pay.gov and IPv6

Mon Oct 27 01:39:44 UTC 2014

This is why I need to pull logs the next time I need to pay the FCC. There are several rounds of redirects involved from clicking the payment button on the FCC site to the final landing at pay.gov, and one of the last steps never connects if IPv6 is enabled.

Matthew Kaufman

(Sent from my iPhone)

> On Oct 26, 2014, at 2:16 PM, Mark Andrews <marka at isc.org> wrote:
> 
> 
> 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