On Thursday, December 29, 2011 12:33:41 PM Ljubomir Ljubojevic wrote: > If you use denyhosts or fail2ban, attacker needs 10,000 attack PC's that > never attacked any denyhosts or fail2ban server in recent time. That would be a very small botnet. And with gamers out there with CUDA-capable GPU's getting botted...... The scale of the botnets doing brute-forcing (among other nefariousness) should never be underestimated. In addition to fail2ban, simple user-based login timeouts and lockouts can be used that survive botnet brute-forcing, but are DoS sitting ducks because of it. Security is a hard problem. There is no magic bullet. Recent news should show that.... _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos