You can check for open ntp servers within your AS with the following:- http://openntpproject.org/searchby-asn.cgi?search_asn=56595
Swap 56595 for your ASN :) Nick On 13 Feb 2014, at 02:12, SilverTip257 <[email protected]> wrote: > On Wed, Feb 12, 2014 at 2:36 PM, Alan Buxey <[email protected]> wrote: > >>> Something I can point customers to for testing their own set ups. ;) >> > > What I was trying to say is that openntp project URL is something I can > point customers at and they should understand. Some of my customers are > dense. > > Sadly, a few of them try to tell me that information I give them doesn't > work. But when they say "hey, here's my credentials, why don't you fix it > for me?" ... I come to find (yes, I'm a nice guy) that everything I sent > them was spot on (as I expected). > > Copy+paste is over-rated. o_O > > >> >> On a Linux or mac >> >> ntpdc -c monlist xxx.xxx.xxx.xxx >> > > Yep. And loopinfo and iostats commands. > > nmap has a ntp-monlist script that is helpful (combined with the grep-able > output option). > > I'm about due for running another ntp-monlist scan ... [when DNS > amplification attacks were real bad a few months ago, we told a customer to > disable DNS recursion ... he instead shut off bind/named for that day and > turned it back on some time later]. > > >> >> If you get a reply (which will consist of a list of IP addresses that have >> sync'd with the daemon) then the server has a non optimal config. ... and >> if it's already been found by others they will all be listed. .. You might >> even see openntp project and team cymru servers listed ;) >> >> Alan > > > > > -- > ---~~.~~--- > Mike > // SilverTip257 // > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ -- Nick Ryce Fluency Communications Ltd. e. [email protected] w. http://fluency.net.uk/ t. 0845 874 7000 _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
