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Qt-interest Archive, May 2008
UDPSocket checksum

Message 1 in thread

Hi all,

Is there a way to set a UDP packet with no checksum (0 checksum on the 
header) using the QUdpSocket class?

Thanks!
Juan-Pablo

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Message 2 in thread

I've still being trying to do this but with no luck. Is it true that the 
only way to do it is use raw sockets and avoid QT classes?

Thanks,
Juan-Pablo

Juan-Pablo Caceres wrote:
> Hi all,
> 
> Is there a way to set a UDP packet with no checksum (0 checksum on the 
> header) using the QUdpSocket class?
> 
> Thanks!
> Juan-Pablo
> 
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Message 3 in thread

AFAIK, there's no such API and I doubt there'll be any in the future. If  
you set it to an invalid value, remote OS, or even the first router in the  
path, will drop your packet as corrupt. If you set it to the correct  
value, why do you want to do that yourself?

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