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Using winsock (the control - I've never worked with the Winsock APIs), how do I send a message through an existing port opened by another application? How do I listen on one?
I need to send a packet to a port opened by AIM without having to connect to oscar.aol.com myself.
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I don't have an answer Micro, but will help keep this on top....
The way I remember is, its near impossible, since the OS ties an application to a specific port and forbids access to it if another application tries to access it...
However, somehow packet sniffers get around this, and I guess that's where you need to Google for ideas...
i think the only way is thru proxys....
Well, is there a way to make such a packet sniffer?
Nevermind, it was for Unix, but the basic premise is to put the Ethernet card into 'promiscuous mode'...
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you could do like aim filter does and just rerout everything..did u figure out how to do it? im trying myself just to listen to find when the profile is updated but i cant find a way
There is a Packet Sniffer control for VB. I think its called PacketX. Search these boards for my posts on "Packet Sniffer", you will find the link.
Though, I would not know how U would send data once U have access to the port.
Also check this out. ethereal