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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 network troubleshooting and security. // MENU // 00:00 - The Problem with TCP 00:12 - Introducing//Robin Marx 02:12 - Clean Ship, Clean House//RFCs 03:25 - HTTP Semantics//QUIC//HTTP/3 04:17 - Why the Hell Do We Need HTTP/3? 05:05 - Why QUIC? 08:35 - QUIC & TLS Integration 10:02 - Why Use UDP? 13:50 - Replacing TCP with QUIC 14:28 - Summary So Far 15:22 - Stream Multiplexing 15:40 - Head-of-line blocking 18:40 - Why This Slows Things Down 19:29 - How QUIC Does It Differently 20:58 - TCP vs QUIC//Packet Handling 23:11 - HTTP/3 Prioritization 25:25 - Stats//QUIC Isn't Going Anywhere 26:30 - Firewalls are almost useless 27:20 - Firewalls Blocking QUIC? 28:04 - QUIC & Other Protocols? 29:20 - IPv4 & IPv6//Different for QUIC? 29:54 - Challenges for QUIC's Growth 30:43 - Connection Migration 33:33 - What About Hackers? 36:32 - How Do I Get To Use QUIC? 38:28 - Large Companies Adopting QUIC 39:09 - The Internet is Too Centralized? 40:02 - Header Compression 41:55 - Server Push 43:47 - Practical Examples with Wireshark 50:34 - Thank You & How to Contact Robin // Robin SOCIAL // Twitter:   / programmingart   LinkedIn:   / rmarx   YouTube:    / @programmingart   // Robin's Blog articles // HTTP3 core concepts Part 1: https://www.smashingmagazine.com/2021... HTTP3 core concepts Part 2: https://www.smashingmagazine.com/2021... HTTP3 core concepts Part 3: https://www.smashingmagazine.com/2021... // Chris Greer Videos // HTTPS Decryption with Wireshark:    • HTTPS Decryption with Wireshark // We...   Decrypting TLS, HTTP/2 and QUIC with Wireshark:    • Decrypting TLS, HTTP/2 and QUIC with ...   // David SOCIAL // Discord:   / discord   Twitter:   / davidbombal   Instagram:   / davidbombal   LinkedIn:   / davidbombal   Facebook:   / davidbombal.co   TikTok:   / davidbombal   YouTube:    / davidbombal   // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: [email protected] http https quic tcp udp http/1 http/2 http/3 wireshark firewall firewall quic quic firewall http/3 firewall #http3 #quic #tcp