DHCP client how to make it pose as windows dhcp client

[Ralph Droms]

Search for "dhcp os fingerprinting"; you should be able to track down  
info about what options to send to mimic Windows behavior.

- Ralph

On Apr 27, 2008, at Apr 27, 2008,10:23 AM, Glenn Satchell wrote:

>
>> Date: Sun, 27 Apr 2008 15:40:07 +0530
>> From: "Arup Malakar" <amalakar at gmail.com>
>> To: dhcp-users at isc.org
>> Subject: Re: DHCP client how to make it pose as windows dhcp client
>>
>> On Sun, Apr 27, 2008 at 3:26 PM, Lars Jacobsen <lars-jacobsen at newmail.dk 
>> >
>> wrote:
>>
>>> Have you tried releasing the IP form Windows before requesting IP  
>>> from
>>> Linux. Or let the lese time out. If neigher worksy you should  
>>> contact the
>>> ISP to hear if they may have something misconfigured.
>>>
>>
>> I haven't tried releasing the ip from windows, which I will try and  
>> let you
>> know. As I have heard from other users of the ISP it seems the ISP  
>> have
>> mis-configured the dhcp server and other users are also facing the  
>> same
>> problem. They have tried mailing the customer care, but their  
>> customer care
>> is shit and there is no way I could make the ISP change the  
>> configuration.
>> And I don't have the option of going for another ISP either.  So  
>> the only
>> way is to pose as a windows machine and get connected.
>>
>> Regards,
>> Arup Malakar
>
> Can you install a packet sniifer on WIndows, eg Wireshark, and look at
> what gets sent and received in the DHCP packets? Then do the same for
> Linux.
>
> Packet sniffing is the only reliable way to see what is happenning in
> the conversation between your computer and the ISP.
>
> Otherwise one solution might be to use a Windows machine with Internet
> Connection Sharing as a gateway for the Linux machines.
>
> regards,
> -glenn
>
>