Re: WinXP and raw sockets ?

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

From: Arkady Frenkel (arkadyf_at_hotmailxdotx.com)
Date: 02/17/05 

Date: Thu, 17 Feb 2005 17:11:08 +0200

IMHO they (MSFT)look for SCTP as TCP in service provider , because in SP2
documentation only TCP/UDP packets mentioned
Arkady

""Nils O. Selåsdal"" <NOS@Utel.no> wrote in message
news:800Rd.9096$Sl3.276292@news4.e.nsc.no...
> Arkady Frenkel wrote:
>> Yes in SP2 using TCP in raw sockets forbidden , on the contrary you do
>> can use UDP but only if IP in the packet is of your machine. That
>> struggle with DOS-attackers.
>> No workaround , but you really can implement your protocol ( NDISPROT in
>> DDK ) and send data with proprietary IOCTLs
>> Arkady
> Note that I said SCTP. There is no sending/receiving of TCP or UDP
> packets..
> Oh, I can btw send the SCTP packets, seems to work. But the code
> that works fine on SP1 and older doesn't receive anything..
>
>
>
>
>> ""Nils O. Selåsdal"" <NOS@Utel.no> wrote in message
>> news:oiZQd.9287$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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