Re: [keycloak-dev] Brute force attack protection
Another thing, if someone really want to brute-force a specific account and they have a
botnet of 100K+ machines, a simple sleep of a few seconds isn't going to stop them. I
think the only way of doing that is to lock the account after N attempts.
----- Original Message -----
From: "Stian Thorgersen" <stian(a)redhat.com>
To: "Bill Burke" <bburke(a)redhat.com>
Cc: keycloak-dev(a)lists.jboss.org
Sent: Monday, 17 March, 2014 2:13:13 PM
Subject: Re: [keycloak-dev] Brute force attack protection
For a single user yes. Is that a big problem though?
If you sleep on the server you'd be able to do a DoS on the whole server
(even if async) with a single machine.
----- Original Message -----
> From: "Bill Burke" <bburke(a)redhat.com>
> To: "Stian Thorgersen" <stian(a)redhat.com>
> Cc: keycloak-dev(a)lists.jboss.org
> Sent: Monday, 17 March, 2014 2:06:43 PM
> Subject: Re: [keycloak-dev] Brute force attack protection
>
>
>
> On 3/17/2014 9:54 AM, Stian Thorgersen wrote:
> > We could do the sleep on the client side. We'd set a flag on the account
> > saying it's disabled until some time in the future. If an account is
> > locked we can display a page that says wait N seconds (or something), and
> > after N seconds redirect redirect to login form using meta refresh.
> >
>
> This creates a very easy DoS opportunity.
>
>
> --
> Bill Burke
> JBoss, a division of Red Hat
> http://bill.burkecentral.com
>
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