[keycloak-dev] Brute force attack protection

[Stian Thorgersen]

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 at redhat.com>
> To: "Stian Thorgersen" <stian at redhat.com>
> Cc: keycloak-dev at 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
>