Question

How to use getservbyport() function to get Internet service corresponds to port and protocol in PHP

Answer 1

$port = 23;
$protocol = 'tcp';
   
$service = getservbyport($port, $protocol) or die ("No service");
   
echo "Port: $port <br /> Service: $service <br /> Protocol: $protocol";
   
/*
run: 

Port: 23
Service: telnet
Protocol: tcp 

*/

 

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