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Burst of SSH attacks, why? (alien.top)

submitted 11 months ago by [email protected] to c/[email protected]

24 comments fedilink hide all child comments

Looks like i was quite lucky. At the moment, i was looking at the server notifications and fail2ban started screaming.

Almost 30 different IP addresses were blocked for ssh attack. And the locations are all around the world.

It was a server exposed online via some subdomain. Some ports were open, including 22. Is this something to be expected always?

What do the guy expect?

Does it make sense to report this to DigitalOcean as several of those IPs belong to DO?

https://preview.redd.it/a8hlok99q71c1.png?width=795&format=png&auto=webp&s=4a95b1732afc3c295e0d9ac46e0f3b96ff1be7d6

https://preview.redd.it/dmqscgxcq71c1.png?width=1041&format=png&auto=webp&s=48b6dc14eb8d267510437085717f58fbc880a972

118.45.151.148
125.91.123.149
43.134.180.30
128.199.208.187
43.133.33.240
43.163.218.44
43.156.238.11
129.226.91.96
43.156.240.201
43.134.33.175
43.153.226.222
43.134.231.46
43.154.189.227
159.223.74.41
156.232.11.117
156.232.13.213
43.134.132.76
43.153.202.243
43.134.230.140
43.156.101.180
64.227.176.121
43.159.40.202
124.156.2.182
146.190.142.125
139.59.160.73
49.51.183.1
68.168.132.152
94.72.4.20
103.180.149.5

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[–] [email protected] 1 points 11 months ago

That‘s normal. There are countless bot nets that scan every public available IP to hijack. Using fail2ban is already a good approach. I personally switched to crowdsec a while ago as it comes with a crowdsourced blacklist which will silence a lot of the common noise and only occasionally I get an Alarm about an IP address not already on the default list.