hack attempt on my server...What do you do about this?

John Dangler jdangler at atlantic.net
Sat Jul 17 19:53:55 UTC 2004


As a newbie to this myself, I'm curious to know where you found that
information (what logs).
Thanks for the information.

John Dangler
GenoFit
800-505-4078 (Corporate)
386-767-3730 (Direct)
www.genofit.com
jdangler at genofit.com


-----Original Message-----
From: fedora-list-bounces at redhat.com [mailto:fedora-list-bounces at redhat.com]
On Behalf Of Randy Kelsoe
Sent: Saturday, July 17, 2004 3:52 PM
To: For users of Fedora Core releases
Subject: Re: hack attempt on my server...What do you do about this?

Jonathan T. Steadman wrote:

>Sorry this is yet another lame question, but I am new to hosting web
>server ect. just kinda experimenting actually and in my logs i came
>across some garbage (its at the bottom of this email) what do you do
>about this?  Just let it be? inform ISP?  wait and see if it is more
>continuous?  dont know the proper thing to do i guess just making sure
>with you guys.
>
>Jul 17 14:42:24 localhost sshd[6746]: Illegal user test from
>130.120.81.14
>Jul 17 14:42:26 localhost sshd[6746]: Failed password for illegal user
>test from 130.120.81.14 port 48692 ssh2
>Jul 17 14:42:27 localhost sshd[6748]: Illegal user guest from
>130.120.81.14
>Jul 17 14:42:30 localhost sshd[6748]: Failed password for illegal user
>guest from 130.120.81.14 port 48753 ssh2
>  
>

Block the ip address at the firewall. If you have firestarter installed 
(http://firestarter.sourceforge.net/ ), run it, go to the rules section, 
double-click on 'Blocked Hosts' and enter the ip (130.120.81.14). Since 
this is coming in through the 'Universite Pierre et Marie Curie' in 
France, I would block their whole IP range. Double-click on 'Blocked 
Hosts' and enter 130.120.0.0/16, and it will block all access from that 
University.



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