Fail2Ban automatic report:
SSH suspicious user names:
Sep 15 12:29:35 serw sshd[1143551]: Connection ...
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SSH suspicious user names:
Sep 15 12:29:35 serw sshd[1143551]: Connection closed by invalid user test 128.199.75.123 port 39802 [preauth]
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Fail2Ban automatic report:
SSH suspicious user names:
Sep 15 12:28:39 serw sshd[1143228]: Connection ...
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SSH suspicious user names:
Sep 15 12:28:39 serw sshd[1143228]: Connection closed by invalid user ubuntu 190.96.68.52 port 42102 [preauth]
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Fail2Ban automatic report:
SSH suspicious user names:
Sep 15 12:27:18 serw sshd[1142651]: Connection ...
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SSH suspicious user names:
Sep 15 12:27:18 serw sshd[1142651]: Connection closed by invalid user ubuntu 92.39.66.226 port 40240 [preauth]
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Fail2Ban automatic report:
SSH suspicious user names:
Sep 15 12:26:06 serw sshd[1142200]: Connection ...
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SSH suspicious user names:
Sep 15 12:26:06 serw sshd[1142200]: Connection closed by invalid user ubuntu 195.201.244.247 port 42098 [preauth]
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Fail2Ban automatic report:
SSH brute-force:
Sep 15 08:18:00 serw sshd[1139213]: Invalid user profess ...
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SSH brute-force:
Sep 15 08:18:00 serw sshd[1139213]: Invalid user professor from 210.187.129.4 port 38112
Sep 15 08:18:00 serw sshd[1139213]: Disconnected from invalid user professor 210.187.129.4 port 38112 [preauth]
Sep 15 08:26:07 serw sshd[1139272]: Disconnected from authenticating user root 210.187.129.4 port 40304 [preauth]
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Fail2Ban automatic report:
SSH brute-force:
Sep 15 06:23:40 serw sshd[1137667]: Invalid user db2fenc ...
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SSH brute-force:
Sep 15 06:23:40 serw sshd[1137667]: Invalid user db2fenc1 from 107.189.28.96 port 43238
Sep 15 06:23:40 serw sshd[1137667]: Disconnected from invalid user db2fenc1 107.189.28.96 port 43238 [preauth]
Sep 15 06:28:54 serw sshd[1137844]: Invalid user vinicius from 107.189.28.96 port 38820
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Fail2Ban automatic report:
SSH brute-force:
Sep 15 06:13:55 serw sshd[1137527]: Unable to negotiate ...
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SSH brute-force:
Sep 15 06:13:55 serw sshd[1137527]: Unable to negotiate with 34.38.205.106 port 19714: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1 [preauth]
Sep 15 06:13:57 serw sshd[1137551]: Invalid user dfugs from 34.38.205.106 port 19732
Sep 15 06:13:57 serw sshd[1137551]: Connection closed by invalid user dfugs 34.38.205.106 port 19732 [preauth]
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Fail2Ban automatic report:
SSH suspicious user names:
Sep 15 06:13:50 serw sshd[1137484]: Connection ...
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SSH suspicious user names:
Sep 15 06:13:50 serw sshd[1137484]: Connection closed by invalid user admin 130.211.109.218 port 44192 [preauth]
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Fail2Ban automatic report:
SSH brute-force:
Sep 15 03:29:23 serw sshd[1134971]: Invalid user oracle ...
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SSH brute-force:
Sep 15 03:29:23 serw sshd[1134971]: Invalid user oracle from 89.109.4.236 port 54760
Sep 15 03:29:23 serw sshd[1134971]: Disconnected from invalid user oracle 89.109.4.236 port 54760 [preauth]
Sep 15 03:35:47 serw sshd[1135017]: Invalid user james from 89.109.4.236 port 54874
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Fail2Ban automatic report:
SSH suspicious user names:
Sep 15 02:39:08 serw sshd[1134451]: Connection ...
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SSH suspicious user names:
Sep 15 02:39:08 serw sshd[1134451]: Connection closed by invalid user admin 138.226.239.234 port 22540 [preauth]
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Fail2Ban automatic report:
Multiple forbidden requests in short amount of time:
23.234.84.28 - - [15 ...
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Multiple forbidden requests in short amount of time:
23.234.84.28 - - [15/Sep/2026:01:46:07 +0200] "GET / HTTP/2.0" 403 153 "-" "Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.1" "-"
23.234.84.28 - - [15/Sep/2026:01:46:07 +0200] "GET /.env HTTP/2.0" 403 153 "-" "Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.1" "-"
23.234.84.28 - - [15/Sep/2026:01:46:07 +0200] "GET /.env.production HTTP/2.0" 403 153 "-" "Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.1" "-"
23.234.84.28 - - [15/Sep/2026:01:46:07 +0200] "GET /.env.local HTTP/2.0" 403 153 "-" "Mozilla/5.0
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Fail2Ban automatic report:
SSH brute-force:
Sep 14 23:43:46 serw sshd[1132452]: error: maximum authe ...
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SSH brute-force:
Sep 14 23:43:46 serw sshd[1132452]: error: maximum authentication attempts exceeded for root from 95.220.205.33 port 46988 ssh2 [preauth]
Sep 14 23:43:49 serw sshd[1132454]: error: maximum authentication attempts exceeded for root from 95.220.205.33 port 47134 ssh2 [preauth]
Sep 14 23:43:52 serw sshd[1132456]: error: maximum authentication attempts exceeded for root from 95.220.205.33 port 47328 ssh2 [preauth]
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Fail2Ban automatic report:
SSH brute-force:
Sep 14 23:26:39 serw sshd[1132214]: Invalid user valheim ...
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SSH brute-force:
Sep 14 23:26:39 serw sshd[1132214]: Invalid user valheim from 110.38.234.222 port 51232
Sep 14 23:26:39 serw sshd[1132214]: Disconnected from invalid user valheim 110.38.234.222 port 51232 [preauth]
Sep 14 23:33:41 serw sshd[1132264]: Disconnected from authenticating user root 110.38.234.222 port 33900 [preauth]
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Fail2Ban automatic report:
SSH brute-force:
Sep 14 22:12:38 serw sshd[1131375]: Invalid user crypto ...
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SSH brute-force:
Sep 14 22:12:38 serw sshd[1131375]: Invalid user crypto from 114.9.97.2 port 50608
Sep 14 22:12:38 serw sshd[1131375]: Connection closed by invalid user crypto 114.9.97.2 port 50608 [preauth]
Sep 14 22:39:21 serw sshd[1131768]: Invalid user exchange from 114.9.97.2 port 41050
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Brute-ForceSSH
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