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Re: [NETVAERK] Angreb på SSH



> Jeg ville gerne kunne bruge ssh-adgang til min server.
> Jeg har tidligere haft angreb på ssh og har derfor ikke brugt det
> et stykke tid.
> Nu har jeg så slået den til og det er seneste version.
> Men nu får jeg angreb igen.
> 
> Nov 28 10:40:19 www sshd[28721]: Failed password for root from 
> 211.189.39.241 port 41411 ssh2
> Nov 28 10:40:21 www sshd[28723]: Invalid user optic from
> 211.189.39.241 Nov 28 10:40:21 www sshd[28723]: error: Could not
> get shadow information for NOUSER
> Nov 28 10:40:21 www sshd[28723]: Failed password for invalid user
> optic from 211.189.39.241 port 41491 ssh2
> Nov 28 10:40:24 www sshd[28725]: Invalid user service from
> 211.189.39.241 Nov 28 10:40:24 www sshd[28725]: error: Could not
> get shadow information for NOUSER
> Nov 28 10:40:24 www sshd[28725]: Failed password for invalid user 
> service from 211.189.39.241 port 41577 ssh2
> Nov 28 10:40:27 www sshd[28727]: Invalid user admin from
> 211.189.39.241 Nov 28 10:40:27 www sshd[28727]: error: Could not
> get shadow information for NOUSER
> 
> Der har været ca 3000 forsøg siden igår,
> Hvad gør jeg, tror på at det er sikkert?

Tjaa...

Jeg har gjort som der står i "man sshd_config" under AllowUsers, og
så har jeg flyttet sshd til at lytte på en anden port. Så føler jeg
mig sikrere. :)

Mvh. Jesper


 
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