# Réseau - Entêtes des trames

### TCP

[![tcpheader.jpg](https://docs.labs404.fr/uploads/images/gallery/2026-07/scaled-1680-/tcpheader-jpg.jpeg)](https://docs.labs404.fr/uploads/images/gallery/2026-07/scaled-1680-/tcpheader-jpg.jpeg)

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### UDP

[![image.png](https://docs.labs404.fr/uploads/images/gallery/2026-07/scaled-1680-/tuJimage-png.png)](https://docs.labs404.fr/uploads/images/gallery/2026-07/scaled-1680-/tuJimage-png.png)

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### IP

[![image.png](https://docs.labs404.fr/uploads/images/gallery/2026-07/scaled-1680-/Thuimage-png.png)](https://docs.labs404.fr/uploads/images/gallery/2026-07/scaled-1680-/Thuimage-png.png)