ISA Server does not provide control functions for the MAC address, Why? This is because the MAC address can only be used in the local network, when data packets across the router, the host in the packet source MAC address of the router the MAC address of the outbound interface instead, this time, use the MAC address The control does not apply. So long as the enterprise-level hardware or software firewall, have basically no control functions of the MAC address.
But Microsoft has also long been take into account this point, in Windows, if you install the TCP/IP network protocol component, then you can execute commands ARP. The ARP command is to look at the machine's ARP cache, static binding of IP address and MAC address and delete the static binding entry. In fact, the intention to bind the IP address and MAC address in order to reduce the ARP broadcast traffic, and only can use this function to control the use of IP addresses. Read more
Three methods to improve the performance of the NTFS file system
One of the advantages of the use of NTFS partition as a folder to set different permissions, so that distribution according to need, so that security is improved, and higher performance in order to allow the windows to NTFS file system, we have the necessary NTFS the file system have the necessary optimization.
1.Turn off access time scale.
We open the NTFS partition as a file attribute, file creation time, modification time and last access time can be seen in the "General" tab. If the file number of the sub-region and multi-directory structure, so each time you access or modify the time scale information will be updated. We can modify the registry to prohibit update of the operation.
Run "regedit" to open the Registry Editor, then locate the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem, double-click the right side of Ntfsdisablelastassessupdate ,set its value to" 1 ".
2. Prohibit the 8.3 name format.
In the earliest days of Windows operating system, especially among the DOS system, the file name has been taken to the 8.3 format. Windows XP NTFS partition, do not have this limitation. However, we switch to the command prompt window, you will find the file name of the Lord than 8 characters will be replaced by the ~ symbol. We can be found in the registry above key NtfsDisable8dot3NameCreation, its value is set to 1, so that you can prohibit the Windows XP NTFS partition applications 8.3 format.
3.Optimize the Master File Table.
Master file table to save the index information file on disk, with the increasing number of hardware file, master file table storage space will grow inevitably debris. In this regard, we also can modify the registry to increase the storage space in order to avoid frag mentation.
Open the Registry, find the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem, double-click the NtfsMftzonereservation Dword key and set its value to 3 or 4.