Abstract
In recent years, Internet technology has matured, has begun to provide
and guarantee from the network connectivity as the main target of the first
generation of Internet technology to provide network data services for the
characteristics of the second generation of Internet technology transition.
These all contributed to the rapid computer networking technology of
large-scale use. As we all know, the world's largest information network
use of, Internet openness of their agreement greatly facilitate a variety
of computer networking to broaden the sharing of resources. However, in the
early design of network protocols on security issues of neglect, as well
as in management and use of the anarchy, the Internet increasingly serious
threat to their security, and its related security incidents happened quite
frequently. Network security threats mainly in: unauthorized access, posing
as legitimate users, damage to data integrity, interfere with the normal
operation of the system, using the Internet spread the virus, line tapping
and so on.Therefore, this paper for the enterprise (Hong Jin corporate
network) architecture network security system, mainly by the use of vlan,
firewall, vpn, virus protection and other technologies to achieve corporate
network security.
Keywords: network, security, VPN, firewall, anti-virus
