http 首部定义 Header Field Definitions

参考：https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Headers

GET /v.gif?ct=2&logFrom=feed_index&logInfo=top_refresh&qid=0x8f3c9a6a00094d65&logid=2151100090&r=l1667048650491&isLogin=1 HTTP/1.1
Host: hpd.baidu.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0
Accept: image/avif,image/webp,*/*
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate, br
Referer: https://www.baidu.com/index.php?tn=monline_3_dg
Connection: keep-alive
Cookie: BIDUPSID=26B985EF9E6B21B74A535A4AE51F84CB; 
Sec-Fetch-Dest: image
Sec-Fetch-Mode: no-cors
Sec-Fetch-Site: same-site

HTTP/1.1 200 OK
Access-Control-Allow-Credentials: true
Access-Control-Allow-Methods: GET, POST, OPTIONS
Access-Control-Allow-Origin: *
Cache-Control: no-cache
Connection: keep-alive
Content-Length: 0
Content-Type: image/gif
Date: Sat, 29 Oct 2022 13:04:04 GMT
Pragma: no-cache
Server: nginx/1.8.0
Tracecode: 02446697990800107786102921

 

GET /sn.gif?d=pid HTTP/1.1
Host: da.dun.163.com
Connection: keep-alive
sec-ch-ua: "Google Chrome";v="105", "Not)A;Brand";v="8", "Chromium";v="105"
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
sec-ch-ua-platform: "Windows"
Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Sec-Fetch-Site: cross-site
Sec-Fetch-Mode: no-cors
Sec-Fetch-Dest: image
Referer: https://www.zhihu.com/question/458080573
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9

HTTP/1.1 200 
Server: nginx
Date: Sat, 29 Oct 2022 13:11:11 GMT
Content-Type: image/gif
Content-Length: 210
Connection: keep-alive

........Mac OS X        .....    ...2..................................................ATTR...............*.......................*..$com.apple.metadata:_kMDItemUserTags..bplist00.................................