Usually arp on Linux requires the user to be logged in as root. If you
can run it, try this:
<?
ob_start();
passthru('arp '.$ip_addr);
$MAC = ob_get_contents();
ob_end_clean();
?>
On 4/20/07, Nathaniel Hall <halln@xxxxxxxxxxxxxxxxx> wrote:
Hi all,
I am attempting to find the MAC address of systems visiting my page from
the local LAN. I have tried several things, but it appears it will not
let me run system commands. For example, running <?php $MAC =
system("arp 192.168.200.254"); echo $MAC; ?>" does not give me any
output. I have copied arp to a place that the apache user can execute
from and ensured arp is executable.
This is on a Fedora Core 6 box running PHP 5.1.6-3.4 and Apache
2.2.3-5. Any help is appreciated.
--
Nathaniel Hall
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