In the extreme case, you need to enter the correct values   for all the fields involved (the provider provides them when connecting the user's computer to the Internet or the system administrator in the case of network terminals).
In an icala ngokwedlulele, kufanele ufake amagugu efanele wonke amasimu abathintekayo (ahlinzekwa ngumhlinzeki lapho yokuxhuma ikhompyutha-Inthanethi yomsebenzisi noma umlawuli wohlelo uma inethiwekhi ezikhumulweni).