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Re: [NETVAERK] Angreb på SSH



Gert Holtoft wrote:
Tirsdag 29 november 2005 17:36 skrev Bjørn Fahnøe:

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?


Jeg har på min webserver (mandrake et eller andet) lukket helt af i hosts.deny og åbnet for specifikke ip.numre i hosts.allow
så var det slut med at se disse angrebsforsøg


mvh/gert
God idé , det gør jeg
Tak
Bjørn


 
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