Computer Identification by website

Acer / Aspire 4736
July 4, 2011 at 09:40:00
Specs: Windows Vista Home Premium-32bit / Windows 7 Ultimate 32bit, Intel(R) Core(TM) 2 Duo T6500 @2.1 GHz / 3001 MB RAM
Hello, everyone,
Can any one tell me what the ways that a website can uniquely identify a client computer ??

I want to know about all the possible ways.

Can any one help me??
Please help me.

It is enough for a human to live as a human on earth...


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#1
July 4, 2011 at 10:26:01
By IP address, that what they are there for.

Stuart


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#2
July 4, 2011 at 11:00:20
Hello, StuartS and thank you vary much for your prompt replay.

Is that the only way that a website can identify a client computer ??

isn,t the MAC Address or other thinks can help them ??

I want to know about all the possible ways there.

It is enough for a human to live as a human on earth...


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#3
July 4, 2011 at 13:11:29
A MAC address plays no part in the Internet, it only relates to Ethernet networks.

IP address is the only way and all that is needed.

Stuart


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#4
July 5, 2011 at 18:19:32
Thanks, Stuart for your reply.
And sorry for my delayed reply.

IP address is the only way and all that is needed.

But many people says if you even hide or change your IP periodically, a site can still track you uniquely.

What is the fact and what's not ?? I am confused !!

It is enough for a human to live as a human on earth...


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#5
July 5, 2011 at 18:58:10
People put far to much emphasis on IP addresses; tt is just a number. You can change it but you can't hide it. There are those that claim to be able to hide it via a proxy server but ultimately you can still be tracked back to your original IP address.

Your IP address is essential for communication. When you send a request to a web site your IP address goes with the request. The Web site needs it because it needs to know where to send the information you have requested. You wouldn't ask a friend to give you a call on the telephone and not give him your telephone. An IP address is just the same. You wouldn't request information from a Web site and not tell them where to send the information.

Stuart


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#6
July 6, 2011 at 05:43:32
All very true but the way to defeat this is to click start, run, enter cmd, at the prompt enter ipconfig/renew. What you have done is to instruct the PC to change your IP address.

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#7
July 6, 2011 at 05:50:17
If you are behind a router all that will do will reissue your private address, It does nothing to you public IP address. It will only change your public IP address if your computer is connected directly to a Modem, something that is not recommend. To change you public IP address when behind a router you need to reset the router.

Your ISP can still track the IP address back to you. It will keep a record of which IP addresses their DHCP server issued. to who and when. So it achieves nothing.

Stuart


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#8
July 6, 2011 at 07:26:46
Sorry cohen but that's just not true.

All you will accomplish doing that is to renew the same IP address in most cases. Most DHCP servers, by default, will keep giving the same address to the same client. Whoever administers the DHCP server could set it to use a different IP every time the lease expires, but most people don't as it really serves no purpose.

Also, as StuartS said, it doesn't do anything with external IP addresses. Those are assigned by your ISP and even if it's done using DHCP server, you're still likely to get the same IP address. Even if it's different, it'll still be in the same subnet which points right back to the same ISP.

With regard to what I said above about DHCP. My ISP gives me back the same IP all the time. I know of some ISP's that have it set to give out different IP's. This is an attempt to prevent clients setting up web serves at home on a "home" highspeed package. The ISP's want to charge them more $$$ each month for a "business" highspeed package. But there are ways around that too.........specifically using online proxies.

But, as StuartS mentioned earlier, using an online proxy doesn't prevent you from being tracked. The online proxy has a record of your real IP and your ISP has your personal information including your address. So, if you're doing some illegal and say the police want to find out who you are, they contact the proxy company and give them date/time/IP and then the proxy company gives them your real IP address.

Then the police use that information and go to your ISP. They give them the date/time/address and the ISP looks that info up and hands them your name and home address. Within minutes, the police are knocking on your door.

Anybody who thinks they can actually hide themselves on the internet is a fool.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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