T-mobile blocking non-mobile user agent web requests

Pada

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I'm currently in Las Vegas and I've been having trouble browsing non-HTTPS webpages via my tethered Android phone on T-mobile network.

I then thought it was some kind of TTL expiry issue, because to myBB, it is 30 hops!
Code:
Tracing route to mybroadband.co.za [41.203.21.137]
over a maximum of 30 hops:

  1     2 ms     4 ms     1 ms  192.168.43.1
  2   606 ms   145 ms     *     10.170.213.48
  3   499 ms   945 ms   509 ms  10.170.213.133
  4   341 ms   317 ms   344 ms  10.168.185.54
  5   942 ms   641 ms   461 ms  10.168.185.53
  6   187 ms    90 ms    91 ms  10.170.213.5
  7   225 ms    90 ms    98 ms  10.170.213.11
  8   213 ms   180 ms   767 ms  10.177.30.233
  9    74 ms   102 ms  1030 ms  10.177.16.246
 10  3685 ms   672 ms   655 ms  10.177.17.1
 11  1184 ms   659 ms   340 ms  xe-4-2-0.edge3.LosAngeles1.Level3.net [4.71.136.21]
 12   839 ms   639 ms   785 ms  vlan80.csw3.LosAngeles1.Level3.net [4.69.144.190]
 13   247 ms   235 ms   230 ms  ae-83-83.ebr3.LosAngeles1.Level3.net [4.69.137.41]
 14   332 ms   301 ms   332 ms  ae-3-3.ebr1.SanJose1.Level3.net [4.69.132.9]
 15   399 ms   272 ms   263 ms  ae-2-2.ebr2.NewYork1.Level3.net [4.69.135.186]
 16  1232 ms   926 ms  1504 ms  ae-72-72.csw2.NewYork1.Level3.net [4.69.148.38]
 17  2053 ms  1357 ms   273 ms  ae-71-71.ebr1.NewYork1.Level3.net [4.69.134.69]
 18   235 ms   256 ms   238 ms  ae-41-41.ebr2.London1.Level3.net [4.69.137.65]
 19   226 ms   247 ms   220 ms  ae-59-224.csw2.London1.Level3.net [4.69.153.142]
 20   230 ms   235 ms   241 ms  ae-230-3606.edge4.London1.Level3.net [4.69.166.21]
 21   266 ms   322 ms   215 ms  195.50.122.182
 22   632 ms   218 ms   237 ms  ls-cr-2.uk--ls-pr-2.uk.mtnns.net [209.212.111.186]
 23   447 ms   578 ms   428 ms  rb-cr-1.za--ls-cr-2.uk.mtnns.net [196.44.31.115]
 24  1160 ms   880 ms  2109 ms  196.44.31.97
 25   429 ms   472 ms   446 ms  196.30.1.39
 26   502 ms   695 ms   427 ms  tengigabitethernet1-1.gw21.jnb6.za.mtnbusiness.net [196.31.220.21]
 27   422 ms   417 ms   424 ms  tengigabitethernet5-2.hr9.jnb6.za.mtnbusiness.net [196.31.63.150]
 28   512 ms   410 ms   416 ms  core-router1.jnb2.host-h.net [196.30.213.108]
 29  1710 ms   489 ms   510 ms  core-access-switch1-vlan1001.jnb.host-h.net [41.72.136.53]
 30   448 ms   486 ms   461 ms  mybroadband.co.za [41.203.21.137]

Trace complete.

After trying other websites, I noticed that HTTPS sites work, and also PPTP VPN, but websites didn't work from my PC, while it still worked on my phone.

Now I'm forced to set my user agent to like an Android one, eg. "Mozilla/5.0 (Linux; Android 4.2.2; Nexus 4 Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome"

Interestingly, I couldn't find any mentioning of this problem on the Internet, except for that tethering is "blocked" on their unlimited plans and then people use VPN's to bypass it.
The $3/day plan that I'm on has "unlimited web" per day, but after 200MB it gets throttled - so perhaps this is the same plan they're referring to
 
Last edited:
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