I have Sharespace in local network with fixed IP connected to a router. I mapped internal port 80 to external port 313 for TCP/UPD.
Now when I call " http://XXX.YYY.ZZZ.QQQ:313/" from the Internet explorer I get normal login page. Now if enter correct pair of username/password and hit Login button I get “Internet Explorer cannot display the webpage” error. If I enter wrong pair of username/password and hit Login button I get normal “User name and password do not match when you login ‘Network Storage Manager’!” error message.
Login from the LAN works fine.
I suspect something is wrong in php scripts of ‘Network Storage Manager’.
If I call " http://XXX.YYY.ZZZ.QQQ:313/" from the Internet explorer I get normal login page. Now if enter the correct pair of username/password and hit Login button I get “Internet Explorer cannot display the webpage” error. Now, if I paste the " http://XXX.YYY.ZZZ.QQQ:313/admin/system_index.php?lang=en" and hit Enter the normal system configuration page is displayed.
If you get such behaviour of your WD ShareSpace try to login to Network Storage Manager from LAN, go to Network tab and click Sevices. Now disable UPnP for Web Access & FTP service and Submit button below and after you see “Updated successfully!” confirmation message enable UPnP for Web Access & FTP service and Submit button below.
After such restart of UPnP service the issue should go away.