[{"data":1,"prerenderedAt":76},["ShallowReactive",2],{"term-t\u002Ftcp-handshake":3,"related-t\u002Ftcp-handshake":60},{"id":4,"title":5,"acronym":6,"body":7,"category":40,"description":41,"difficulty":42,"extension":43,"letter":44,"meta":45,"navigation":46,"path":47,"related":48,"seo":54,"sitemap":55,"stem":58,"subcategory":6,"__hash__":59},"terms\u002Fterms\u002Ft\u002Ftcp-handshake.md","TCP Handshake",null,{"type":8,"value":9,"toc":33},"minimark",[10,15,19,23,26,30],[11,12,14],"h2",{"id":13},"eli5-the-vibe-check","ELI5 — The Vibe Check",[16,17,18],"p",{},"The TCP handshake is the 'are you ready?' dance before TCP data flows. It's a three-step process: your computer says 'SYN' (hello?), the server says 'SYN-ACK' (hello, ready!), and you say 'ACK' (great, let's go!). After that, data can flow reliably.",[11,20,22],{"id":21},"real-talk","Real Talk",[16,24,25],{},"The TCP handshake (three-way handshake) establishes a connection between two hosts. It synchronizes sequence numbers and confirms both ends are ready to communicate. The process: client sends SYN, server responds with SYN-ACK, client sends ACK. Only then can data transfer begin.",[11,27,29],{"id":28},"when-youll-hear-this","When You'll Hear This",[16,31,32],{},"\"The TCP handshake adds one round-trip of latency before any data is sent.\" \u002F \"SYN flood attacks exploit the TCP handshake to overwhelm servers.\"",{"title":34,"searchDepth":35,"depth":35,"links":36},"",2,[37,38,39],{"id":13,"depth":35,"text":14},{"id":21,"depth":35,"text":22},{"id":28,"depth":35,"text":29},"networking","The TCP handshake is the 'are you ready?' dance before TCP data flows. It's a three-step process: your computer says 'SYN' (hello?","intermediate","md","t",{},true,"\u002Fterms\u002Ft\u002Ftcp-handshake",[49,50,51,52,53],"Three-Way Handshake","TCP","TLS Handshake","Connection","Latency",{"title":5,"description":41},{"changefreq":56,"priority":57},"weekly",0.7,"terms\u002Ft\u002Ftcp-handshake","uXMqClH7uCQMHAKTtLZlCazb8dWUrZzgvk4ARooFEEs",[61,65,69,72],{"title":53,"path":62,"acronym":6,"category":40,"difficulty":63,"description":64},"\u002Fterms\u002Fl\u002Flatency","beginner","Latency is the delay before data starts moving — the time it takes for a request to go from your device to the server and back.",{"title":50,"path":66,"acronym":67,"category":40,"difficulty":42,"description":68},"\u002Fterms\u002Ft\u002Ftcp","Transmission Control Protocol","TCP is like sending a package with delivery confirmation.",{"title":49,"path":70,"acronym":6,"category":40,"difficulty":42,"description":71},"\u002Fterms\u002Ft\u002Fthree-way-handshake","The three-way handshake is the official name for how TCP sets up a connection in exactly three steps: SYN, SYN-ACK, ACK.",{"title":51,"path":73,"acronym":74,"category":40,"difficulty":42,"description":75},"\u002Fterms\u002Ft\u002Ftls-handshake","Transport Layer Security Handshake","The TLS handshake is the 'hello, do we trust each other?' ceremony that happens before any HTTPS data flows.",1776518317135]