Get Mac From IP
 

hi,
I have a very big problem... (I code at c++ in debian) Shortly: I have a web server for utm control panel... I have to get mac from ip... I use system command and get mac like this

arp -a | fgrep CLIENTIP > myfile

and than I read this file and get mac... BUT if ı have many user, linux give mac too along time :( so I have to do new think... Can you give any idea..

Thanks for reply. Sory my english...

Sory... Im using SOCK_STREAM for web server...