RE: security based on IP address

["Aditya, ALD [Aditya Lalit Deshmukh]" <aditya.deshmukh () online gateway technolabs net>]

> Hi there,  My ISP provides internet access based on IP address. 
> As in, he gives static IP addresses to its customers and 
> allows/disallow internet access based on the same.   1. What am 
> wondering at is, what if my ip address is blocked but I take over 
> somebody else's ip address and try to connect to the internet? 
> Will the ISP's proxy detect this?  This leads to the second 
> question.. 

that depends upon what kind of connection you have to the net ... with dial up connection there is no way, with some 
kind of ethernet based connection you may be able to do mac spoofing and get past the isp proxy server. the isp proxy 
server may be able to detect this if they have configured it properly


> 2. Can I take over the ip address of a system that is 
> already up?   Gracias, Amit


mac spoofing ... will allow you to do it

aditya


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