IP Adresses
When your web browser or email application requests a web page or email from another computer on the Internet, it automatically gives that computer the address where it should send the information. This is called your computer's "IP address." (IP stands for "Internet protocol.") For most users accessing the Internet from a dial-up Internet service provider (ISP), the IP address will be different every time you log on.
The IP address is also an identifier for a computer or device on a TCP/IP network. Networks using the TCP/IP protocol route messages based on the IP address of the destination. The format of an IP address is a 32-bit numeric address written as four numbers separated by periods. Each number can be zero to 255. For example, 66.84.179.38 could be an IP address.
Within an isolated network, you can assign IP addresses at random as long as each one is unique. However, connecting a private network to the Internet requires using registered IP addresses (called Internet addresses) to avoid duplicates.
The four numbers in an IP address are used in different ways to identify a particular network and a host on that network. The InterNIC Registration Service assigns Internet addresses.
PC PhoneHomeTM and Tracking IP Addresses
X-Persona: <BrigTech>
Return-Path: <sender@brigadoonsoftware.com>
Received: from mail.brigadoonsoftware.com (66.84.179.38) by mail.mcf.com with SMTP (Eudora Internet Mail Server 3.1b1);
Thu, 18 Oct 2001 11:10:21 -0400
From: sender@brigadoonsoftware.com
To: tech@brigadoonsoftware.com
Subject: Information
Date: Thu, 18 Oct 2001 11:10:21 -0400
Message-ID: 1208704675-101666554@mail.mcf.com
PCPH Pro For Win 95/98/ME/XP/NT/2K
Date: 10-18-2001
Time: 11:10:21
Computer Name: SPARKY3223
User Name: Sparky3223
IPAddress : 66.84.179.38
Mac Address: 44-45-53-54-61-6F
Mac Address: 44-45-53-54-61-70
Mac Address: 00-80-C7-98-D6-9F
Serial Number: 392D12D8
Registrants Name: sammy
Organization: bsi
Address: 100 main st
City: nyc
State/Province: ny
Zip/Postal Code: 10002
Country: usa
Work Phone: 212-555-1234
Home Phone: 212-555-4321
E-mail: sparky@somewhere.com
Unique Identifier: my-unique-identifier-goes-here
Computer Manufacturer: ibm
Computer Model Number: 570
Computer Serial Number: 1231VF2937121-92
Inventory Number: bsi-34234 |
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Every time the computer has Internet access, PC PhoneHomeTM has the ability to send an identifying stealth email to the pre-configured Recipients email address for location and recovery purposes. An example of how the message appears is as follows (color added for emphasis):
The information that is sent back to the monitoring email address provides two major bodies of information:
1. Information regarding ownership of the computer that is vital for its recovery (data in image 4 in blue); and
2. Information pertaining to the location identifiers in order to track the location of the computer at the time the computer was on the Internet and was able to send the stealth email message (data in image 4 in red).
The information included (data in image 4 in blue) above is vital in order to provide the court with probable cause so that the law enforcement agency in charge can obtain a search warrant necessary in order to recover the computer.
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