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從瀏覽器輸入網址到看到網頁到底發生了哪些事? | Hello Python #6

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setmao opened this issue Jul 17, 2021 · 0 comments

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setmao commented Jul 17, 2021

https://setmao.github.io/2021-07-04/%E5%BE%9E%E7%80%8F%E8%A6%BD%E5%99%A8%E8%BC%B8%E5%85%A5%E7%B6%B2%E5%9D%80%E5%88%B0%E7%9C%8B%E5%88%B0%E7%B6%B2%E9%A0%81%E5%88%B0%E5%BA%95%E7%99%BC%E7%94%9F%E4%BA%86%E5%93%AA%E4%BA%9B%E4%BA%8B%EF%BC%9F/

在 browser 輸入網址 browser 跟 OS 要網址的 IP address OS 向 DNS 查詢 IP address(如果有 cache 會直接回傳 IP address 給 OS) DNS 向 Name Server 查詢 IP address OS 將從 DNS/Name Server 查詢到的 IP address 回傳給 browser browser 拿到 IP

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