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! == More Training from Chris == ▶Getting Started with Wireshark - https://bit.ly/udemywireshark ▶Getting Started with Nmap - https://bit.ly/udemynmap == Live Wireshark Training == ▶TCP/IP Deep Dive Analysis with Wireshark - https://bit.ly/virtualwireshark == Private Wireshark Training == Let's get in touch - https://packetpioneer.com/product/private-virtual-classroom/