Aug 7 07:01:54 mx2 sshd[3550377]: Disconnected from authenticating user root 36.104.147.6 port 3912 ...
show moreAug 7 07:01:54 mx2 sshd[3550377]: Disconnected from authenticating user root 36.104.147.6 port 39122 [preauth]
Aug 7 07:04:19 mx2 sshd[3550624]: Invalid user minnie from 36.104.147.6 port 37516
Aug 7 07:04:20 mx2 sshd[3550624]: Disconnected from invalid user minnie 36.104.147.6 port 37516 [preauth]
Aug 7 07:15:48 mx2 sshd[3551836]: Disconnected from authenticating user root 36.104.147.6 port 58338 [preauth]
Aug 7 07:30:36 mx2 sshd[3553405]: Connection closed by 36.104.147.6 port 49070 [preauth]
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2026-08-07T07:12:50.706310zabbix.nupef.org.br sshd[4173080]: Connection closed by authenticating use ...
show more2026-08-07T07:12:50.706310zabbix.nupef.org.br sshd[4173080]: Connection closed by authenticating user root 222.89.138.40 port 6721 [preauth]
2026-08-07T07:16:01.059818zabbix.nupef.org.br sshd[4173251]: Connection closed by authenticating user root 222.89.138.40 port 33147 [preauth]
2026-08-07T07:16:03.312125zabbix.nupef.org.br sshd[4173335]: Connection closed by authenticating user root 222.89.138.40 port 53174 [preauth]
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2026-08-07T05:45:42.030088zabbix.nupef.org.br sshd[4159779]: Disconnected from authenticating user r ...
show more2026-08-07T05:45:42.030088zabbix.nupef.org.br sshd[4159779]: Disconnected from authenticating user root 5.253.59.68 port 36502 [preauth]
2026-08-07T05:49:55.069247zabbix.nupef.org.br sshd[4160098]: Invalid user md from 5.253.59.68 port 33608
2026-08-07T05:49:55.295328zabbix.nupef.org.br sshd[4160098]: Disconnected from invalid user md 5.253.59.68 port 33608 [preauth]
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2026-08-07T04:19:49.183959zabbix.nupef.org.br sshd[4152951]: Disconnected from authenticating user r ...
show more2026-08-07T04:19:49.183959zabbix.nupef.org.br sshd[4152951]: Disconnected from authenticating user root 171.25.158.70 port 59972 [preauth]
2026-08-07T04:25:25.385107zabbix.nupef.org.br sshd[4153378]: Invalid user customer from 171.25.158.70 port 41448
2026-08-07T04:25:25.797481zabbix.nupef.org.br sshd[4153378]: Disconnected from invalid user customer 171.25.158.70 port 41448 [preauth]
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Aug 7 03:52:20 mx2 sshd[3523753]: Invalid user itadmin from 14.103.41.249 port 42302
Aug 7 03:52:2 ...
show moreAug 7 03:52:20 mx2 sshd[3523753]: Invalid user itadmin from 14.103.41.249 port 42302
Aug 7 03:52:20 mx2 sshd[3523753]: Disconnected from invalid user itadmin 14.103.41.249 port 42302 [preauth]
Aug 7 04:10:35 mx2 sshd[3525760]: Disconnected from authenticating user root 14.103.41.249 port 38714 [preauth]
Aug 7 04:15:47 mx2 sshd[3526168]: Connection closed by 14.103.41.249 port 42228 [preauth]
Aug 7 04:22:46 mx2 sshd[3526951]: Invalid user test from 14.103.41.249 port 40428
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Aug 7 03:16:39 mx2 sshd[3519835]: Invalid user ubuntu from 152.42.143.147 port 36312
Aug 7 03:16:4 ...
show moreAug 7 03:16:39 mx2 sshd[3519835]: Invalid user ubuntu from 152.42.143.147 port 36312
Aug 7 03:16:40 mx2 sshd[3519835]: Connection closed by invalid user ubuntu 152.42.143.147 port 36312 [preauth]
Aug 7 03:40:56 mx2 sshd[3522279]: Invalid user ubuntu from 152.42.143.147 port 36944
Aug 7 03:40:56 mx2 sshd[3522279]: Connection closed by invalid user ubuntu 152.42.143.147 port 36944 [preauth]
Aug 7 04:05:50 mx2 sshd[3525184]: Invalid user ubuntu from 152.42.143.147 port 34306
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2026-08-07T02:37:13.364698zabbix.nupef.org.br sshd[4144903]: Connection closed by authenticating use ...
show more2026-08-07T02:37:13.364698zabbix.nupef.org.br sshd[4144903]: Connection closed by authenticating user root 181.233.191.41 port 32846 [preauth]
2026-08-07T02:41:57.535868zabbix.nupef.org.br sshd[4145320]: Connection closed by authenticating user root 181.233.191.41 port 46764 [preauth]
2026-08-07T02:46:53.426961zabbix.nupef.org.br sshd[4145753]: Connection closed by authenticating user root 181.233.191.41 port 45660 [preauth]
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2026-08-07T02:44:06.305565zabbix.nupef.org.br sshd[4145518]: Unable to negotiate with 104.155.37.231 ...
show more2026-08-07T02:44:06.305565zabbix.nupef.org.br sshd[4145518]: Unable to negotiate with 104.155.37.231 port 34618: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1 [preauth]
2026-08-07T02:44:08.610882zabbix.nupef.org.br sshd[4145523]: Unable to negotiate with 104.155.37.231 port 34642: no matching host key type found. Their offer: ssh-dss [preauth]
2026-08-07T02:44:09.228232zabbix.nupef.org.br sshd[4145525]: Unable to negotiate with 104.155.37.231 port 34654: no matching host key type found. Their offer: ssh-rsa [preauth]
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2026-08-07T02:43:40.298858zabbix.nupef.org.br sshd[4145462]: Invalid user admin from 35.241.181.19 p ...
show more2026-08-07T02:43:40.298858zabbix.nupef.org.br sshd[4145462]: Invalid user admin from 35.241.181.19 port 11868
2026-08-07T02:43:40.497058zabbix.nupef.org.br sshd[4145462]: Connection closed by invalid user admin 35.241.181.19 port 11868 [preauth]
2026-08-07T02:43:46.141547zabbix.nupef.org.br sshd[4145460]: Connection closed by 35.241.181.19 port 11852 [preauth]
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Aug 7 01:52:23 mx2 sshd[3511371]: Connection closed by authenticating user root 154.210.208.250 por ...
show moreAug 7 01:52:23 mx2 sshd[3511371]: Connection closed by authenticating user root 154.210.208.250 port 49380 [preauth]
Aug 7 01:52:26 mx2 sshd[3511375]: Connection closed by authenticating user root 154.210.208.250 port 49382 [preauth]
Aug 7 01:52:29 mx2 sshd[3511377]: Connection closed by authenticating user root 154.210.208.250 port 49388 [preauth]
Aug 7 01:52:31 mx2 sshd[3511379]: Connection closed by authenticating user root 154.210.208.250 port 52120 [preauth]
Aug 7 01:52:34 mx2 sshd[3511381]: Connection closed by authenticating user root 154.210.208.250 port 52126 [preauth]
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Aug 7 00:25:22 mx2 sshd[3502248]: Invalid user ubuntu from 159.65.94.135 port 36514
Aug 7 00:25:22 ...
show moreAug 7 00:25:22 mx2 sshd[3502248]: Invalid user ubuntu from 159.65.94.135 port 36514
Aug 7 00:25:22 mx2 sshd[3502248]: Connection closed by invalid user ubuntu 159.65.94.135 port 36514 [preauth]
Aug 7 00:49:15 mx2 sshd[3504599]: Invalid user ubuntu from 159.65.94.135 port 56582
Aug 7 00:49:15 mx2 sshd[3504599]: Connection closed by invalid user ubuntu 159.65.94.135 port 56582 [preauth]
Aug 7 01:12:04 mx2 sshd[3506853]: Invalid user ubuntu from 159.65.94.135 port 48090
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Aug 7 00:11:09 mx2 sshd[3500900]: Invalid user testuser from 181.23.34.103 port 58270
Aug 7 00:11: ...
show moreAug 7 00:11:09 mx2 sshd[3500900]: Invalid user testuser from 181.23.34.103 port 58270
Aug 7 00:11:09 mx2 sshd[3500900]: Disconnected from invalid user testuser 181.23.34.103 port 58270 [preauth]
Aug 7 00:16:47 mx2 sshd[3501399]: Invalid user poi from 181.23.34.103 port 48661
Aug 7 00:16:47 mx2 sshd[3501399]: Disconnected from invalid user poi 181.23.34.103 port 48661 [preauth]
Aug 7 00:22:02 mx2 sshd[3501944]: Invalid user lobo from 181.23.34.103 port 35704
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2026-08-06T23:26:02.492829zabbix.nupef.org.br sshd[4129852]: Disconnected from authenticating user r ...
show more2026-08-06T23:26:02.492829zabbix.nupef.org.br sshd[4129852]: Disconnected from authenticating user root 20.193.141.133 port 20974 [preauth]
2026-08-06T23:32:53.896495zabbix.nupef.org.br sshd[4130364]: Invalid user ruser from 20.193.141.133 port 61445
2026-08-06T23:32:54.255458zabbix.nupef.org.br sshd[4130364]: Disconnected from invalid user ruser 20.193.141.133 port 61445 [preauth]
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Brute-ForceSSH
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