Our school has recently bundled the Mac and IP, and on the server (Win2K) on the Internet time limit, really annoying people, I think I was a person who never restricted ah, how can it be so quietly! The ancient words good "has the policy, has the countermeasure", then I will come to kill it, said dry.
The principle is as follows:
Mac and IP bundles are on the server, so what do you think the scope of the action should be? Of course, only in the server on the client, but if I modified the IP on the client, what about the server? If you already think of this, then you have already cracked the bundle with the theory.
The steps are as follows:
1, first to explore the scope of IP and limited IP range, if the IP is 172.16.xxx.xxx,mac is 52-54-ab-12-34-56, then the IP range should be in 172.16.0.1-- 172.16.255.255, I think it's impossible to bundle up, otherwise you'll have to wait for die.
2, to 172.16.0.1--172.16.255.255 to do a complete scan, in case of unnecessary trouble (IP conflict), caused the attention of network management, so no matter.
3, find no one to use the IP, from 172.16.255.255 to 172.16.0.1 find, because the general network management is from the 172.16.0.1 began to use, behind the general no use, the breach is here.
4, in the Network Neighborhood-> attribute->tcp/ip attribute fixed just got the IP address, 95/98/me please see the 5th step, 2K, XP to complete, open IE try it, and fly on the Internet.
5, in the 95/98/me system to modify the IP, will prompt to reboot, in case the machine installs the restore card or the similar product only does not reboot, then is in My Computer-> attribute-> the network card-> first disables then enables (needs to wait for a while)-> determines, now opens IE to try, also already can .
To complete the break
Workaround:
Install the ISA class of proxy service software for management, the safest is to divide the VLAN, but the switch has to support the line.
Interested or have other ideas come up to say, in the next very welcome.
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