[fail2ban Auto Report] Port scan detected from 51.79.237.144
Port Scan
Anonymous
2023-09-22 00:16:52 SMTP protocol synchronization error \(input sent without waiting for greeting\): ...
show more2023-09-22 00:16:52 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\005\001"
2023-09-22 00:16:57 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\004\001"
2023-09-22 00:23:00 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\005\001"
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2023-09-14 03:09:58 SMTP protocol synchronization error \(input sent without waiting for greeting\): ...
show more2023-09-14 03:09:58 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\005\001"
2023-09-14 03:09:59 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\005\001"
2023-09-14 03:10:04 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\004\001"
2023-09-14 03:10:04 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\004\001"
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Brute-Force
Anonymous
Sep 6 10:08:24 mail.eduneu.ar KerioConnect ๏ปฟ Administration: Protocol violation: network error, cli ...
show moreSep 6 10:08:24 mail.eduneu.ar KerioConnect ๏ปฟ Administration: Protocol violation: network error, client failure, wrong client or client doesn't trust us. Peer was connected from 51.79.237.144:57279 to 0.0.0.0:0. Session with ID 5 not established.
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[fail2ban Auto Report] Port scan detected from 51.79.237.144
Port Scan
Anonymous
2023-09-05 00:37:31 SMTP protocol synchronization error \(input sent without waiting for greeting\): ...
show more2023-09-05 00:37:31 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\005\001"
2023-09-05 00:37:37 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\004\001"
2023-09-05 00:40:14 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=ip144.ip-51-79-237.net \[51.79.237.144\] input="\005\001"
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Aug 30 04:54:22 server sshd[2547]: Did not receive identification string from 51.79.237.144 port 532 ...
show moreAug 30 04:54:22 server sshd[2547]: Did not receive identification string from 51.79.237.144 port 53245
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Aug 22 21:50:50 hokage sshd[3157382]: refused connect from 51.79.237.144 (51.79.237.144)
Aug 22 21:5 ...
show moreAug 22 21:50:50 hokage sshd[3157382]: refused connect from 51.79.237.144 (51.79.237.144)
Aug 22 21:50:50 hokage sshd[3157383]: refused connect from 51.79.237.144 (51.79.237.144)
Aug 22 21:50:55 hokage sshd[3157384]: refused connect from 51.79.237.144 (51.79.237.144)
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