Firewall is a kind of high performance hardware firewall, compared with other hardware firewall has essential difference.Actually,other hardware firewall is running a software firewall on PC platform, and the firewall is by ASIC chip to carry out the strategy of firewall and data encryption, so it's much faster than other firewalls. From software features, the firewall is a combination of state detection and application agent, for most of the applications of a firewall is monitoring the whole communication state, if the communication state is found to be abnormal, it wil refuse to enter a protected internal network, for FTP or H322 and other communication status is not well tracked service,the firewall by applying the agent to ensure the security of the service.
Introduction of the project
Effect of Solution
Lenovo network royal technology (Beijing) co. LTD. has three Ethernet interfaces: DMZ interface, Trust interface and Untrust interface. As shown in the figure, the Trust interface connects to the protected Intranet, Untrust connects to the external network (such as the Internet), and the DMZ interface connects the company's external servers such as Mail server and WEB server and so on. From the security level, Trust interface is the most secure, DMZ second, and finally Untrust. Because of considering the influence of safety factor, this scheme uses the network card LREC9712HT-BP is from Shenzhen Lianrui Electronics Co., Ltd, it is a gigabit optical fiber network card, which can easily realize the load balancing and data stable transmission of the data.
LREC9712HT-BP is a PCI Express x4 Dual Port Copper(RJ45) Gigabit Bypass Server Adapter based on Intel I350AM2 Chipset, independently researched and designed by Shenzhen Lianrui Electronics Co., LTD.LR-LINK’s LREC9712HT-BP Dual
Port Gigabit Ethernet Bypass server adapter supports Normal, Disconnect and
LREC9712HT-BP is developed based on Intel I350AM2 two-port Ethernet MAC + PHY (media access controller and the physical interface transceiver) controller, the highest in one billion Ethernet connections at the same time allow two ports to work full-duplex mode to adapt to the high performance network communication, can through the link aggregation extension bandwidth and PCI Express channel resources can be saved and without bus bandwidth.LREC9712HT-BP also support PCI-SIG
Single-Root I/O virtualization and sharing
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