[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Port 123 and ipv6



On Tue, Jan 28, 2014 at 01:43:17PM +0800, lina wrote:
> Hi,
> 
> I read something online, and wonder:
> 1] shall I close the port 123
> 2] disable ipv6
> 
> Shall I follow the advice from https://wiki.debian.org/DebianIPv6 to
> turn off the ipv6 in wheezy as in squeeze,
> 
> Thanks,
> 


STOP NTP!
ntpd is currently abused as a DDOS attack vector.
If your ntpd responds to ntpdc -n -c monlst <IP of ntpd>
you have to disable the monitor function (at least).

-H


-- 
Henning Follmann           | hfollmann@itcfollmann.com


Reply to: