Abuse Mail vom Provider erhalten.

#1
Hallo,

ich habe heute folgende Abuse mail von meinem Provider bekommen. Ich verstehe das log so, daß jemand von meinem Server aus versucht sich per ssh auf einem fremden Server anzumelden.

> Dear Sir/Madam,
>
> We have detected abuse from the IP address 80.241.214.159, which according to a whois lookup is on your network. We would appreciate if you would investigate and take action as appropriate.
>
> Log lines are given below, but please ask if you require any further information.
>
> (If you are not the correct person to contact about this please accept our apologies - your e-mail address was extracted from the whois record by an automated process. This mail was generated by Fail2Ban.)
>
> Note: Local timezone is +0200 (CEST)
> Sep 11 08:50:01 secgw sshd[31689]: Failed password for root from 80.241.214.159 port 53271 ssh2
> Sep 11 08:50:01 secgw sshd[31689]: Received disconnect from 80.241.214.159: 11: Bye Bye [preauth]
> Sep 11 08:50:05 secgw sshd[31691]: Failed password for root from 80.241.214.159 port 53439 ssh2
> Sep 11 08:50:05 secgw sshd[31691]: Received disconnect from 80.241.214.159: 11: Bye Bye [preauth]
> Sep 11 08:50:06 secgw sshd[31693]: Invalid user berton from 80.241.214.159
> Sep 11 08:50:07 secgw sshd[31693]: Failed password for invalid user berton from 80.241.214.159 port 53687 ssh2

Wie kann man feststellen was/wer dahinter steckt?

Gruß

Stefan
 

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