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macOS Problem with NSHost hostWithAddress

R

ray648

macrumors regular
Original poster
I'm trying to sort out some basic networking code, which starts by getting an NSHost object then using getStreamsToHost to open the connection. The problem I am having is the following:

NSHost * host = [NSHost hostWithAddress😡"127.0.0.1"]; //works perfectly

NSHost * host = [NSHost hostWithAddress😡"172.31.5.12"]; //doesnt work

172.31.5.12 is the address of another computer on my network. I can ping it so it is not a network connectivity problem. Any ideas?

Thanks.
 
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