Re: WinXP and raw sockets ?

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: QNils_O=2E_Sel=E5sdal=22?= (NOS_at_Utel.no)
Date: 02/17/05 

Date: Thu, 17 Feb 2005 13:22:31 +0100

Arkady Frenkel wrote:
> Yes in SP2 using TCP in raw sockets forbidden , on the contrary you do can
> use UDP but only if IP in the packet is of your machine. That struggle with
> DOS-attackers.
> No workaround , but you really can implement your protocol ( NDISPROT in
> DDK ) and send data with proprietary IOCTLs
> Arkady
Note that I said SCTP. There is no sending/receiving of TCP or UDP packets..
Oh, I can btw send the SCTP packets, seems to work. But the code
that works fine on SP1 and older doesn't receive anything..

> ""Nils O. Selåsdal"" <NOS@Utel.no> wrote in message
> news:oiZQd.9287$IW4.222358@news2.e.nsc.no...
>
>>Now, we have an implementation of the SCTP (RFC2690) on top of raw
>>sockets. To my surprise the code that ran fine on older windows versions
>>stopped working on a WinXP machine with Service Pack 2 installed.
>>(it seems to be able to send packets, but not receive).
>>A little digging around sigguests Microsoft disabled/removed various
>>features regarding raw sockets. Anyone have some more techincal pointers
>>on this ?
>>And, what alternatives do we now have to implement our own protocols in
>>userspace, on top of IP ?
>>
>>--
>>Nils O. Selåsdal
>>www.utelsystems.com
>
>
> 

-- 
Nils O. Selåsdal
www.utelsystems.com

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