[isf-wifidog] IPtables issues

[Marcos Tadeu]

Jean-Philippe Menil wrote:
> Steve Congrave a écrit :
>> Just wondering if anyone else has come up against a problem that we 
>> seem to
>> get on a regular basis.
>>
>> A client connects to the router (Wifidog and OpenWRT) and is sent 
>> through to
>> the portal. There they are authenticated and they start to get Internet
>> access.
>>
>> At some random point afterwards, typically within 1-5 hours, all 
>> users are
>> denied access although they can see web sites that have specific routes
>> through the firewall. Checking iptables shows all the rules are in 
>> place and
>> should be working just fine but the clients web browser just gives a
>> 'Internet explorer cannot display the page' error unless they go to 
>> one of
>> the URLs that have specific rules in which case they can see it fine. 
>> The
>> auth server is accessible and available when this happens.
>>
>> Rebooting the router restores everything to normal until the next 
>> time it
>> happens.
>>
>> Any ideas or pointers?
>>
>> Thanks
>>
>> Steve
>>
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>> WiFiDog at listes.ilesansfil.org
>> http://listes.ilesansfil.org/cgi-bin/mailman/listinfo/wifidog
>>   
> Hi,
>
> I've never see this issue with Wifidog under Linux router environment.
> I think it's related to your router.
> Maybe you can ask on OpenWrt mailing?
>
> Regards.
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Maybe this is a DNS problem. Check the DNS servers that clients receive 
from dhcp.

Regards,
-- 
Marcos Tadeu