Re: Can I use same port for sending and receiving in UDP

"AliR \(VC++ MVP\)" <AliR@online.nospam>
Wed, 1 Apr 2009 14:19:36 -0500
Let me also mention that the client and server must be on different


"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message

Yes, the client and the server. I have this 0 configuration thing, where
the client finds the server app running on the LAN. The client sends a
message in UDP broadcast on a particular port, and when the server gets
that message it responds with a "here I am" message to the sends ip using
UDP on the same port, have had no problems so far.


"Joseph M. Newcomer" <> wrote in message

For two different applications?
On Wed, 1 Apr 2009 11:16:10 -0500, "AliR \(VC++ MVP\)"
<AliR@online.nospam> wrote:

I have used the same port number, and have never had any problems.

It normally won't get received by the sender unless you have loopback


"Faisal" <> wrote in message


I've an application which uses UDP Sockets for IPC.

My application communicates with another application through UDP
sockets. A fixed port number is used for this. Now I want to receive
the data send by the other application. Both application runs in the
same machine. Can I use the same UDP port for sending and receiving?

If so, is there any chance that the data sent by my application is
received by itself?

Joseph M. Newcomer [MVP]
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