attack on my server

[Martin Duclos]

Hi,
I've had a number of unauthorized attempts to gain access to my server as I 
can see from the log files.

Aug 27 02:19:50 billy sshd(pam_unix)[9375]: authentication failure; logname= 
uid=0 euid=0 tty=ssh ruser= rhost=125.65.113.134

Aug 27 02:32:42 billy sshd(pam_unix)[9637]: authentication failure; logname= 
uid=0 euid=0 tty=ssh ruser= rhost=59-106-23-199.r-bl100.sakura.ne.jp

I'm not convinced the isp will actually do something about it. How would one 
proceed to keep those users off my box? I was thinking of just blocking 
those particular networks but I'm worried of blocking too many poeple.

Is there a way to address this properly?

Thanks
Martin

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