The Internet just changed.

You better be aware of what just changed on the Internet. TCP is being replaced with QUIC. UDP is being used more and more instead of TCP. This affects your firewalls. It affects a lot of your network troubleshooting. HTTP/3 has been standardized. Everything is encrypted with QUIC – welcome to the new world of… Continue reading The Internet just changed.

Network Nightmares! How TCP really works: MTU vs MSS

Wireshark TCP Deep Dive continues: You need to understand this – whats the difference between Maximum Transmission Unit (MTU) vs Maximum Segment Size (MSS). // MENU // 00:00 ▶️ Coming Up 00:25 ▶️ Intro 00:32 ▶️ Chris introduction 00:47 ▶️ Topic: Maximum Segment Size (MSS) 01:27 ▶️ Explaining Maximum Transmission Unit (MTU) 08:42 ▶️ Interface… Continue reading Network Nightmares! How TCP really works: MTU vs MSS

How TCP really works // Three-way handshake // TCP/IP Deep Dive

You need to learn TCP/IP. It’s so much part of our life. Doesn’t matter if you are studying for cybersecurity, or networking or something else. Learn TCP/IP. // MENU // 00:00 ▶️ Intro 01:32 ▶️ The beginnings of TCP 03:57 ▶️ Three way handshake 07:20 ▶️ SYN meaning/explanation 08:50 ▶️ Port numbers 09:58 ▶️ What… Continue reading How TCP really works // Three-way handshake // TCP/IP Deep Dive

Is this an attack? Wireshark Packet analysis // SYN Attack

Legit TCP flows or hacking attacks? Can Wireshark help us to decode the flows and see if the traffic is malicious? // WIRESHARK FILE // Download here: https://www.dropbox.com/s/pvytdvkvxl8… // MAXMIND // How to: https://wiki.wireshark.org/HowToUseGeoIP Maxmind: https://www.maxmind.com/en/home // MY STUFF // https://www.amazon.com/shop/davidbombal // SOCIAL // ================ Connect with me: ================ Discord: http://discord.davidbombal.com ​ Twitter: https://www.twitter.com/davidbombal​ Instagram:… Continue reading Is this an attack? Wireshark Packet analysis // SYN Attack

Network Myths: TCP/IP

Is TCP/IP required in networks? Do switches require that hosts use TCP/IP? Is it possible to run a non-TCP/IP network? Need help for your CCNA exam? Join my Discord here: https://discord.com/invite/usKSyzb Menu: Is TCP/IP required in networks? 0:00 Do PCs need to use TCP/IP? 0:30 Network devices: 1:10 Network Topology: 1:39 IPX/SPX example: 2:00 Protocols… Continue reading Network Myths: TCP/IP