title: can't connect to tfs using VPN
body: <p>I am trying to connect to TFS using VPN:</p>
  
  <p>At our Offices we have TFS installed and working fine.</p>
  
  <p>we have a team abroad trying to connect to tfs through VPN</p>
  
  <p>our TFS server name at the offices is <strong><em>tfssrv</em></strong> under with and IP 192.---.---.196, when i ping this IP from abroad, there is connection to it, but when i try to access it from the browser i should get a popup to enter the username and password, which i not getting. also when i try to connect to it from VS and try to add this IP as as the TFS server, i get an error TF31002: unable to connect to team foundation server.</p>
  
  <p>am i missing anything?</p>