nanog mailing list archives
Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE
From: Hank Nussbacher <hank () efes iucc ac il>
Date: Mon, 2 Apr 2018 19:34:18 +0300
On 02/04/2018 18:35, Simon Lockhart wrote:
On Mon Apr 02, 2018 at 11:17:47AM -0400, John Levine wrote:So it's routed deliberately but it sure looks like an experiment. There's way too much equipment that treats 1.1.1.1 as magic for it to work reliably. Captive portals tend to use that address for the host you contact to log out.Quite. This looks like a willy-waving exercise by Cloudflare coming up with the lowest quad-digit IP. They must have known that this would cause routing issues, and now suddenly it's our responsibility to make significant changes to live infrastructures just so they can continue to look clever with the IP address. Simon
Perhaps they are running all this to shake out exactly these type of issues? I think that is exactly why APNIC research is called for. -Hank
Current thread:
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE, (continued)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Seth Mattinen (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE David Conrad (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Seth Mattinen (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Mark Andrews (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Seth Mattinen (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE nop (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE John R. Levine (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Alan Buxey (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE James R Cutler (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Mike Hammett (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Hank Nussbacher (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Florian Weimer (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Brielle Bruns (Apr 02)
- UBNT Security was Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Mike Hammett (Apr 02)
- Re: UBNT Security was Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Brielle Bruns (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Rhys Williams (Apr 03)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Stephen Satchell (Apr 03)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Justin Wilson (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Jason Kuehl (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Matt Hoppes (Apr 02)
- Re: Cloudflare 1.1.1.1 public DNS broken w/ AT&T CPE Jason Kuehl (Apr 02)