我收到太多服务器身份验证错误

我收到太多服务器身份验证错误

这是我做 tail -1000 条消息的时候

Aug 10 03:02:51 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:02:51 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:02:53 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [admin]
Aug 10 03:02:53 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [nekkidtopless]
Aug 10 03:02:53 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:53 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:02:53 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:54 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:02:54 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [administrator]
Aug 10 03:02:54 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [chickswimsuitcom]
Aug 10 03:02:55 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [sunadultcom]
Aug 10 03:02:55 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [admin]
Aug 10 03:02:55 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:55 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:55 host pure-ftpd: ([email protected]) [INFO] New connection from 112.86.10.158
Aug 10 03:02:56 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [d7c]
Aug 10 03:02:56 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:02:56 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [tripstockscom]
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [marriagefxcom]
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [admin]
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [.timemarriage.com]
Aug 10 03:02:57 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:58 host pure-ftpd: ([email protected]) [INFO] New connection from 110.85.68.75
Aug 10 03:02:58 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:02:58 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:02:58 host pure-ftpd: ([email protected]) [INFO] New connection from 118.186.140.18
Aug 10 03:02:59 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:02:59 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:03:01 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:02 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [.sunadult.com]
Aug 10 03:03:02 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:02 host pure-ftpd: ([email protected]) [INFO] New connection from 112.86.10.158
Aug 10 03:03:02 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [datingblondeadmin]
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [root]
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [[email protected]]
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [admin]
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [marriagefx.com]
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [chickswimsuit]
Aug 10 03:03:03 host pure-ftpd: ([email protected]) [INFO] New connection from 110.85.68.75
Aug 10 03:03:04 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:04 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:04 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:04 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:03:04 host pure-ftpd: ([email protected]) [INFO] New connection from 118.186.140.18
Aug 10 03:03:04 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:05 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [tripstocks]
Aug 10 03:03:05 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:05 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:03:06 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [mypicturessiteadmin]
Aug 10 03:03:06 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:06 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [nekkidtoplesscom]
Aug 10 03:03:06 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:06 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:06 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [computergamesonadmin]
Aug 10 03:03:07 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:07 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:07 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [[email protected]]
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [marriagefx]
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [esults]
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [[email protected]]
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:08 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:03:09 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:09 host pure-ftpd: ([email protected]) [INFO] New connection from 118.186.140.18
Aug 10 03:03:09 host pure-ftpd: ([email protected]) [INFO] New connection from 112.86.10.158
Aug 10 03:03:10 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [smartvehiclefinancecom]
Aug 10 03:03:10 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [titiesporniestnet]
Aug 10 03:03:10 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [administrator]
Aug 10 03:03:11 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:11 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:11 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:11 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:11 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:11 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:11 host pure-ftpd: ([email protected]) [INFO] New connection from 110.85.68.75
Aug 10 03:03:12 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [brunettedvdadmin]
Aug 10 03:03:12 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [tripstockscom]
Aug 10 03:03:12 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [marriagefxcom]
Aug 10 03:03:12 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:12 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:12 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:12 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:13 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [timemarriage]
Aug 10 03:03:13 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:13 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:03:13 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:03:13 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:03:13 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:13 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [administrator]
Aug 10 03:03:14 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:14 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [stockmarketof]
Aug 10 03:03:14 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:14 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [chickswimsuitcom]
Aug 10 03:03:14 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:14 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:14 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:15 host pure-ftpd: ([email protected]) [INFO] New connection from 118.186.140.18
Aug 10 03:03:15 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [nekkidtopless]
Aug 10 03:03:15 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [administrator]
Aug 10 03:03:15 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:16 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:03:16 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [[email protected]]
Aug 10 03:03:16 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:16 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:16 host pure-ftpd: ([email protected]) [INFO] New connection from 112.86.10.158
Aug 10 03:03:16 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:16 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [admin]
Aug 10 03:03:17 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [administrator]
Aug 10 03:03:17 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [admin]
Aug 10 03:03:17 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:17 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [tripstocks]
Aug 10 03:03:17 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:17 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [timemarriagecom]
Aug 10 03:03:17 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:17 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:03:18 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:18 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [marriagefx.com]
Aug 10 03:03:18 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:18 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:18 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:18 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:18 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:03:18 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [root]
Aug 10 03:03:19 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:19 host pure-ftpd: ([email protected]) [INFO] New connection from 110.85.68.75
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [root]
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [stockmarketofcom]
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [sunadult]
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:20 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [nekkidtoplesscom]
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [chickswimsuit]
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [root]
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [[email protected]]
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:03:21 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:03:22 host pure-ftpd: ([email protected]) [INFO] New connection from 118.186.140.18
Aug 10 03:03:22 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:22 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [smartvehiclefinanceadmin]
Aug 10 03:03:22 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:23 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [root]
Aug 10 03:03:23 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:23 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:24 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:24 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [marriagefx]
Aug 10 03:03:24 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:24 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [admin]
Aug 10 03:03:24 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [titiesporniestadmin]
Aug 10 03:03:24 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [mypicturessite]
Aug 10 03:03:24 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:03:24 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:25 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:25 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:25 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:25 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:25 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [italian-pussy]
Aug 10 03:03:25 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [nekkidtopless]
Aug 10 03:03:25 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:26 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:26 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:26 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:26 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:03:26 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [esults]
Aug 10 03:03:26 host pure-ftpd: ([email protected]) [INFO] New connection from 110.85.68.75
Aug 10 03:03:27 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:27 host pure-ftpd: ([email protected]) [INFO] New connection from 118.186.140.18
Aug 10 03:03:28 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [[email protected]]
Aug 10 03:03:28 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:28 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [nude-miss]
Aug 10 03:03:28 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [computergamesoncom]
Aug 10 03:03:29 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:29 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [marriagefxcom]
Aug 10 03:03:29 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:29 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:29 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:29 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:03:29 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [stockmarketofadmin]
Aug 10 03:03:30 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:30 host pure-ftpd: ([email protected]) [INFO] New connection from 112.86.10.158
Aug 10 03:03:31 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [administrator]
Aug 10 03:03:31 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:03:31 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [m]
Aug 10 03:03:31 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [datingblondecom]
Aug 10 03:03:31 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:31 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:31 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:32 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:32 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:32 host pure-ftpd: ([email protected]) [INFO] New connection from 220.161.126.80
Aug 10 03:03:32 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [nekkidtoplesscom]
Aug 10 03:03:32 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:32 host pure-ftpd: ([email protected]) [INFO] New connection from 27.153.248.48
Aug 10 03:03:32 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84
Aug 10 03:03:33 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [administrator]
Aug 10 03:03:33 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [chickswimsuitcom]
Aug 10 03:03:34 host pure-ftpd: ([email protected]) [INFO] New connection from 110.85.68.75
Aug 10 03:03:34 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [marriagefx.com]
Aug 10 03:03:34 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:34 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:34 host pure-ftpd: ([email protected]) [INFO] New connection from 118.186.140.18
Aug 10 03:03:34 host pure-ftpd: ([email protected]) [INFO] New connection from 222.186.58.97
Aug 10 03:03:35 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [timemarriage.com]
Aug 10 03:03:35 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:35 host pure-ftpd: ([email protected]) [INFO] New connection from 199.193.71.80
Aug 10 03:03:36 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [sunadultcom]
Aug 10 03:03:36 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [brunettedvdcom]
Aug 10 03:03:36 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:36 host pure-ftpd: ([email protected]) [INFO] New connection from 112.86.10.158
Aug 10 03:03:36 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [admin]
Aug 10 03:03:36 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:37 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [administrator]
Aug 10 03:03:38 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [nekkidtopless]
Aug 10 03:03:38 host pure-ftpd: ([email protected]) [INFO] Logout.
Aug 10 03:03:38 host pure-ftpd: ([email protected]) [WARNING] Authentication failed for user [root]
Aug 10 03:03:39 host pure-ftpd: ([email protected]) [INFO] New connection from 111.175.124.84

这是什么?我该如何阻止它们?

我使用了 cpanel cphulk。但是,cphulk 只列出了 IP 作为暴力攻击列表。27.153.248.48 是 cphulk 中列出的 IP 之一。

然而,我的服务器似乎一直能正常接收来自此类 IP 的连接。

答案1

这只是您在几乎每个面向互联网的服务器上看到的正常“背景噪音”。如果您不需要 ftp 服务器(您不应该需要,而应该使用 SFTP),请将其关闭。除此之外,请确保您有好的密码,也许可以安装类似 Fail2Ban 的东西来阻止主机反复尝试连接但失败。

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