## https
* [1.https](#1https)
* [](#)
* [2.https](#2https)
* [1. ](#1-)
* [2](#2)
* [3.https](#3https)
* [1.https](#1https)
* [2.https](#2https)
* [4.httphttps](#4httphttps)
* [5.HTTPS](#5https)
* [6.HTTPSHTTP](#6httpshttp)
* [7.?](#7)
* [8.?](#8)

### 1.https

1.httpsURLWebWebSSL

2.Web

3.WebSSL

4.

5.Web

6.Web

![](https://gitee.com/WebInterviewHub/WebInterview/raw/master/imgs/https1.png)

#### 

1. HTTPS

httpsserver443

2.



3.

Web

4.



5.



6.



7.



8.



### 2.https

#### 1. 

1.

HTTPS

2.

HTTPSSSL+HTTPhttp

3.

HTTPS

4.

2014HTTPS
2018HTTPSHTTPS

#### 2

1.

SSLHTTPS50%

2.

SSL

3.HTTPSHTTP

HTTPSHTTP

4.SSLIP

SSLIPIPIPv4

5.

HTTPSSSLCA

#### 3.https

##### 1.https

1.HSTS

 HSTS  http header HSTS www.baidu.comhttp://www.baidu.comhttps://www.baidu.com

2.Session resume

Session Resume  Session

```
#### 1.https

1.httpsURLWebWebSSL

2.Web

3.WebSSL

4.

5.Web

6.Web

![](https://gitee.com/WebInterviewHub/WebInterview/raw/master/imgs/https1.png)

##### 

1. HTTPS

httpsserver443

2.



3.

Web

4.



5.



6.



7.



8.



### 2.https

#### 1. 

1.

HTTPS

2.

HTTPSSSL+HTTPhttp

3.

HTTPS

4.

2014HTTPS
2018HTTPSHTTPS

#### 2

1.

SSLHTTPS50%

2.

SSL

3.HTTPSHTTP

HTTPSHTTP

4.SSLIP

SSLIPIPIPv4

5.

HTTPSSSLCA

#### 3.https

##### 1.https

1.HSTS

 HSTS  http header HSTS www.baidu.comhttp://www.baidu.comhttps://www.baidu.com

2.Session resume

Session Resume  Session

```
1.  CPU 
2.  RTT 
```

3.NginxOcsp stapling

OSCP Stapling  Client Hello  certificate status request  OCSP  CA 

4. SPDY  HTTP2

SPDY  HTTP  HTTP 
HTTP2

```
1. SPDY  HTTP2  HTTPS 
2. SPDY  HTTP2  HTTP  API WEB 
```

5.False start

 False Start  client_key_exchange  RTT

##### 2.https

1.  ECC

ECC 

![](https://gitee.com/WebInterviewHub/WebInterview/raw/master/imgs/https2.png)

2. openssl

 OpenSSL 

3.

- SSL 
- GPUSSL 

4.TLS 

#### 4.httphttps

HTTP(HyperText Transfer Protocol)

HTTPS(Hypertext Transfer Protocol Secure)

HTTPHTTPS

HTTPSCAHTTP
HTTPHTTPSSSL
HTTP80HTTPS443
HTTPHTTPSSSLHTTPHTTP

#### 5.HTTPS

HTTPSHTTPTLS/SSLTCPHTTP

TLS/SSLhash





![](https://gitee.com/WebInterviewHub/WebInterview/raw/master/imgs/20200717110728280.png)


#### 6.HTTPSHTTP

- HTTPS
- HTTPS
- SSL
- HTTPS

#### 7.?

,

#### 8.?

,,,,,,,

#### 

https://blog.csdn.net/qq_42033567/article/details/107902340

https://www.cnblogs.com/Duikerdd/p/12030955.html
```

3.NginxOcsp stapling

OSCP Stapling  Client Hello  certificate status request  OCSP  CA 

4. SPDY  HTTP2

SPDY  HTTP  HTTP 
HTTP2

```
1. SPDY  HTTP2  HTTPS 
2. SPDY  HTTP2  HTTP  API WEB 
```

5.False start

 False Start  client_key_exchange  RTT

#### 2.https

1.  ECC

ECC 

![](https://gitee.com/WebInterviewHub/WebInterview/raw/master/imgs/https2.png)

2. openssl

 OpenSSL 

3.

- SSL 
- GPUSSL 

4.TLS 

#### 4.httphttps

HTTP(HyperText Transfer Protocol)

HTTPS(Hypertext Transfer Protocol Secure)

HTTPHTTPS

HTTPSCAHTTP
HTTPHTTPSSSL
HTTP80HTTPS443
HTTPHTTPSSSLHTTPHTTP

#### 5.HTTPS

HTTPSHTTPTLS/SSLTCPHTTP

TLS/SSLhash





![](https://gitee.com/WebInterviewHub/WebInterview/raw/master/imgs/20200717110728280.png)


#### 6.HTTPSHTTP

- HTTPS
- HTTPS
- SSL
- HTTPS

#### 7.?

,

#### 8.?

,,,,,,,

#### 

https://blog.csdn.net/qq_42033567/article/details/107902340

https://www.cnblogs.com/Duikerdd/p/12030955.html