Implementation method of virtual firewall

A technology of a virtual firewall and an implementation method, applied in the field of virtual firewall implementation, can solve the problems of inability to function as a firewall, inability to solve virtual machine network isolation and control, etc., and achieve the effect of flexible use

Inactive Publication Date: 2015-05-27
长城超云(北京)科技有限公司
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  • Abstract
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Problems solved by technology

The performance of this method is still a physical device, but one firewall can be used as multiple firewalls, but it cannot solve the network isolation and control between virtual machines on the same physical machine, because the virtual machines The communication is completely inside a server and will not flow to the physical firewall, so it cannot function as a firewall

Method used

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  • Implementation method of virtual firewall

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Embodiment Construction

[0025] In order to better understand the technical problems solved by the present invention and the technical solutions provided, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described here are only used to explain the implementation of the present invention, but not to limit the present invention.

[0026] Such as figure 1 In the implementation method of a virtual firewall shown, more than two different virtual machines in the same network are located on the same physical machine, and the virtual machine is a virtual machine without agent service, including the following steps:

[0027] Step 101, setting up a virtualized security system in the same network; setting up firewall rules by the virtualized security system; setting up a virtual firewall module on the same physical machine;

[0028] Step 102, the virtualization security system sets a virtual firewall policy on...

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Abstract

The invention discloses an implementation method of a virtual firewall. Over two different virtual machines in an identical network are positioned on an identical physical machine. The implementation method comprises the following steps that: 101, a virtualization security system is arranged in the identical network, the virtualization security system makes up a firewall rule, and a virtual firewall module is arranged on the identical physical machine; 102, the virtualization security system sets a virtual firewall strategy on the virtual machines according to the firewall rule, and notifies the virtual firewall module of the virtual firewall strategy; and 103, the virtual firewall module generates a physical firewall strategy according to the virtual firewall strategy notification, and the virtual firewall strategy is correlated with the physical firewall strategy in order to implement control of the virtual machines under a physical firewall during communication. Through adoption of the implementation method, secure communication among the virtual machines is implemented; installation of firewall software for the virtual machines is simplified; and the physical firewall is efficiently utilized.

Description

technical field [0001] The invention relates to the technical field of firewalls in computers, in particular to a method for realizing a virtual firewall. Background technique [0002] A firewall is a device that helps ensure information security. It allows or restricts the transmission of data according to specific rules. A firewall can be a piece of dedicated hardware or a set of software built on general hardware. [0003] XenServer is designed to efficiently manage virtual machine servers, providing cost-effective server consolidation and business continuity. XenServer provides all the functions needed to create and manage virtual infrastructure in a cloud computing environment, and is trusted by enterprises , but XenServer is blank in the field of computer technology related to firewalls. [0004] The current firewall is generally a physical firewall, which is a physical device and is generally used in a traditional network environment. Also some manufacturers have l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/46
CPCH04L63/02
Inventor 姜猛
Owner 长城超云(北京)科技有限公司
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