Pessoal, constantemente estão tentando arrebentar meu SERVER sem sucesso mas mesmo assim teria alguma forma ou algum script pra dropar por definitivo o IP que está tentando acessar meu ssh ?
Alguma dica ?
Ou ate mesmo algo que eu possa retribuir tanta dedicação de um FDP.
Jul 27 22:56:56 guarana sshd[19299]: Failed password for root from 218.12.174.4 port 59816 ssh2
Jul 27 22:57:06 guarana sshd[19302]: Failed password for root from 218.12.174.4 port 34283 ssh2
Jul 27 22:57:12 guarana sshd[19305]: Failed password for root from 218.12.174.4 port 36934 ssh2
Jul 27 22:57:22 guarana sshd[19308]: Failed password for root from 218.12.174.4 port 39021 ssh2
Jul 27 22:57:28 guarana sshd[19311]: Failed password for root from 218.12.174.4 port 41698 ssh2
Jul 27 22:57:32 guarana sshd[19314]: Failed password for root from 218.12.174.4 port 43350 ssh2
Jul 27 22:57:37 guarana sshd[19317]: Failed password for root from 218.12.174.4 port 44487 ssh2
Jul 27 22:57:41 guarana sshd[19320]: Failed password for root from 218.12.174.4 port 45674 ssh2
Jul 27 22:57:44 guarana sshd[19323]: Failed password for root from 218.12.174.4 port 46807 ssh2
Jul 27 22:57:48 guarana sshd[19326]: Failed password for root from 218.12.174.4 port 47884 ssh2
Jul 27 22:57:52 guarana sshd[19329]: Failed password for root from 218.12.174.4 port 49043 ssh2
Jul 27 22:57:56 guarana sshd[19332]: Failed password for root from 218.12.174.4 port 50209 ssh2
Jul 27 22:58:00 guarana sshd[19335]: Failed password for root from 218.12.174.4 port 51311 ssh2
Jul 27 22:58:04 guarana sshd[19338]: Failed password for root from 218.12.174.4 port 53197 ssh2
Jul 27 22:58:08 guarana sshd[19341]: Failed password for root from 218.12.174.4 port 54613 ssh2
Jul 27 22:58:12 guarana sshd[19344]: Failed password for root from 218.12.174.4 port 57221 ssh2
Jul 27 22:58:16 guarana sshd[19347]: Failed password for root from 218.12.174.4 port 59165 ssh2
Jul 27 22:58:20 guarana sshd[19350]: Failed password for root from 218.12.174.4 port 32844 ssh2
Jul 27 22:58:24 guarana sshd[19353]: Failed password for root from 218.12.174.4 port 34632 ssh2
Jul 27 22:58:28 guarana sshd[19356]: Failed password for root from 218.12.174.4 port 36831 ssh2
Jul 27 22:58:32 guarana sshd[19359]: Failed password for root from 218.12.174.4 port 38945 ssh2
Jul 27 22:58:36 guarana sshd[19362]: Failed password for root from 218.12.174.4 port 41174 ssh2