I created my droplet 1 day ago, and since the first day I observed some weird activity. After I log in I get this message:
There were 452 failed login attempts since the last successful login. Last login: Mon Nov 10 15:20:01 2014 from 78.96.. (this is me)
If anyone could help me elucidate this situation or how could I block this. Is it a situation I should worry ?
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This is actually very common. You can’t stop everybody, but I’d recommend using Fail2Ban to deter them.