nanog mailing list archives
Re: TWC (AS11351) blocking all NTP?
From: Glen Turner <gdt () gdt id au>
Date: Tue, 4 Feb 2014 11:10:35 +1030
On 4 Feb 2014, at 9:28 am, Christopher Morrow <morrowc.lists () gmail com> wrote:
wait, so the whole of the thread is about stopping participants in the attack, and you're suggesting that removing/changing end-system switch/routing gear and doing something more complex than: deny udp any 123 any deny udp any 123 any 123 permit ip any any
Which just pushes NTP to some other port, making control harder. We’ve already pushed all ‘interesting' traffic to port 80 on TCP, which has made traffic control very expensive. Let’s not repeat that history. -- Glen Turner <http://www.gdt.id.au/~gdt/>
Current thread:
- Re: TWC (AS11351) blocking all NTP?, (continued)
- Re: TWC (AS11351) blocking all NTP? Dobbins, Roland (Feb 02)
- Re: TWC (AS11351) blocking all NTP? Stephane Bortzmeyer (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Dobbins, Roland (Feb 03)
- Re: TWC (AS11351) blocking all NTP? John Kristoff (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Peter Phaal (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Christopher Morrow (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Peter Phaal (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Christopher Morrow (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Peter Phaal (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Christopher Morrow (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Glen Turner (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Christopher Morrow (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Jay Ashworth (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Peter Phaal (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Christopher Morrow (Feb 03)
- Re: TWC (AS11351) blocking all NTP? Laszlo Hanyecz (Feb 04)
- Re: TWC (AS11351) blocking all NTP? William Herrin (Feb 04)
- Re: TWC (AS11351) blocking all NTP? Christopher Morrow (Feb 04)
- Re: TWC (AS11351) blocking all NTP? Laszlo Hanyecz (Feb 04)
- Re: TWC (AS11351) blocking all NTP? William Herrin (Feb 04)
- Re: TWC (AS11351) blocking all NTP? Dobbins, Roland (Feb 03)