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Tal vez te interese leer esto: |
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|
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http://barrapunto.com/article.pl?sid=05/07/24/106216&mode=thread |
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|
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Saludos |
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|
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Angel Cervera Claudio escribió: |
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|
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> Hola a todos. |
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> Tengo un problemilla. |
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> Todos los días recibo "ataques". |
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> Es una tontería. Simplemente intentan logarse en mi máquina mediante |
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> ssh con diferentes usuario. |
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> Lógicamente no consiguen entrar, pero me gustaría se se puede bloquear |
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> estas ips de forma automática durante un tiempo, para impedir que |
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> sigan intentándolo. |
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> Es decir: |
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> Si desde la misma dirección ip se intenta acceder de varios usuarios |
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> distintos y no lo consigue, bloquear esa ip durante un buen rato. |
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> |
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> Tenía pensado, mediante iptables, restringir el acceso ssh sólo si |
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> accedo desde mi máquina, pero como no tengo ip fija. :( |
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> |
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> En el caso de poder hacer esto, cómo se llamaría la técnica. Lo digo |
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> para buscar en el google. |
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> |
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> Un saludi y gracias. |
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> |
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> Os paso fragmentos del log: |
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> .............. |
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> Jul 19 03:06:03 [sshd] Invalid user lynx from 211.233.73.160 |
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> Jul 19 03:06:13 [sshd] Invalid user monkey from 211.233.73.160 |
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> Jul 19 03:06:22 [sshd] Invalid user lion from 211.233.73.160 |
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> Jul 19 03:06:30 [sshd] Invalid user heart from 211.233.73.160 |
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> Jul 19 03:06:39 [sshd] Invalid user michel from 211.233.73.160 |
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> Jul 19 03:06:48 [sshd] Invalid user alibaba from 211.233.73.160 |
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> Jul 19 03:06:56 [sshd] Invalid user bebe from 211.233.73.160 |
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> Jul 19 03:07:05 [sshd] Invalid user mp3 from 211.233.73.160 |
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> Jul 19 03:07:14 [sshd] Invalid user music from 211.233.73.160 |
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> Jul 19 03:07:23 [sshd] Invalid user spirit from 211.233.73.160 |
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> Jul 19 03:07:32 [sshd] Invalid user radu from 211.233.73.160 |
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> Jul 19 03:07:41 [sshd] Invalid user xxx from 211.233.73.160 |
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> Jul 19 03:07:50 [sshd] Invalid user sex from 211.233.73.160 |
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> Jul 19 03:07:59 [sshd] Invalid user lolita from 211.233.73.160 |
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> Jul 19 03:08:08 [sshd] Invalid user teen from 211.233.73.160 |
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> Jul 19 03:08:17 [sshd] Invalid user adult from 211.233.73.160 |
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> Jul 19 03:08:26 [sshd] Invalid user movie from 211.233.73.160 |
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> Jul 19 03:08:35 [sshd] Invalid user movies from 211.233.73.160 |
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> Jul 19 03:08:54 [sshd] Invalid user status from 211.233.73.160 |
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> Jul 19 03:09:04 [sshd] Invalid user iptables from 211.233.73.160 |
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> Jul 19 03:09:14 [sshd] Invalid user portal from 211.233.73.160 |
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> Jul 19 03:09:23 [sshd] Invalid user history from 211.233.73.160 |
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> Jul 19 03:09:32 [sshd] Invalid user dev from 211.233.73.160 |
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> Jul 19 03:09:40 [sshd] Invalid user egrep from 211.233.73.160 |
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> Jul 19 03:09:48 [sshd] Invalid user update from 211.233.73.160 |
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> Jul 19 07:53:08 [sshd] Invalid user test from 202.127.19.158 |
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> .......... |
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> Jul 20 10:27:40 [sshd] Invalid user test from 213.61.160.9 |
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> - Last output repeated 25 times - |
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> Jul 20 10:27:48 [sshd] Invalid user admin from 213.61.160.9 |
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> - Last output repeated 27 times - |
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> Jul 20 10:27:57 [sshd] User guest not allowed because shell /dev/null |
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> is not executable |
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> - Last output repeated 20 times - |
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> Jul 20 10:28:02 [sshd] Invalid user user from 213.61.160.9 |
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> - Last output repeated 22 times - |
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> Jul 20 10:28:09 [sshd] Invalid user sales from 213.61.160.9 |
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> - Last output repeated 7 times - |
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> Jul 20 10:28:14 [sshd] Invalid user webadmin from 213.61.160.9 |
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> - Last output repeated 8 times - |
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> Jul 20 10:28:17 [sshd] Invalid user spam from 213.61.160.9 |
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> - Last output repeated 7 times - |
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> Jul 20 10:28:20 [sshd] Invalid user virus from 213.61.160.9 |
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> - Last output repeated 7 times - |
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> Jul 20 10:28:25 [sshd] Invalid user oracle from 213.61.160.9 |
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> - Last output repeated 7 times - |
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> Jul 20 10:28:32 [sshd] Invalid user webmaster from 213.61.160.9 |
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> - Last output repeated 6 times - |
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> Jul 20 10:28:42 [sshd] Invalid user linux from 213.61.160.9 |
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> - Last output repeated 2 times - |
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> Jul 20 10:28:43 [sshd] Invalid user web from 213.61.160.9 |
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> - Last output repeated 3 times - |
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> Jul 20 10:28:44 [sshd] Invalid user webmail from 213.61.160.9 |
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> - Last output repeated 5 times - |
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> Jul 20 10:28:48 [sshd] Invalid user pgsql from 213.61.160.9 |
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> Jul 20 10:28:48 [sshd] Invalid user pqsql from 213.61.160.9 |
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> Jul 20 10:28:48 [sshd] Invalid user pgsql from 213.61.160.9 |
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> - Last output repeated 5 times - |
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> Jul 20 10:28:52 [sshd] Invalid user info from 213.61.160.9 |
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> - Last output repeated 14 times - |
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> Jul 20 10:28:56 [sshd] Invalid user library from 213.61.160.9 |
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> - Last output repeated 8 times - |
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> ............... |
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> Jul 23 23:32:37 [sshd] Invalid user jancsi from 218.188.14.243 |
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> Jul 23 23:32:39 [sshd] Invalid user jani from 218.188.14.243 |
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> Jul 23 23:32:42 [sshd] Invalid user janika from 218.188.14.243 |
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> Jul 23 23:32:44 [sshd] Invalid user janos from 218.188.14.243 |
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> Jul 23 23:32:47 [sshd] Invalid user jenci from 218.188.14.243 |
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> Jul 23 23:32:49 [sshd] Invalid user jeno from 218.188.14.243 |
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> Jul 23 23:32:52 [sshd] Invalid user johanna from 218.188.14.243 |
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> Jul 23 23:32:54 [sshd] Invalid user jolan from 218.188.14.243 |
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> Jul 23 23:32:57 [sshd] Invalid user jolanka from 218.188.14.243 |
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> Jul 23 23:32:59 [sshd] Invalid user levi from 218.188.14.243 |
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> Jul 23 23:33:02 [sshd] Invalid user levente from 218.188.14.243 |
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> Jul 23 23:33:04 [sshd] Invalid user isti from 218.188.14.243 |
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> Jul 23 23:33:07 [sshd] Invalid user pisti from 218.188.14.243 |
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> Jul 23 23:33:09 [sshd] Invalid user tibor from 218.188.14.243 |
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> Jul 23 23:33:12 [sshd] Invalid user karoly from 218.188.14.243 |
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> Jul 23 23:33:14 [sshd] Invalid user tibi from 218.188.14.243 |
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> Jul 23 23:33:17 [sshd] Invalid user norbi from 218.188.14.243 |
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> Jul 23 23:33:19 [sshd] Invalid user marta from 218.188.14.243 |
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> Jul 23 23:33:22 [sshd] Invalid user zoltan from 218.188.14.243 |
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> Jul 23 23:33:25 [sshd] Invalid user agape from 218.188.14.243 |
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> Jul 23 23:33:27 [sshd] Invalid user agapios from 218.188.14.243 |
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> Jul 23 23:33:30 [sshd] Invalid user agathe from 218.188.14.243 |
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> Jul 23 23:33:32 [sshd] Invalid user aglaia from 218.188.14.243 |
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> Jul 24 04:07:23 [sshd] Invalid user admin from 60.248.99.237 |
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> - Last output repeated 2 times - |
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> Jul 24 04:07:32 [sshd] Invalid user ftpuser from 60.248.99.237 |
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> - Last output repeated 6 times - |
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> Jul 24 04:07:54 [sshd] Invalid user mailtest from 60.248.99.237 |
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> - Last output repeated 5 times - |
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> Jul 24 04:08:12 [sshd] Invalid user testuser from 60.248.99.237 |
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> - Last output repeated 5 times - |
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> Jul 24 04:08:30 [sshd] Invalid user sales from 60.248.99.237 |
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> - Last output repeated 6 times - |
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> Jul 24 04:09:53 [sshd] Invalid user student from 60.248.99.237 |
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> - Last output repeated 5 times - |
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> Jul 24 04:10:12 [sshd] Invalid user service from 60.248.99.237 |
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> - Last output repeated 5 times - |
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> ...... |
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> Y así hasta el infinito. |
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> |
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> |
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> |
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> |
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|
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-- |
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|
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|
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______________________________________________ |
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Renovamos el Correo Yahoo! |
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Nuevos servicios, más seguridad |
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http://correo.yahoo.es |
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-- |
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