Re: [Bloat] OT: Netflix vs 6in4 from HE.net

2020-03-21 Thread Rich Brown
 I love knowing smart people. 

Yes, it does appear to be Netflix geo-fencing their services. Given that I only 
watch Netflix on one computer, I am taking Sebastian's advice and turning off 
IPv6 DNS queries in Firefox. 

Thanks again for these responses.

Rich

> On Mar 21, 2020, at 6:14 PM, Sebastian Moeller  wrote:
> 
> Hi Rich,
> 
> since it seems to be IPv6 related, why not use firefox for netflix and 
> disable IPv6 in firefox (see 
> https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can#w_ipv6)
>  maybe that works well enough?
> 
> Best Regards
>   Sebastian
> 
> 
> 
> 
>> On Mar 21, 2020, at 21:20, Rich Brown  wrote:
>> 
>> to Bloat & CeroWrt folks: This is a little OT for either of these lists, but 
>> I figured there are plenty of experts here, and I would be delighted to get 
>> your thoughts.
>> 
>> I just tried to view a Netflix movie and got a F7111-5059 error message. 
>> This prevented the video from playing. (As recently as a month or two ago, 
>> it worked fine.)
>> 
>> Googling the error message gets to this page 
>> https://help.netflix.com/en/node/54085 that singles out use of an IPv6 Proxy 
>> Tunnel.
>> 
>> Sure enough, I'm have a 6in4 tunnel through Hurricane Electric on WAN6. 
>> Stopping that WAN6 interface caused Netflix to work.
>> 
>> What advice could you offer? (I could, of course, turn off WAN6 to watch 
>> movies. But that's a drag, and other family members couldn't do this.) Many 
>> thanks.
>> 
>> Rich
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> 

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Re: [Bloat] [Cerowrt-devel] OT: Netflix vs 6in4 from HE.net

2020-03-21 Thread Dave Taht
Per the url I posted earlier you can stick something like this into
/etc/firewall.user

ip -6 route add blackhole 2406:da00:ff00::/96 # AWS
ip -6 route add blackhole 2607:FB10::/32
ip -6 route add blackhole 2620:0:ef0::/48
ip -6 route add blackhole 2a00:86c0::/32

I actually used "unreach" and put it in /etc/config/networks

config 'route6' 'killnetflix61'
option 'interface' 'lan'
option 'target' '2406:da00:ff00::/96'
option 'type' 'unreachable'
option 'proto' '50'

... etc...

I then used the proto 50 bit (requires ip-full), to make  babel pick it up with
a redistribute proto 50
line. (I use this also to propigate /22s around for ipv4)

Neither approach is something "joe user" will be able to do.

But it turned out to be essentially just as much work to just
propigate my native /60s
to the entire campus network statically and try to work out what new security
holes I'd introduced. I have 22 APs to renumber if I get renumbered,
and a few dns entries.


On Sat, Mar 21, 2020 at 3:14 PM Sebastian Moeller  wrote:
>
> Hi Rich,
>
> since it seems to be IPv6 related, why not use firefox for netflix and 
> disable IPv6 in firefox (see 
> https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can#w_ipv6)
>  maybe that works well enough?
>
> Best Regards
> Sebastian
>
>
>
>
> > On Mar 21, 2020, at 21:20, Rich Brown  wrote:
> >
> > to Bloat & CeroWrt folks: This is a little OT for either of these lists, 
> > but I figured there are plenty of experts here, and I would be delighted to 
> > get your thoughts.
> >
> > I just tried to view a Netflix movie and got a F7111-5059 error message. 
> > This prevented the video from playing. (As recently as a month or two ago, 
> > it worked fine.)
> >
> > Googling the error message gets to this page 
> > https://help.netflix.com/en/node/54085 that singles out use of an IPv6 
> > Proxy Tunnel.
> >
> > Sure enough, I'm have a 6in4 tunnel through Hurricane Electric on WAN6. 
> > Stopping that WAN6 interface caused Netflix to work.
> >
> > What advice could you offer? (I could, of course, turn off WAN6 to watch 
> > movies. But that's a drag, and other family members couldn't do this.) Many 
> > thanks.
> >
> > Rich
> > ___
> > Bloat mailing list
> > Bloat@lists.bufferbloat.net
> > https://lists.bufferbloat.net/listinfo/bloat
>
> ___
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> cerowrt-de...@lists.bufferbloat.net
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-- 
Make Music, Not War

Dave Täht
CTO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-831-435-0729
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Re: [Bloat] OT: Netflix vs 6in4 from HE.net

2020-03-21 Thread Sebastian Moeller
Hi Rich,

since it seems to be IPv6 related, why not use firefox for netflix and disable 
IPv6 in firefox (see 
https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can#w_ipv6)
 maybe that works well enough?

Best Regards
Sebastian




> On Mar 21, 2020, at 21:20, Rich Brown  wrote:
> 
> to Bloat & CeroWrt folks: This is a little OT for either of these lists, but 
> I figured there are plenty of experts here, and I would be delighted to get 
> your thoughts.
> 
> I just tried to view a Netflix movie and got a F7111-5059 error message. This 
> prevented the video from playing. (As recently as a month or two ago, it 
> worked fine.)
> 
> Googling the error message gets to this page 
> https://help.netflix.com/en/node/54085 that singles out use of an IPv6 Proxy 
> Tunnel.
> 
> Sure enough, I'm have a 6in4 tunnel through Hurricane Electric on WAN6. 
> Stopping that WAN6 interface caused Netflix to work.
> 
> What advice could you offer? (I could, of course, turn off WAN6 to watch 
> movies. But that's a drag, and other family members couldn't do this.) Many 
> thanks.
> 
> Rich
> ___
> Bloat mailing list
> Bloat@lists.bufferbloat.net
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Re: [Bloat] [Cerowrt-devel] OT: Netflix vs 6in4 from HE.net

2020-03-21 Thread Michael Richardson

Rich Brown  wrote:
> to Bloat & CeroWrt folks: This is a little OT for either of these
> lists, but I figured there are plenty of experts here, and I would be
> delighted to get your thoughts.

> I just tried to view a Netflix movie and got a F7111-5059 error
> message. This prevented the video from playing. (As recently as a month
> or two ago, it worked fine.)

> Googling the error message gets to this page
> https://help.netflix.com/en/node/54085 that singles out use of an IPv6
> Proxy Tunnel.

I suspect it's part of a geo-fencing system.

> Sure enough, I'm have a 6in4 tunnel through Hurricane Electric on
> WAN6. Stopping that WAN6 interface caused Netflix to work.

> What advice could you offer? (I could, of course, turn off WAN6 to
> watch movies. But that's a drag, and other family members couldn't do
> this.) Many thanks.

If your only IPv6 is via the tunnel, then I'd blacklist the netflix device
from getting IPv6.  (Maybe that fails because it's your general purpose laptop)

Maybe you would be able to determine what IPv6 destinations are netflix, and
blacklist that, but given that it usually uses a stack of EC2, etc. servers,
that might be too big a gun.

--
]   Never tell me the odds! | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works|IoT architect   [
] m...@sandelman.ca  http://www.sandelman.ca/|   ruby on rails[


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Re: [Bloat] [Cerowrt-devel] OT: Netflix vs 6in4 from HE.net

2020-03-21 Thread Dave Taht
On Sat, Mar 21, 2020 at 1:20 PM Rich Brown  wrote:
>
> to Bloat & CeroWrt folks: This is a little OT for either of these lists, but 
> I figured there are plenty of experts here, and I would be delighted to get 
> your thoughts.
>
> I just tried to view a Netflix movie and got a F7111-5059 error message. This 
> prevented the video from playing. (As recently as a month or two ago, it 
> worked fine.)
>
> Googling the error message gets to this page 
> https://help.netflix.com/en/node/54085 that singles out use of an IPv6 Proxy 
> Tunnel.
>
> Sure enough, I'm have a 6in4 tunnel through Hurricane Electric on WAN6. 
> Stopping that WAN6 interface caused Netflix to work.
>
> What advice could you offer? (I could, of course, turn off WAN6 to watch 
> movies. But that's a drag, and other family members couldn't do this.) Many 
> thanks.

This happened to me over a year back.

http://www.peachyphotos.com/blog/posts/netflix-and-hurricane-electrics-ipv6-service/

Briefly I swtched to just blackholing netflix's ipv6 range, then I
tunnled my linode connection, then I switched to just universally
using comcast native ipv6 (with source specific routing and static
assignments on the key routers).

I was VERY reluctant to do this as comcast reserves the right to
change your ipv6 addressing at any point, and it changes if you change
routers, but having to manually reconfigure  a dozen routers and
several servers if it ever changes seemed easiest. I dread
renumbering...

The vast majority of my traffic in the evenings is ipv6 now.


> Rich
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-- 
Make Music, Not War

Dave Täht
CTO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-831-435-0729
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[Bloat] OT: Netflix vs 6in4 from HE.net

2020-03-21 Thread Rich Brown
to Bloat & CeroWrt folks: This is a little OT for either of these lists, but I 
figured there are plenty of experts here, and I would be delighted to get your 
thoughts.

I just tried to view a Netflix movie and got a F7111-5059 error message. This 
prevented the video from playing. (As recently as a month or two ago, it worked 
fine.)

Googling the error message gets to this page 
https://help.netflix.com/en/node/54085 that singles out use of an IPv6 Proxy 
Tunnel.

Sure enough, I'm have a 6in4 tunnel through Hurricane Electric on WAN6. 
Stopping that WAN6 interface caused Netflix to work.

What advice could you offer? (I could, of course, turn off WAN6 to watch 
movies. But that's a drag, and other family members couldn't do this.) Many 
thanks.

Rich
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