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Is possible to generate, send & receive back ICMP messages directly in PHP instead of external execution of ping?

Feb 19th, 2008 22:23
dman, Henrik Hansen, Matthews, http://www.ttnr.org


You can do that with sockets, by sending to a special port on the ip 
you want to send ICMP traffic to. It requires you know more about 
network traffic and might be a good idea to read the ICMP rfc too. 
You can get more information about sockets in PHP here:
http://www.php.net/manual/en/ref.sockets.php