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Re^4: udp recv questionby smackdab (Pilgrim) |
on Jun 28, 2004 at 03:30 UTC ( [id://370087]=note: print w/replies, xml ) | Need Help?? |
I VERY MUCH APPRECIATE YOUR COMMENTS.
I can also be quite dense on some of these matters...but: I am NOT trying to SEND an ICMP packet. I AM trying to see if a remote UDP port is "open" My assumption has been to send a UDP packet out and if the port is CLOSED, then I get a ICMP error msg back Otherwise I know the remote port is OPEN... The code above sends an UDP packet out and an ICMP error msg is sent back. But I DON'T know how to grab it. I tried reading on the UDP and ICMP sockets but neither *seem* to have it. Are you saying that I need to send an ICMP packet out??? Again, sorry if I am missing something completely obvious ;-)
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