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Re: Question bruteforcing



On Mon, May 29, 2006 at 08:37:39PM -0400, CodeHeads wrote:
> On Tue, 30 May 2006 00:31:52 +0200 nightrid3r <03taxi gmail com> wrote:
> 
> > Op ma, 29-05-2006 te 17:03 -0500, schreef Mike C:
> > > What exactly is bruteforcing and is their away to stop it in fedora 
> > > without useing a router or firewall box?
> > > 
> > > Thanks for any help
> > > 
> > bruteforcing is an atack (useualy against the root account or a known
> > user name) where the attacker uses a password generator or dictionary to
> > test all possible paswords.
> > 
> > the only defence i know of is setting up your system so that iptables
> > deny's the attack source after a number of failed attempts.
> > Can't give further info cos i have no idea how to do it. (don't realy
> > understand iptables enough to do it)
> 
> 
> I know that there are shell scripts out there out automate putting the IP in
> the hosts.deny list.
> Here is something I found using google. It was the 1st hit.
> http://la-samhna.de/library/brutessh.html


DenyHosts does this too, and it's in Extras. :-)

# yum install denyhosts

Thanks,
Matt

-- 
Matt Domsch
Software Architect
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com


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