[CentOS] Defending againts simultanious attacks

Kamill S mailinglist at vp.pl
Fri Feb 16 22:39:32 UTC 2007


Hello,

you can let listen sshd on Port 222 for example. Edit /etc/ssh/sshd_conf

In line  #Port 22

Greetz


Mohd Syakir wrote:
> Hi,
>
> i have one centos 4.3 box, exposed to the internet.
> since several weeks ago, i found numerous attemps to connect through
> SSH, but failed.
>
> they tried with many username, including root.
> it's comes from different IP. some of them are foreign website.
>
> How do i make my centos become smarter in handling this kind of attacks.
>
> eventhough i've disable all the user accounts, left only the admin
> accounts. making the password so hard, longer and combining alphabet,
> numbers and characters... yet i dont want the attackers keep on
> trying.
>
> any suggestions?
>
> thanks in advance.
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