1, What A DMZ is?
English full name of the "Demilitarized Zone", Chinese meaning is "Quarantine." In particular meaning in the field of security is "the area between the internal and external network firewall."
2. What do DMZ?
The DMZ is a buffer to store some public servers in the DMZ area, such as forums.
Users from outside the network to access the service, in theory, can be placed in the DMZ.
Unidirectional network can access the DMZ, the external network may be a one-way access to the DMZ.
3, why set the DMZ?
For security (ha ha!). Imagine you, if your company's internal network can be accessed from the Internet, then there is also what is safe? But some external services must also be accessible from outside the network, in this case "DMZ zone" came into being.
DMZ area is an area, she provides the location of external storage server, with security, but also have convenient . By the DMZ can deepen understanding the following layout:
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