What is the DMZ area
DMZ, the abbreviation of Demilitarized Zone, direct translation is a non-military zone or ceasefire zone, which is to refer to an intermediate public access area (independent network) between the intranet (trusted area) and the external network (untroven area), the purpose While providing online services to the outside, prevent external users from directly accessing the intranet to ensure the security of the internal network environment. This area can generally be accessed by external network users, but can not initiating connection requests to the intranet, the most typical application is an Internet server that provides an open service (such as HTTP, FTP, SMTP, streaming, etc.). . Considering that the host's working nature is closer to the Internet server in the DMZ, the region is often different from the internal network - external network in the firewall protection strategy.
