Recent reportsWe have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
2026-11-06T06:19:45.642927 ******* sshd[1023260]: Invalid user usuario from 81.56.131.88 port 7945
2026-11-06T06:19:45.891048 ******* sshd[1023260]: error: maximum authentication attempts exceeded for invalid user usuario from 81.56.131.88 port 7945 ...
show more2026-11-06T06:19:45.642927 ******* sshd[1023260]: Invalid user usuario from 81.56.131.88 port 7945
2026-11-06T06:19:45.891048 ******* sshd[1023260]: error: maximum authentication attempts exceeded for invalid user usuario from 81.56.131.88 port 7945 ssh2 [preauth]
2026-11-06T06:19:46.272152 ******* sshd[1023262]: Invalid user usuario from 81.56.131.88 port 5687
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Brute-Force
SSH
Anonymous
2026-11-06T05:09:50.913646+00:00 wp-app-13 sshd[1800955]: Invalid user test from 81.56.131.88 port 7991
2026-11-06T05:09:51.395197+00:00 wp-app-13 sshd[1800955]: error: maximum authentication attempts exceeded for invalid user test from 81.56.131.88 ...
show more2026-11-06T05:09:50.913646+00:00 wp-app-13 sshd[1800955]: Invalid user test from 81.56.131.88 port 7991
2026-11-06T05:09:51.395197+00:00 wp-app-13 sshd[1800955]: error: maximum authentication attempts exceeded for invalid user test from 81.56.131.88 port 7991 ssh2 [preauth]
2026-11-06T05:09:51.913029+00:00 wp-app-13 sshd[1800957]: Invalid user test from 81.56.131.88 port 1797
2026-11-06T05:09:52.262229+00:00 wp-app-13 sshd[1800957]: error: maximum authentication attempts exceeded for invalid user test from 81.56.131.88 port 1797 ssh2 [preauth]
2026-11-06T05:09:52.763930+00:00 wp-app-13 sshd[1800959]: Invalid user test from 81.56.131.88 port 4486
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Abuse detected by fail2ban (sshd): repeated failed authentication or attack pattern. Reported by bantower.
Brute-Force
SSH
Anonymous
2026-11-06T04:01:35.172770+01:00 v1 sshd-session[3892909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.56.131.88
2026-11-06T04:01:36.967803+01:00 v1 sshd-session[3892909]: Failed password for invalid use ...
show more2026-11-06T04:01:35.172770+01:00 v1 sshd-session[3892909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.56.131.88
2026-11-06T04:01:36.967803+01:00 v1 sshd-session[3892909]: Failed password for invalid user test1 from 81.56.131.88 port 7519 ssh2
2026-11-06T04:01:39.789715+01:00 v1 sshd-session[3892909]: Failed password for invalid user test1 from 81.56.131.88 port 7519 ssh2
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2026-11-06T03:37:46.757404+01:00 dolores sshd[2354357]: Invalid user ftpuser from 81.56.131.88 port 1713
2026-11-06T03:37:47.063361+01:00 dolores sshd[2354357]: error: maximum authentication attempts exceeded for invalid user ftpuser from 81.56.131.8 ...
show more2026-11-06T03:37:46.757404+01:00 dolores sshd[2354357]: Invalid user ftpuser from 81.56.131.88 port 1713
2026-11-06T03:37:47.063361+01:00 dolores sshd[2354357]: error: maximum authentication attempts exceeded for invalid user ftpuser from 81.56.131.88 port 1713 ssh2 [preauth]
2026-11-06T03:37:47.707080+01:00 dolores sshd[2354359]: Invalid user ftpuser from 81.56.131.88 port 3538
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2026-11-06T03:35:03.336958+01:00 epyc02 sshd-session[426777]: error: maximum authentication attempts exceeded for invalid user ubuntu from 81.56.131.88 port 6598 ssh2 [preauth]
2026-11-06T03:35:03.427631+01:00 epyc02 sshd-session[426779]: Connection ...
show more2026-11-06T03:35:03.336958+01:00 epyc02 sshd-session[426777]: error: maximum authentication attempts exceeded for invalid user ubuntu from 81.56.131.88 port 6598 ssh2 [preauth]
2026-11-06T03:35:03.427631+01:00 epyc02 sshd-session[426779]: Connection from 81.56.131.88 port 3268 on 5.231.248.233 port 22 rdomain ""
2026-11-06T03:35:03.696224+01:00 epyc02 sshd-session[426779]: Invalid user ubuntu from 81.56.131.88 port 3268
2026-11-06T03:35:03.800119+01:00 epyc02 sshd-session[426779]: error: maximum authentication attempts exceeded for invalid user ubuntu from 81.56.131.88 port 3268 ssh2 [preauth]
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Nov 5 21:10:48 vps-1 sshd-session[342363]: Invalid user admin from 81.56.131.88 port 3851
Nov 5 21:10:49 vps-1 sshd-session[342363]: error: maximum authentication attempts exceeded for invalid user admin from 81.56.131.88 port 3851 ssh2 [preauth]
N ...
show moreNov 5 21:10:48 vps-1 sshd-session[342363]: Invalid user admin from 81.56.131.88 port 3851
Nov 5 21:10:49 vps-1 sshd-session[342363]: error: maximum authentication attempts exceeded for invalid user admin from 81.56.131.88 port 3851 ssh2 [preauth]
Nov 5 21:10:50 vps-1 sshd-session[342365]: Invalid user admin from 81.56.131.88 port 6566
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Brute-Force
SSH
Anonymous
SSH brute force attempt. User: user, Pass: [REDACTED]
siena1:
2026-11-06T01:58:06Z authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.56.131.88
2026-11-06T01:58:09Z Failed password for invalid user pi
2026-11-06T01:58:12Z Failed password for invalid user pi
2026-11-06T01:58:15Z Failed ...
show moresiena1:
2026-11-06T01:58:06Z authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.56.131.88
2026-11-06T01:58:09Z Failed password for invalid user pi
2026-11-06T01:58:12Z Failed password for invalid user pi
2026-11-06T01:58:15Z Failed password for invalid user pi
2026-11-06T01:58:17Z Failed password for invalid user pi
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