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Author Topic: I can't connect to r.msn.com.nsatc.net  (Read 6362 times)

liuxyon

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I can't connect to r.msn.com.nsatc.net
« on: August 22, 2013, 11:16:01 AM »

I don't know why all msn's ads site can't visit. 

I can't connect to r.msn.com.nsatc.net.  I try use tracert test it also. 

but I use opera proxy can visit.

 
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liuxyon

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Re: I can't connect to r.msn.com.nsatc.net
« Reply #1 on: August 27, 2013, 08:31:03 PM »

r.msn.com.nsatc.net [2a01:111:2006:7::1:1] :

  1     1 ms     1 ms     1 ms  2001:470:67:2b2::face
  2   206 ms   207 ms   206 ms  *.tunnel.tserv29.fmt1.ipv6.he.net [2001:470:66:2b2::1]
  3   220 ms   214 ms   209 ms  gige-g5-1.core1.fmt1.he.net [2001:470:0:206::1]
  4   207 ms   211 ms   206 ms  10gigabitethernet1-2.core1.sjc2.he.net [2001:470:0:2f::2]
  5   207 ms   209 ms   208 ms  t8-4.sjc-76e-3.ntwk.msn.net [2001:504:0:1::8075:1]
  6   207 ms   208 ms   208 ms  2a01:111:2000:2::cbe
  7     *      277 ms   261 ms  2a01:111:2000:2::7b9
  8   288 ms   299 ms   389 ms  2a01:111:2000:2::719
  9     *        *        *     
 10     *        *        *   
 11     *        *        *   
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Tanner Ryan

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Re: I can't connect to r.msn.com.nsatc.net
« Reply #2 on: August 28, 2013, 09:47:38 AM »

I am experiencing the same problem too...

Tanner@Ryan-Laptop ~
$ tracert r.msn.com.nsatc.net

Tracing route to r.msn.com.nsatc.net [2a01:111:2006:7::1:1]
over a maximum of 30 hops:

  1    31 ms    34 ms    32 ms  TannerRyan-1.tunnel.tserv21.tor1.ipv6.he.net [2001:470:1c:a1b::1]
  2    30 ms    29 ms    36 ms  gige-g2-5.core1.tor1.he.net [2001:470:0:c0::1]
  3    43 ms    43 ms    43 ms  2001:504:1a::34:160
  4    41 ms    42 ms    42 ms  2a01:111:2000:2::841
  5    43 ms    45 ms    42 ms  2a01:111:2000:2::72d
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.
 14     *        *        *     Request timed out.
 15
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Steak

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Re: I can't connect to r.msn.com.nsatc.net
« Reply #3 on: September 04, 2013, 09:27:49 AM »

I reported this problem months ago, had one of their techs look into it and got nowhere.

I just looked into it again, and I think I worked out what it is! They are blocking ICMPv6, which breaks PMTU, so they are sending 1500 Byte packets which get to our tunnel which replies back with a ICMPv6 Type 2 to tell it to resend with a 1480 MTU, but they block the packet so the message doesn't get through...

Steven
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liuxyon

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Re: I can't connect to r.msn.com.nsatc.net
« Reply #4 on: September 04, 2013, 11:55:00 AM »



TracePath IPv6 Output:
 1?: [LOCALHOST]                      pmtu 1500
 1:  2a02:348:82::1                             0.412ms
 2:  rt-eu01-v2.xl-is.net                       7.364ms
 3:  microsoft.globalswitch.nlsix.net           0.980ms
 4:  2a01:111:2000:2::1fa                       8.543ms
 5:  2a01:111:2000:2::bb2                     asymm  4  78.600ms
 6:  2a01:111:2000:2::f6a                      98.157ms
 7:  no reply
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     Too many hops: pmtu 1500
     Resume: pmtu 1500

 ---- Finished ------
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PaulosV

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Re: I can't connect to r.msn.com.nsatc.net
« Reply #5 on: September 05, 2013, 11:27:06 AM »

I just looked into it again, and I think I worked out what it is! They are blocking ICMPv6, which breaks PMTU, so they are sending 1500 Byte packets which get to our tunnel which replies back with a ICMPv6 Type 2 to tell it to resend with a 1480 MTU, but they block the packet so the message doesn't get through...

This is exactly what I've been reporting for about half a year about their Office Web Apps service, where if you open some Excel/Word/PP file from Skydrive, you get a blank screen. And it is also blocking ICMPv6, and that - of course - breaks PMTU. I'm getting sick of them. For half a year I get responses that this is my fault.
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Steak

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Re: I can't connect to r.msn.com.nsatc.net
« Reply #6 on: September 26, 2013, 03:02:40 AM »

Is this now working for anyone else? Clicking the search engine ads, that is. Any 'sponsored ad' on bing.co.uk or yahoo.co.uk redirects through this address.
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liuxyon

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Re: I can't connect to r.msn.com.nsatc.net
« Reply #7 on: September 27, 2013, 02:44:24 PM »

Is this now working for anyone else? Clicking the search engine ads, that is. Any 'sponsored ad' on bing.co.uk or yahoo.co.uk redirects through this address.

I have test at today. it is seem normal work just now.
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