[Bug 1320466] Re: unable to make any update from sudan unless we use VPN connection

[mhd]

I think it's all about Zain internet , I'm using MTN connect and it is fine , 
but why Zain is good on 12.04 ............. I couldn't understand !!!!!!!!!

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Title:
  unable to make any update from sudan unless we use VPN connection

Status in “apt” package in Ubuntu:
  Confirmed

Bug description:
  for an year or more ; we can't update Ubuntu from Sudan , when we try (sudo apt-get update ) gives this error  massege ::
  E: GPG error: http://extras.ubuntu.com trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)

  this issue affect on many many users .
  How can we fix this ?

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