pay.gov and IPv6
Mark Andrews
marka at isc.org
Sun Oct 26 21:16:43 UTC 2014
In message <CAFG21ohZ6MV6Tef_sWuwV6kmAZmHQ3nFRLq-FkdU38g=vL3nnQ at mail.gmail.com>
, Todd Lyons writes:
> On Sat, Oct 25, 2014 at 10:26 AM, Matthew Kaufman <matthew at matthew.at> wrote:
> >>
> >> Random IPv6 complaint of the day: redirects from FCC.gov to pay.gov fail
> >> when clients have IPv6 enabled. Work fine if IPv6 is off. One more set of
> > Still broken, 7 months later. And again, I was too busy trying to pay to tr
> y
> > to pull a full set of logs. But if you do something on the FCC site that
> > requires payment, the redirection flow dies halfway through if you're comin
> g
> > from IPv6 and works fine if you turn it off... so yet another computer in
> > the house has IPv6 disabled until manually turned back on.
>
> FWIW, eftps.gov is also unreachable via ipv6. I tried all of miredo,
> and my home Sixxs tunnel, and a HE tunnel from somewhere else. I used
> the 4or6 plugin to temporarily disable ipv6 and both sites loaded
> straight away.
If a site is unreachable your client should switch to IPv4 unless
a IPv6 literal has been used.
If your client take ages to switch over report a bug to the client
vendor.
It should not take ages to switch between multiple server addresses.
IPv4 + IPv6 is just a example of multiple server addresses.
> eftps.gov and pay.gov appear to be managed separately since both their
> ipv4 and ipv6 netblocks are not in the same netblocks, and my path to
> them is not the same:
>
> eftps.gov has IPv6 address 2620:10f:400e:a::13
> mtr to eftps.gov via Sixxs:
> Host Loss% Snt Last
> Avg Best Wrst StDev
> 1. 2604:8800:100:82bc:ddcb:ae62:e3da:c91f 0.0% 16 0.9
> 0.9 0.9 1.6 0.2
> 2. gw-701.chi-03.us.sixxs.net 0.0% 16 71.6
> 72.4 68.6 78.3 2.4
> 3. uschi03.sixxs.net 0.0% 16 70.2
> 71.8 69.2 78.8 2.4
> 4. 2620:0:6b0:a::1 0.0% 15 67.3
> 73.3 67.3 79.7 3.2
> 5. tge3-1.fr3.ord4.ipv6.llnw.net 0.0% 15 73.6
> 75.4 70.1 85.4 4.9
> 6. ve8.fr3.ord.ipv6.llnw.net 0.0% 15 73.5
> 79.7 72.9 90.4 5.7
> 7. 2600:805:41f::5 0.0% 15 104.4
> 81.9 74.2 104.4 9.0
> 8. 2600:806::12 0.0% 15 105.2
> 104.0 100.6 109.8 2.9
> 9. 2600:806:12f::2e 0.0% 15 134.5
> 135.7 131.4 147.4 4.1
> 10. 2620:10f:400e:1::4004 0.0% 15 161.5
> 145.9 131.5 163.8 9.9
> 11. ???
>
> pay.gov has IPv6 address 2605:3100:fffd:100::15
> mtr to pay.gov via Sixxs:
> Host Loss% Snt Last
> Avg Best Wrst StDev
> 1. 2604:8800:100:82bc:ddcb:ae62:e3da:c91f 0.0% 11 0.9
> 0.9 0.7 1.1 0.1
> 2. gw-701.chi-03.us.sixxs.net 0.0% 11 70.8
> 70.9 67.0 74.4 2.2
> 3. uschi03.sixxs.net 0.0% 11 73.7
> 73.7 69.8 90.1 5.6
> 4. 2620:0:6b0:a::1 0.0% 11 70.6
> 73.7 70.4 86.2 5.0
> 5. tge3-1.fr3.ord4.ipv6.llnw.net 0.0% 11 72.4
> 75.6 71.5 82.6 3.2
> 6. ve8.fr3.ord.ipv6.llnw.net 0.0% 11 76.1
> 79.3 74.7 87.9 4.0
> 7. tge32-3.fr3.dal.ipv6.llnw.net 0.0% 11 99.1
> 100.1 96.4 106.2 2.7
> 8. sl-st30-dal-te0-14-0-1.v6.sprintlink.net 0.0% 11 98.2
> 102.0 98.2 111.0 4.4
> 9. sl-crs1-fw-be40.v6.sprintlink.net 0.0% 11 99.5
> 100.5 96.2 105.5 2.5
> 10. sl-gw38-fw-po0-0.v6.sprintlink.net 0.0% 11 96.4
> 98.8 96.4 105.1 2.6
> 11. 2600:4:2000:4::9 0.0% 11 100.2
> 102.0 99.0 107.0 2.7
> 12. ???
>
> I was hoping an eftps.gov or pay.gov employee was casting an eye this
> way, but it doesn't look like anybody from there is subscribed to
> NANOG.
>
> ...Todd
> --
> The total budget at all receivers for solving senders' problems is $0.
> If you want them to accept your mail and manage it the way you want,
> send it the way the spec says to. --John Levine
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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