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[每日一问] http和https的区别 #5

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BUGLAN opened this issue Apr 13, 2020 · 1 comment
Open

[每日一问] http和https的区别 #5

BUGLAN opened this issue Apr 13, 2020 · 1 comment
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BUGLAN commented Apr 13, 2020

简述http和https的区别
@BUGLAN BUGLAN added the 每日一问 每日一问 label Apr 13, 2020
@liaogx123
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1、https协议需要到ca申请证书，一般免费证书较少，因而需要一定费用。
2、http是超文本传输协议，信息是明文传输，https则是具有安全性的ssl加密传输协议。
3、http和https使用的是完全不同的连接方式，用的端口也不一样，前者是80，后者是443。
4、http的连接很简单，是无状态的；HTTPS协议是由SSL+HTTP协议构建的可进行加密传输、身份认证的网络协议，比http协议安全

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