服务器的请求日志里出现路径不以/开头的日志是什么情况

Question

请问什么情况下会出现C这种情况。

// 非关键信息已做替换处理

A：正常请求 POST http://www.explame.com/a/b/c

请求日志：[2019-01-17T08:36:53.459Z] "POST /a/b/c/1.1" 200 - 288 89 27 24 "60.159.60.119" "Apache-HttpClient/4.5.2 (Java/1.8.0_171)" "28acr77c-5e90-4104-b260-329220f35b82" "www.explame.com" "176.45.2.111:8080" outbound|8082||aaa-svc.default.svc.cluster.local - 172.20.1.141:443 47.98.166.2:48014

B：测试请求 http://www.explame.com/http://www.explame.com/a/b/c

请求日志：[2019-01-17T08:40:41.133Z] "POST /http://www.explame.com/a/b/cHTTP/1.1" 404 - 0 0 5 3 "60.159.60.119" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36" "9eeaa699-b943-49d8-8e87-3f32a46lo454" "www.explame.com" "176.45.2.111:8080" outbound|8080||aaa-svc.default.svc.cluster.local - 172.20.1.141:80 66.139.61.99:61621

C：未知请求（这种情况怎么出现的？）

请求日志：[2019-01-17T08:47:09.492Z] "POST http://www.explame.com/a/b/c?timestamp=2019-01-17+16%3A47%3A09&sign=FWER541F8A760BB29F6A66DEEEB3496D4&app_key=25536607&method=eeeee.city.listHTTP/1.1" 404 - 0 0 0 - "-" "-" "-" "www.explame.com:80" "-" - - 172.54.11.21:80 201.219.215.217:37946

Answer 1

前两种 A, B 同属绝对路径, 第三种 C 属于完整地址.
目前, 仅 HTTP 代理服务器会收到完整地址.

参考 HTTP 标准
https://tools.ietf.org/html/r...

这些日志表明服务器被扫描过.