustrated, Volume 1: The Protocols (2nd Edition) https://amzn.to/32l6Czg ------------------------ Books for Wireshark Beginners ------------------ https://amzn.to/3jeu349 - Practical Packet Analysis (Chris Sanders) https://amzn.to/3gnhtgZ - Wireshark 101: Essential Skills (Laura Chappell) https://amzn.to/2CVavSR - Learn Wireshark (Lisa Bock) -------------------LIVE WIRESHARK TRAINING ------------------------ Open enrollment Wireshark Course - Network Analysis Fundamentals - Two Days Remote via Zoom. Check it out here - http://bit.ly/wiresharkintro --------------- Trace File Analysis Services ----------------------- Got packet problems that you need help digging into? https://www.packetpioneer.com/contact

01:12:04

TCP Fundamentals - Retransmissions, Window Size // TCP/IP Explained

Let's dig into the Transport Control Protocol with a deep-dive into the fundamentals of TCP/IP. If you liked this video, I’d really appreciate you giving me a like and subscribing, it helps me a whole lot. Also don't be shy, chat it up in the comments! // WIRESHARK TRAINING - Udemy// ▶Getting Started with Wireshark - https://bit.ly/udemywireshark // WIRESHARK TRAINING - Pluralsight// Check out the free 10-day trial of my hands-on courses on Pluralsight: ▶TCP Fundamentals with Wireshark - https://www.bit.ly/wiresharktcp ▶Identify Cyber Attacks with Wireshark - https://www.bit.ly/wiresharkhunt ▶TCP Deep Dive with Wireshark - https://bit.ly/virtualwireshark //LIVE TRAINING COURSE// ▶TCP/IP Deep Dive Analysis with Wireshark - https://bit.ly/virtualwireshark -------------------Essential TCP/IP Book for Analysts------------------ TCP/IP Illustrated, Volume 1: The Protocols (2nd Edition) https://amzn.to/32l6Czg ------------------------ Books for Wireshark Beginners ------------------ https://amzn.to/3jeu349 - Practical Packet Analysis (Chris Sanders) https://amzn.to/2CVavSR - Learn Wireshark (Lisa Bock) Video Chapters: 0:00 TCP Congestion Window vs Receive Win 5:07 Case Study: The Receive Window 27:13 The TCP Trace Graph 32:53 The Congestion Window Explained 39:47 Case Study: The Congestion Window 47:32 Measuring Delays in TCP Streams 57:55 Case Study: TCP MSS Problem

07:32

How TCP Works - Selective Acknowledgment (SACK)

In this video we will dive into the TCP SACK Option and see how it works. This is a very important aspect of TCP to understand, as most modern implementations use it. And yeah, it can be confusing! Like/Share/Subscribe for more Wireshark content! -------------------------FREE ON DEMAND TRAINING ------------------------------- Learn some new Wireshark tricks with my hands-on courses on Pluralsight. Check out the free 10-Day Trial so you can watch them all. Just hit one of the links below. Getting Started with Wireshark (Intro Course) - https://bit.ly/wiresharkprotocols Foundational TCP with Wireshark - https://bit.ly/wiresharktcp Mastering TCP with Wireshark - https://bit.ly/mastertcp Troubleshooting Slow Networks with Wireshark - https://bit.ly/wiresharktshoot Visualizing Network Traffic with Wireshark - https://bit.ly/wiresharkgraphs ------------------------LIVE WIRESHARK TRAINING ------------------------ Network Analysis Fundamentals - Two Days Remote via Zoom. Check it out here - https://bit.ly/virtualwireshark -------------------Essential TCP/IP Book for Analysts------------------ TCP/IP Illustrated, Volume 1: The Protocols (2nd Edition) https://amzn.to/32l6Czg ------------------------ Books for Wireshark Beginners ------------------ https://amzn.to/3jeu349 - Practical Packet Analysis (Chris Sanders) https://amzn.to/2CVavSR - Learn Wireshark (Lisa Bock) --------------- Trace File Analysis Services ----------------------- Got packet problems that you need help digging into? https://www.packetpioneer.com/contact

03:10

How TCP Works - No Operation Option

In this video we will take a look at the No Operation option in the TCP Handshake. This field acts as a filler to pad out the header size to a multiple of 4 bytes. Let's see why that is important. Like/Share/Subscribe for more Wireshark content! ----------------------FREE ON DEMAND TRAINING ------------------------------- Learn some new Wireshark tricks with my hands-on courses on Pluralsight. Check out the free 10-Day Trial so you can watch them all. Just hit one of the links below. Getting Started with Wireshark (Intro Course) - http://bit.ly/wiresharkprotocols Foundational TCP with Wireshark - http://bit.ly/wiresharktcp Mastering TCP with Wireshark - http://bit.ly/mastertcp Troubleshooting Slow Networks with Wireshark - http://bit.ly/wiresharktshoot Visualizing Network Traffic with Wireshark - http://bit.ly/wiresharkgraphs ——————- Essential TCP/IP Book for Analysts—————————— TCP/IP Illustrated, Volume 1: The Protocols (2nd Edition) https://amzn.to/32l6Czg ------------------------ Books for Wireshark Beginners ------------------ https://amzn.to/3jeu349 - Practical Packet Analysis (Chris Sanders) https://amzn.to/3gnhtgZ - Wireshark 101: Essential Skills (Laura Chappell) https://amzn.to/2CVavSR - Learn Wireshark (Lisa Bock) -------------------LIVE WIRESHARK TRAINING ------------------------ Open enrollment Wireshark Course - Network Analysis Fundamentals - Two Days Remote via Zoom. Check it out here - http://bit.ly/wiresharkintro --------------- Trace File Analysis Services ----------------------- Got packet problems that you need help digging into? https://www.packetpioneer.com/contact

01:25

Wireshark Quick Tip - Open Two Traces on Mac OS

Sometimes I need to do side-by-side analysis using Wireshark on my MacBook Pro. This is a handy little trick that I learned from none other than Mr. Gerald Combs himself. Like/Share/Subscribe for more Wireshark content! ----------------------FREE ON DEMAND TRAINING ------------------------------- Learn some new Wireshark tricks with my hands-on courses on Pluralsight. Check out the free 10-Day Trial so you can watch them all. Just hit one of the links below. Getting Started with Wireshark (Intro Course) - http://bit.ly/wiresharkprotocols Foundational TCP with Wireshark - http://bit.ly/wiresharktcp Mastering TCP with Wireshark - http://bit.ly/mastertcp Troubleshooting Slow Networks with Wireshark - http://bit.ly/wiresharktshoot Visualizing Network Traffic with Wireshark - http://bit.ly/wiresharkgraphs ——————- Essential TCP/IP Book for Analysts—————————— TCP/IP Illustrated, Volume 1: The Protocols (2nd Edition) https://amzn.to/32l6Czg ------------------------ Books for Wireshark Beginners ------------------ https://amzn.to/3jeu349 - Practical Packet Analysis (Chris Sanders) https://amzn.to/3gnhtgZ - Wireshark 101: Essential Skills (Laura Chappell) https://amzn.to/2CVavSR - Learn Wireshark (Lisa Bock) -------------------LIVE WIRESHARK TRAINING ------------------------ Open enrollment Wireshark Course - Network Analysis Fundamentals - Two Days Remote via Zoom. Check it out here - http://bit.ly/wiresharkintro --------------- Trace File Analysis Services ----------------------- Got packet problems that you need help digging into? https://www.packetpioneer.com/contact

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