setup username and password for accessing a protected internet

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omin:
Hi, all
   I tried to setup a username and password to access the internet protected by a firewall in a hotel. Usually, in a hotel, users are allowed to access the internet but it requires a username and password to obtain an IP by the DHCP server in a hotel.  Dose anyone know how to setup the username and password in an OBibox ? Thanks.

RonR:
The OBi doesn't have a username/password for Internet access.  DHCP doesn't use any login.  You actually get an IP address via DHCP from the hotel, but their DNS server returns their walled-garden server's IP address for every lookup until you login.  Logging into the hotel system then unlocks their DNS server.  Once you log in to the hotel system using your web browser in the normal fashion, your router should work in the normal fashion at that point, providing service to your PC, OBi, and anything else that's plugged into it.

omin:
Hi, RonR
  Thanks for the input.
What do you mean "Logging into the hotel system then unlocks their DNS server." ?
Did you mean that a user first uses his/her pc to login the hotel system by a web browser and then unplugs the cable and finally plugs it into the OBi ?  After that point, the OBi will be able to access the internet. Is it correct ?
Thanks.

RonR:
In a typical hotel where you have to login to use the Internet connection, the PC instantly gets an IP address via DHCP.  If it didn't, you could never use your web browser to login to get full Internet access.  Until you successfully login, the hotel's DNS server returns the same IP address for any hostname lookup -- that of the hotel's login server.  Once you successfully login, the DNS server starts returning the correct IP addresses for hostname lookups.

If you don't have a router with you, it's possible you could unplug your laptop and plug in the OBi.  I don't know if some or all hotel systems automatically log you out when they see a media unplugged indication.  If they do, you'd have to have a router plugged into the hotel's ethernet connection.

omin:
Many schools and some hotels in fact have this type of protected firewalls which prevent the OBi from accessing the internet.

Basically, you said if there is a firewall protected, one needs a router and a pc that is used to unlock the DNS server in a hotel. This brings up one question. Should I manually make additional configurations for this router ? If this router needs some configurations, please tell me more. Otherwise, I assume that any router with default configurations will work. It seems to me that this router works as an AP (access point).
 
Thanks.

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