[求助] [error]wpad.xxx.com 同樣logs每分鐘出現(xiàn)30多次 請問應(yīng)該怎么防御?

ora111

2015/11/23 17:28:21 [error] 16444#0: *1312 open() "/www/web/default/wpad.dat" failed (2: No such file or directory), client: 61.178.38.160, server: localhost, request: "GET /wpad.dat HTTP/1.1", host: "wpad.xxx.com"
2015/11/23 17:28:22 [error] 16444#0: *1313 open() "/www/web/default/wpad.dat" failed (2: No such file or directory), client: 61.178.38.160, server: localhost, request: "GET /wpad.dat HTTP/1.1", host: "wpad"
2015/11/23 17:28:29 [error] 16444#0: *1335 open() "/www/web/default/wpad.dat" failed (2: No such file or directory), client: 61.178.38.160, server: localhost, request: "GET /wpad.dat HTTP/1.1", host: "119.124.5.9"

xxx.com是我的域名
119.124.5.9是我的ip
wpad是不知道什么東西 我沒有這個域名 也沒這個ip




同樣logs每分鐘出現(xiàn)30多次
請問這是什么情況? 都是來自同一個ip


應(yīng)該怎么防御?
謝謝啦