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puxxustc / sans

A simple anti-spoofing DNS server
GNU General Public License v3.0
24 stars 8 forks source link

解析故障报告 #13

Open qiuzi opened 9 years ago

qiuzi commented 9 years ago

抓包得到： 192.168.1.209.59750 > 192.112.36.4.domain: [bad udp cksum 0xa723 -> 0xa8fb!] 47700+ SOA? github.com. (28) 19:57:18.428055 IP (tos 0x0, ttl 64, id 54370, offset 0, flags [DF], proto UDP (17), length 56) 192.168.1.209.59750 > 192.112.36.4.domain: [bad udp cksum 0xa723 -> 0xdf5b!] 33780+ SOA? github.com. (28) 19:57:23.432028 IP (tos 0x0, ttl 64, id 55177, offset 0, flags [DF], proto UDP (17), length 56) 192.168.1.209.59750 > 192.112.36.4.domain: [bad udp cksum 0xa723 -> 0xb644!] 44299+ SOA? github.com. (28) 19:57:28.436222 IP (tos 0x0, ttl 64, id 55279, offset 0, flags [DF], proto UDP (17), length 56) 192.168.1.209.59750 > 192.112.36.4.domain: [bad udp cksum 0xa723 -> 0xb6e4!] 44139+ SOA? github.com. (28)

程序日志： [15-09-16 20:00:08] query [2] [AAAA] [github.com] [15-09-16 20:00:08] detect [twitter.com] [15-09-16 20:00:13] query [3] [AAAA] [github.com] [15-09-16 20:00:13] detect [twitter.com] [15-09-16 20:00:18] query [4] [AAAA] [github.com] [15-09-16 20:00:18] detect [twitter.com] [15-09-16 20:00:23] query [5] [AAAA] [github.com]

换过root dns server 不行，换境外一般服务器可以坚持段时间 之后出现为题