There are two ways of ADSL sharing Internet, one is a proxy, one is address translation (NAT), everyone often said is actually NAT mode, in fact, the route and NAT are still different, this is not discussed, now ADSL cats generally have NAT's functionality, with its own functionality to achieve sharing Internet is more economical, this article is mainly discussed.
To block a computer, you must find the machine to find the machine than one machine, NAT works as shown in Figure 1, the address of the computer of the internal network of the external network is turned into the address after NAT conversion 192.168.0.1 and the MAC address is also converted to the ADSL's MAC address, that is, in principle, the package directly grasped through the NAT conversion directly in the ADSL exports is not found to have several machines online. How do I find it? After study, it was found that it was used to detect whether the user used a sharing method to limit the limit, and the following were cracked:
1. Check if there is a different MAC address in the packet of the same IP address, if it is determined to share the Internet. The way to crack is to change the MAC address of each machine. The modified method is as follows:
First get the Mac: MAC address of this machine is cured in serial EEPROM on the NIC, usually 48 long. The Ethernet switch implements the exchange and transfer of the package in the MAC source address and the MAC destination address in a piece of information.
(1) In Windows 98 / ME, click "Start" → "Run" → Enter "Winipcfg" → Enter.
(2) In Windows 2000 / XP, click "Start" → "Run" → Enter "CMD" → Enter → Enter "IPConfig / All" → Enter.
Or right-click the local connection icon, select the status and click Support tab, here "Details" contains Mac and other important network parameters.
1. If your network driver has direct link to the cloning MAC address function, such as RTL8139 chip from Realtek, congratulations, click "Start → Settings → Control Panel", double-click "Network and Dial-up Connections", right-click Talk to you need to modify The network card icon of the MAC address and selects "Properties". In the General tab, click the Configure button to click the Advanced tab. In the Properties area, you should be able to see a project called "Network Address" or "Locally Administered Address", click on it, below the right "value", enter the MAC address value you want to specify. To enter 12 numbers or letters continuously, do not input "-" therebetween. Restart a system after the system will take effect (Windows 98 and Windows 2000 / XP user operations are slightly different, please refer to the system description operation)
2. If your NIC driver does not provide a cloning MAC address function, then provide some ways, I hope to find a suitable for you.
Win98 under:
a. Right-click on the "Online Neighbor" icon, select "Properties", come out to a "Network" dialog box, in the Configuration box, double-click the NIC you want to modify, come out to a network card properties dialog. In the "Advanced" option, it is also a "network address" item under the "Properties" identity. In the two single options to the right, select the above, enter the network card MAC address you want to modify in the box, click "OK" The system will prompt you to restart. After restarting, your network card address will be successful! !
b. Click "Start → Run", type "Winipcfg", select the network card you want to modify and record the MAC address value. Click "Start → Run", enter "regedit" to run the registry editor (before modifying the registry, you must first back up the registry), in accordance with the registry tree structure, search "HKEY_LOCAL_MACHINESYSTEMCURRENTCONTROLSETSERVICSCLASSNET", you will see similar " 0000 "," 0001 "," 0002 ", etc. From the "0000" sub-key, find the contents of the "DriverDesc" key under the sub-key until you find the identical network card registry information that is identical to the target we look. When you find the correct network card, click the drop-down menu "Edit → New → String", the name of the string "NetworkAddress", you can enter the value on the new "NetworkAddress" string name, you can enter the value. Enter the new MAC address value you specified. The new MAC address should be a 12-bit number or letter, there is no "-", similar to "00c095ecb761".
There are two ways to activate new MAC addresses:
If you use a normal built-in NIC, you must restart your computer to make the changes take effect.
If you are using a PCMCIA card, you can follow the steps below without having to restart the operating system: Run WiniPCFG, select and release the DHCP settings, turn off WinIPCFG. Open the control panel or system tray "PC Card (PCMCIA), stop and pop up the PCMCIA network card. Re-insert the PCMCIA network card, open WiniPCFG, select and refresh DHCP settings, run Winipcfg, and determine that the modified MAC address has taken effect. Win2000 under:
a. Right click on the online neighbor icon on the desktop, select "Properties", in the "Network and Dial-up" window, one is the "New Connection" icon, one is "My Connection" icon . If there are two network cards on your machine, there are three icons. If you have only one network card, just right click on the "My Connection" icon, select "Properties", will come out of a "My Connection Properties" window. There is a "connection time when connecting:" on the top of the picture, below is the network card model on your machine. There is a "configure" button below. After clicking this button, you have entered the network card's property dialog. There are five attribute pages in this dialog, click on the second "Advanced" page, there are two in the "Properties" Item: One is "Link Speed / Duplex Mode", which is the operating rate of the network card, we need to change the following "NetWork Address", click on the item, there are two orders under the "value" mark on the right side of the dialog Option, the default is "do not exist", we only need to select a single option above, then enter the network card MAC address you want to change in the box, click "OK", wait for a while, the network card address will change, you or even No network card!
You can also modify the property page of the NIC to the "Setup Manager".
