January 17, 2012

192-168-2-1 Wireless Router Ip Address - What is It?

What is an Ip Address?

Every gadget that is linked to a network, together with the Internet, has an Internet Protocol (Ip) address. The Internet Protocol defines a proper digital method that is used by computer devices to tell with each other. These devices tell by delivering and receiving datagrams, called data packets, from the source gadget to the destination gadget and vice versa over a network. Each gadget has a unique Ip address that allows devices to find each other on a network and to replacement data packets.

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Networks can be created using telephone lines, cell phones, cable Tv, Ethernet cables, and with wireless routers. Routers are used to assign temporary Ip addresses to devices linked to the local area network the router controls and to "route" data packets colse to a network to the correct devices. Some routers have extra features such as encryption of data packets, data packet error correction, and wireless access.

Internet Protocol version 4 (Ipv4) defines 32-bit Ip addresses is made up by of a group of four numbers fluctuating from 0.0.0.0 to 255.255.255.255. This equates to about 4 billion Ip addresses. A 128-bit version of the Internet Protocol called Ipv6 has been advanced that will allow for many more addresses if Ip addresses run out with Ipv4.

How to use a Wireless Router Ip Address

All wireless routers have one Internet Protocol (Ip) address that is used as the address for the local area network (Lan) and one that is used for an external wide area network (Wan) connection such as the Internet. Internal (Lan) Ip addresses are regularly pre-set to the router manufacturer's premise default Ip address. When you enter the router's Ip address into your web browser as a http invite (for example http://192.168.1.245 for a Linksys router), the browser will send a invite to your router to open the router's default administration page so you can access the router's settings.

How to find your Wireless Router Ip Address

The first place to check is in the wireless router's user manual. If you don't have a user manual or can't find it, you can try visiting the manufacturer's website and crusade for the default Ip address there. Alternatively, connect your wireless router with its Ethernet cable to your computer and power up and start both devices. If you are running a Windows operating ideas such as Windows Xp or Vista, bring up the Command Prompt window (Start->All Programs->Accessories->Command Prompt) and type the word "ipconfig" without the quotes at the prompt and press enter. You should see a list of Ip addresses and the one that is listed next to the "Default Gateway" is the Ip address of the wireless router you have linked to your computer. Next open your web browser and type in the http invite using that same Ip address and you should see the router's administration page where you can log in (the user manual will also have the default username and password for the router's administration page) to convert the router's settings.

Wireless router manufacturer's can use separate premise pre-set Ip addresses for separate model routers they manufacture. The premise pre-set Ip address is regularly stored in the firmware of the router. So if you can not get into your router's administration page you may need to try one of the other Ip addresses the constructor uses with other models in case the firmware was upgraded after the publication date of the user manual. For a list of coarse Ip addresses used by router Manufactures, visit the best wireless router website.

192-168-2-1 Wireless Router Ip Address - What is It?

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January 6, 2012

Time Synchronization on Windows 7

Windows 7, the most recent operating principles from Microsoft is also their first operating principles that automatically synchronizes the Pc clock to an internet source of Utc time (Coordinated Universal Time). From the occasion a Windows 7 computer is switched on and is linked to the Internet it will request time signals from the Microsoft time service - time.windows.com.

While for many home users this will save them the hassle of setting and correcting their clock as it drifts, for company users it may be problematic as internet time sources are not get and receiving a time source through the Udp port on the firewall could lead to security breaches and as Internet time sources can't be authenticated by Ntp (Network Time Protocol) the signals can be hijacked by malicious users.

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This internet time source can be deactivated by occasion the clock and date dialogue box, and occasion the Internet Time tab, clicking the 'Change' setting button and unchecking the 'Synchronize with an Internet time server option.'

Whilst this will unsure no unwanted traffic will be advent through your firewall it will also mean that the Windows 7 motor will not be synchronized to Utc and its timekeeping will be reliant on the motherboard clock, which will ultimately drift.

To synchronize a network of Windows 7 machines to an literal, and get source of Utc then the most practical and simplest clarification is to plug in a dedicated Ntp time server. These connect directly to a router or switch and enable the safe receiving of an atomic clock time source.

Ntp time servers use the very literal, and get Gps signal (Global Positioning System) ready anywhere on the planet or more localized long wave radio signals transmitted by some national physics laboratories such as Nist and Npl.

Time Synchronization on Windows 7