Virtual Firewall system and the control method for using based on commonness security policy

摘要

virtual firewall system that is based on the public security policy according to the present invention, a packet is received from the outside, security policy determination unit configured to determine the virtual security policy module for the packet; Public security policy database security policies are stored; And contains the local security policy database, and includes a local security policy database, when checking whether the application of the security policies via a common security policy database for the received packet and then through a common security policy database, the security policy applied to a local to include at least one or more virtual security policy modules that do not apply the security policy database, if the protocol-based virtual firewall, only to set up a firewall policy or policies tunneling protocol is enabled on all virtual firewall settings apply to all or repair of the administrator easier is convenient.