[CentOS] Re: Access Threshhold by IP -- WAS: Crashing Nameservers

[Bryan J. Smith]

> Seems I'm experiencing a DoS against vsftp login. Anybody
> got a good way to limit the number of failed login attempts
> by one IP address?

Portsentry is how I deal with this for services that are TCP
Wrapper enabled.  I believe every vsftpd build I've seen on
every distro is so enabled.



-- 
Bryan J. Smith     Professional, Technical Annoyance                      b.j.smith at ieee.org      http://thebs413.blogspot.com
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*** Speed doesn't kill, difference in speed does ***