Proba dostania sie przez SSH

[Pagi <pagi@interia.pl>]

Witam,

W logach zauwazylem cos takiego (fragment)

Sep  6 18:03:08 listonosz sshd[25747]: Failed password for illegal user 12345 from 209.250.150.73 port 50173 ssh2
Sep  6 18:03:09 listonosz sshd[13808]: Illegal user 1234 from 209.250.150.73
Sep  6 18:03:09 listonosz sshd[13808]: error: Could not get shadow information for NOUSER
Sep  6 18:03:09 listonosz sshd[13808]: Failed password for illegal user 1234 from 209.250.150.73 port 50247 ssh2
Sep  6 18:03:11 listonosz sshd[10093]: Failed password for root from 209.250.150.73 port 50329 ssh2
Sep  6 18:03:13 listonosz sshd[28184]: Failed password for root from 209.250.150.73 port 50396 ssh2
Sep  6 18:03:15 listonosz sshd[4721]: Illegal user delli from 209.250.150.73
Sep  6 18:03:15 listonosz sshd[4721]: error: Could not get shadow information for NOUSER
Sep  6 18:03:15 listonosz sshd[4721]: Failed password for illegal user delli from 209.250.150.73 port 50481 ssh2
Sep  6 18:03:16 listonosz sshd[29819]: Illegal user resconi from 209.250.150.73
Sep  6 18:03:16 listonosz sshd[29819]: error: Could not get shadow information for NOUSER
Sep  6 18:03:16 listonosz sshd[29819]: Failed password for illegal user resconi from 209.250.150.73 port 50539 ssh2
Sep  6 18:03:18 listonosz sshd[3670]: Illegal user boschini from 209.250.150.73
Sep  6 18:03:18 listonosz sshd[3670]: error: Could not get shadow information for NOUSER

Jest tego duuuuzo wiecej...
Jak wnioskuje, ktos probowal metoda chybil/trafil dostac sie na maszyne. Z tego co przejzalem logi to sie nie udalo, ale czy da sie temu jakos zaradzic?

Pozdrawiam,
Pagi

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