Hello Friends,
I have one Scenario,which i put here,
We have runing ISP.we maintain near about 350 client.
and we have software like every client should have login page to access our net.
so every client should login before they used net.
now i face some problem here,
we have ip rang like 10.0.9.10 to 10.0.9.255
we store all user IP add and Adapter add(like Lan card H/W numbar)
in our database.and all r uniq.
now here spposed their one client called ABC
and his Pc's IP Add something like 10.0.9.50
and Adapter add is:00-00-20-d3-90-b5
and their more client call XYZ
and his IP add like :10.0.9.60
and Adapter add is :00:C1:26:05

A:BC
when I give ABC's IP Add(10.0.9.50) (with out Adapter number)in XYZ PC's,after
reboot when i access net it's working ,
How it can be possible,
and it's didn't give any error messages. on XYZ's Pc.like "Invalide MAC Add"
Quest is:
!)how can sove this problem
2)is there any error in Scripting.?
3)or is there any Security Required in RHL Server
or i can't guess other problem,
so any one have any adia abt this.
I affriad how many users doing this.or using any one else IP(with out mac add) to access net.
so tell how can find rest of it also.
Help me.....
Hitesh