Bad sequence of commands

[stanf1]

素大你好:
之前LOG 檔 .dbg的部份大概都只有1、20kb…
最近三天發現 這個.dbg的log都是 1,2MB
看了一下內容 幾乎都是如下的訊息
這些訊息之前的log也會有 但一天頂多幾個而已
但這三天非常多，不知哪個地方有了問題!?

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2015/09/14:00:48:09 SMTP 180.143.200.148 [Bad sequence of commands] - HEAD /favicon.ico HTTP/1.0
2015/09/14:00:48:09 SMTP 180.143.200.148 [Bad sequence of commands] - Host: 220.130.78.115:25
2015/09/14:00:48:09 SMTP 180.143.200.148 [Bad sequence of commands] - Connection: close
2015/09/14:00:48:11 SMTP 182.106.195.121 [Bad sequence of commands] - HEAD /favicon.ico HTTP/1.0
2015/09/14:00:48:11 SMTP 182.106.195.121 [Bad sequence of commands] - Host: 220.130.78.115:25
2015/09/14:00:48:11 SMTP 182.106.195.121 [Bad sequence of commands] - Cdn-Src-Ip: 192.168.11.11
2015/09/14:00:48:11 SMTP 182.106.195.121 [Bad sequence of commands] - X-Via: 1.0 cbsgxgdF195.115:3800 (Cdn Cache Server V2.0)
2015/09/14:00:48:11 SMTP 182.106.195.121 [Bad sequence of commands] - Connection: keep-alive
2015/09/14:00:48:14 SMTP 117.21.204.205 [Bad sequence of commands] - HEAD /favicon.ico HTTP/1.0
2015/09/14:00:48:14 SMTP 117.21.204.205 [Bad sequence of commands] - Host: 220.130.78.115:25
2015/09/14:00:48:14 SMTP 117.21.204.205 [Bad sequence of commands] - Cdn-Src-Ip: 192.168.11.11
2015/09/14:00:48:14 SMTP 117.21.204.205 [Bad sequence of commands] - X-Via: 1.0 cbsgxgdF204.200:3800 (Cdn Cache Server V2.0)
2015/09/14:00:48:14 SMTP 117.21.204.205 [Bad sequence of commands] - Connection: keep-alive
2015/09/14:00:48:16 SMTP 182.106.195.112 [Bad sequence of commands] - HEAD /favicon.ico HTTP/1.0
2015/09/14:00:48:16 SMTP 182.106.195.112 [Bad sequence of commands] - Host: 220.130.78.115:25
2015/09/14:00:48:16 SMTP 182.106.195.112 [Bad sequence of commands] - Cdn-Src-Ip: 192.168.11.11
2015/09/14:00:48:16 SMTP 182.106.195.112 [Bad sequence of commands] - X-Via: 1.0 cbsgxgdF195.107:3800 (Cdn Cache Server V2.0)
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[Arnor]

看樣子沒什麼,
就亂七八糟的 HTTP 資料餵進了你的伺服器..
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素還尊
Team John Long.
Email: arnor@raidenmaild.com
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