Re: Raw sockets on Vista with IPPROTO_ICMP

Why don't you switch to using IcmpSendEcho[2]?

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@xxxxxxxx
MVP VC FAQ: http://vcfaq.mvps.org
=====================================

<chris-deja@xxxxxxx> wrote in message
news:1172765361.617769.96820@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Hi,

I'm trying to keep my ping program up to date with Vista. I use raw
sockets and open them with IPPROTO_ICMP. Now I have read that things
around raw sockets changed in XP SP2 and again under Vista. But still
there seems to be *some* support of raw sockets in Vista. All I want
to do is send ICMP echo-req's and receive the answers.

What happens under Vista is that I can open the socket, send the
packets and even see that the NDIS receives the replies. But, alas, my
application doesn't get them. This doesn't change regardless if I'm
user/admin (i.e. restricted/unrestricted token), use IP_HDRINCL or not
or sign my app or not.

I get the idea I'm doing something wrong, because if it was forbidden
under some new security scheme, would i be able to open the socket or
send the packet in the first place?

Any help appreciated. Please answer in this forum or send mail to l-u-
e-d-e-r-s at c-f-o-s dot d-e (without the dashes).

P.S. link to my program: http://www.cfos.de/ping/ping.htm



.

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