TCP/IP, an acronym for Transmission Control Protocol/Internet Protocol, is a suite of protocols supported by Microsoft with the Windows family of platforms. Essentially, through its components, TCP/IP is used for communications on both private networks and on the Internet. As far as the world wide web is concerned, the most common aspects of TCP/IP are IPv4 (Internet Protocol version 4) and IPv6. The Redmond company is offering extensive documentation on TCP/IP as it is supported in Windows Vista, Windows Server 2008, Windows Server 2003 and Window XP. TCP/IP Fundamentals for Microsoft Windows is available for download.
“This online book is a structured, introductory approach to the basic concepts and principles of the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite, how the most important protocols function, and their basic configuration in the Microsoft Windows Vista, Windows Server 2008, Windows XP, and Windows Server 2003 families of operating systems,” revealed Keith Combs, Microsoft IT Pro Evangelist, citing an excerpt of the documentation’s description.
TCP/IP Fundamentals for Microsoft Windows covers a wide range of subjects starting with an introduction and the history of the Transmission Control Protocol/Internet Protocol. The Redmond giant also offers an overview of the TCP/IP Protocol Suite architecture, as well as insight into IP addressing, subnetting, IP Routing, the Dynamic Host Configuration Protocol, a view of the Domain Name Space as well as Windows support for DNS, and additional TCP/IP related information. In the end, readers will be able to understand the stage where TCP/IP is today after more than 30 years since its creation, and the manner in which this evolution is reflected in the four Windows server and client platforms.
“This book is primarily a discussion of concepts and principles to lay a conceptual foundation for the TCP/IP protocol suite and provides an integrated discussion of both Internet Protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6),” Combs added.
TCP/IP Fundamentals for Microsoft Windows is available for download here.
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Written by Jason on June 2nd, 2008 with no comments.
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There are hundreds if not thousands of software programs that are available to block unwanted sites on your PC. some straightforward commands and a text editing program like notepad ( on every windows PC since windows3.1) and you not simply stop someone one(kids, husbands, brother in-laws) from visiting sites that might put computer at risk, or expose them to thing you don’t want them to know about.
1. Know the list of sites you want to block make sure your computer has an internet connection.
2. Standard look of DOS Window Open a command window (DOS), and type in nslookup
3. Jot down this IP address for future reference type in the name of the site you want to send them to when they visit one of the sites you don’t want them to go to. Ie. www.google.com etc…
4. Found on XP Find the “HOSTS” file on your PC. HINT: on Windows(Pre XP ) it will be located under C:\WINNT\System32\Drivers\etc On WindowXP machines it will be located under C:\WINDOWS\System32\Drivers\etc
5. Double Click on the file named “HOSTS”, there is no extension for this file.
6. Select NOTEPAD to open and edit this file with Your PC should ask what program you want to open this file with. Select “Browse” and the select Notepad as the program you want to use.
7. Basic HOST file setup there is some basic instructions on how to enter things in here. 127.0.0.1 is the universal IP address for the “loop back address” on every windows PC in the world. By using this entry, any request to a certain address will send the request back to your PC.
8. Don’t just block them, send them somewhere useful Start by entering the IP address you jotted down earlier. Followed by the name of the site you want to block
9. One drawback to this is that you will need to enter the domain name twice Once as the domain name, and once with WWW in it.
10. Save the file.
11. Open browser and try to visit the site, you should be redirected back to where you wanted them to go. if you use 127.0.0.1 and are not running a web server on your computer then your browser should return the standard ( 404 page not found error )
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Written by Jason on May 10th, 2008 with no comments.
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The first thing that you will have to make a decision on while planning out your home network is will your network will be wired or wireless. The notion in each case will stay put the same where in all your computers will join up to a central router, which will talk the connections to your ISP from side to side a cable or a DSL modem.
It is a frequent fact the wireless home network provides much more expediency than wired networks. They do not necessitate cabling and permit users to move from one room to another with freedom. But wired networks are more secure and dependable and if you can use again the existing phone lines or the electrical wiring, then the cost of installing new cables are reduced radically.
Wired Home Network
In the case of wired networks, the entire set up is known as Local Areas Network (LAN) wherein small bundles of cables are used which is available in every room of your house. These cables can be used for a phone line or a computer connection. More often than not, a minimum of one Ethernet cable is required in a room. A standard pack of wire contains four cables:
1. A coaxial cable for a television
2. A coaxial cable which will provide input from a DVD player
3. Cat5e Ethernet cable for a computer
4. Cat5e Ethernet cable for a phone
The cables lead to a common area where the phone lines can be split and the computer ports can be patched to a panel with jacks. Now, each computer is patched with a short Ethernet cable into the network router to gain access to the Internet.
Wireless Home Network
In the case of wireless networks, the entire system is known as Wireless Local Area Network (WLAN) or Wireless Fidelity (WiFi). This type of network has gained such immense popularity over the last five years, that now a wireless node at a coffee place is a common thing. The most common factor that affects the range of your wireless network at home is the wireless access point placed inside the house, the materials used in the construction of the house and any other physical obstructions between your devices the node.
Home Computer Networking Tips
You have to decide on the kind of network that you want for your house depending on the various pros and cons with each type. Below is some home computer networking tips that will help you make the system more robust and secure:
1. Assign static IP addresses to each of the computer. Ensure that you set up a private IP address range to prevent your computers to be directly accessible from the Internet.
2. Set the ‘Auto Connect to wi-fi’ option off. You computer may accidentally connect to a neighboring network, which can pose severe security threats.
3. Ensure that you have changed the default username and passwords for the administrator accounts, especially if you are using a Wi-Fi system. The hackers can easily access your network from outside the building and can hack into your system as all routers come with standard passwords.
4. Ensure that the firewall on all the computers and routers is turned on. Revoke rights that can allow the users to set the firewall off. Installing additional personal software on each computer will help you make your system more secure.
5. Enable MAC address filter on your network. You will also have to provide MAC address to all your computers to turn the filtering on. A MAC address is very difficult to fake and increases the security of a network tremendously.
6. Use a non-standard channel for your wireless network which will make it difficult for your hackers to access your network.
7. In case you have a wireless network setup, then change the default SSID immediately. Also, ensure that you have disabled the SSID broadcast feature on your network router.
8. Network should be turned off when not in use. Turning it on and off frequently is not a feasible solution, however when the network will not be required for an extended period of time, it can be turned off.
9. Enable and use Wired Equivalency Frequency (WEP) which will help encrypt all the data exchanged over your router.
You will require networking your home computers for a home-based business or simply for the convenience of connecting all you home PC and laptops in your house together. You can choose a wired or a wireless network weighing all the pros and cons. But ensure that you stay your network secure from malicious users and viruses.
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Written by Jason on May 4th, 2008 with no comments.
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The following guide allows you to wirelessly sync an iPhone with Amarok in Ubuntu 7.10, including adding, editing and playing songs and playlists.
Note :- it requires a jailbroken iPhone.
Step1 :- Set up the iPhone
On your iPhone:
Click Settings ? General and set Auto-lock to Never. This will ensure the iPhone keeps the WiFi connection open.
Click Settings ? WiFi and select your WiFi network. Click the Static button and change the IP Address to something outside the dynamically assigned range of your network. For example, if your wireless router normally assigns 192.168.1.1 - 192.168.1.5, try 192.168.1.10. This will ensure your iPhone is always contactable at the same address for syncing.
Open Installer.
Click on All Packages ? OpenSSH ? Install.
Click All Packages ? BSD Subsystem ? Install
Step2 :- Set up Ubuntu
A third party source provides the ipod convenience package needed to properly mount and unmount an iPhone or iPod Touch, and for gtkpod users, a newer gtkpod that’s required for the iPhone and iPod Touch.
First you need to edit the /etc/apt/sources.list file
sudo gedit /etc/apt/sources.list
add the following line
deb http://ppa.launchpad.net/ipod-touch/ubuntu gutsy main
Save and exit the file
Update the source list
sudo aptitude update
Install the ipod-convenience and amarok packages
sudo aptitude install ipod-convenience amarok
When asked, enter the IP address of your iPod Touch or iPhone that you selected earlier. When asked for a folder to mount your iPod Touch or iPhone, either leave the default of /media/ipod or another folder if you prefer - just remember to use that folder name for rest of this guide. The package will make the folder for you.
Step3 :- Set up Amarok
Click Applications ? Sound and Video ? Amarok
When you first open up Amarok:
Click Settings ? Configure Amarok.
Choose Media Devices.
Hit Add Device.
Select Apple iPod Media Device for the plugin type.
Point it at your mount point, /media/ipod.
Back in the main app, click the blue cog icon called Configure Device just above the iPhone or iPod Touch. For Pre-Connect Command, add iphone-mount, for the Post-Disconnect Command, add iphone-umount
Click Connect. After entering your password, your iPhone or iPod touch should now appear in Amarok.
You can now add, edit, and delete music to the iPhone like any other device. Just drag the music files into Amarok, and hit Transfer to move them to your iPhone. When you’re done, stop any music playing from the iPhone and click Disconnect.
Music should show now up in the iPhone immediately.
Note: If music doesn’t show up immediately this may be due to a bug recent BSD Subsystem packages missing the killall command. If so, you can download killall for iPhone, move the ‘killall’ file to /usr/bin/on your iPhone, and enable the execute permission.
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Written by Jason on April 23rd, 2008 with no comments.
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We have been receiving mails from several readers that they are not able to login to Windows. As soon as they login, the windows show applying your settings, saving your settings and logs off automatically without logging in. This situation is really very troublesome and gets onto the nerves of a person who needs his computer badly for some important work.
The main reasons behind this problem is a corruption in the registry key which holds the value of the files which are executed while login to windows. This registry key can get either replaced with some incorrect value or it might get corrupt due to some virus / trojan activity. Lets see how to fix this issue.
We need to remotely access the infected computer from another computer on same network. Then we need to correct the registry key for userinit under winlogon. (more…)
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Written by Jason on March 22nd, 2008 with no comments.
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When you make the switch from a Windows box to a Mac, you are going to need to copy all of your data files over to the Mac. The quickest way to do that is over a network. Yes, you can use “old school†media such as CDs, DVDs or USB thumb drives, but this is very tedious and will take forever. Networking the Windows and Mac machines is actually not very hard. It is not quite as straightforward as networking two Windows machines together, but if I can manage to do it on my second day using OS X, it can’t be too hard. (more…)
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Written by Jason on November 27th, 2007 with comments disabled.
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