search for: counterattack

> On Feb 4, 2015, at 5:43 PM, Warren Young <wyml at etr-usa.com> wrote: > > SSH as shipped on CentOS doesn?t allow 1,000 guesses per second, as this calculator assumes Hmm, just thought of a counterattack: If CentOS?s SSH currently allows 10 guesses per minute *per IP*, all you need to do to get 1,000 guesses per second is to rent time on a 6,000 machine botnet.

On Wed, 2015-02-04 at 17:50 -0700, Warren Young wrote: > > On Feb 4, 2015, at 5:43 PM, Warren Young <wyml at etr-usa.com> wrote: > > > > SSH as shipped on CentOS doesn?t allow 1,000 guesses per second, as this calculator assumes > > Hmm, just thought of a counterattack: > > If CentOS?s SSH currently allows 10 guesses per minute *per IP*, all you need to do to get 1,000 guesses per second is to rent time on a 6,000 machine botnet. Rent ? That costs money. Just crack open some Windoze machines and do it for free. That is what many hackers do. Is this saf...

On 5 February 2015 at 10:36, Warren Young <wyml at etr-usa.com> wrote: > When the hashes are properly salted, the only option is brute force. All having /etc/shadow does for you is let you make billions of guesses per second instead of 5 guesses per minute, as you get with proper throttling on remote login avenues. Kinda highlights that 'time' is important here. Booting into a

Ladies and Gentlemen, I have been trying to sort out a nasty kernel oops for which I would like to ask for some advice. I don't actually think that this is a nut problem, although it is triggered by upsdrvctl or usbhid-ups. I rather suspect the USB library or the associated kernel code. Here is the configuration information: * system: Centos-5.5 * kernel: 2.6.18-194.32.1.el5, latest vanilla