Homelab

380 readers

9 users here now

Rules

Be Civil.
Post about your homelab, discussion of your homelab, questions you may have, or general discussion about transition your skill from the homelab to the workplace.
No memes or potato images.
We love detailed homelab builds, especially network diagrams!
Report any posts that you feel should be brought to our attention.
Please no shitposting or blogspam.
No Referral Linking.
Keep piracy discussion off of this community

founded 1 year ago

MODERATORS

[email protected]

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

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 1 points 11 months ago (1 children)

As long as you're running fail2ban there's no harm in it. Without exception you should disable root login, and ideally you should disable password login and just use keys.

[–] [email protected] 1 points 11 months ago (1 children)

Fail2ban does all of nothing to protect you. At best it keeps the noise in the logs down a bit.

Competent attackers tend to use a botnet, blocking and rate limiting does jack shit against 10,000 IPs.

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

When I ran fail2ban, I modified the action to ban a much larger subnet instead of just one IP. I also banned it for 24 hours. Now I run OPNsense with geo blocking and just ignore the logs. It's just noise.