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I am using VB.net to ping a domain/IP, using the following code;
My.Computer.Network.Ping(Address, 1000)
I now want to add a port to the domain/IP – e.g google.co.uk:21
How would I go about this?
You cannot ping a port but you can try to connect to a specific port using either TCP/IP or UDP. The port concept belongs to the transport layer of the protocol stack (either TCP or UDP) while the ping is at the lower network layer (the ICMP protocol).