Christina Wu | The first layer security protection provided by the router to achieve router
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The first layer security protection provided by the router to achieve router

We are the only one site can offer demo for almost all products. Cisco Certification Exams And Successful CaseThree-dimensional defense 300-320 -100% free of subnet segment: the head office data center deploys double redundant PIX535 fire wall, divides the head office network into multiple isolation 300-320 -100% free network segments: internal functional network, external network, INTERNET, etc.The isolation of firewall prevents security problems 210-065 exam dumps such as cross-network attack and internetwork interference. Meanwhile, the scope of virus infection can also be effectively controlled, 300-320 -100% free which greatly improves the security of each network segment.The core switch of the 210-065 exam dumps business network USES two Catalyst6500 high-performance switches with IDS module to enhance security monitoring of the business network through IDS module.OA network is a key part of security and a major part of internal security risks. Therefore, OA network USES two Catalyst6500 high-performance switches with IDS and Firewall modules.The Firewall 300-320 -100% free module 300-115 guides enables security isolation between virtual lans, which is 300-115 guides important for large OA 300-320 -100% free networks.Guangdong development bank network system, including the head office data center and branch network, 300-115 guides all need with the Internet, online banking, a shekel of silver coupon, and pedestrian liquidation, and other public information network interconnection, because these public information network is a completely open to the public information 300-320 -100% free resources, so the network interface as 300-320 -100% free the most vulnerable to hacking and require special safety control, provide reliable security.Therefore, Cisco has adopted the current advanced Cisco PIX 300-320 -100% free firewall products and advanced and reliable firewall technology to provide reliable security protection for the entire network system.PIX of NAT (Network Address Translation) function for guangdong development bank Intranet Address Translation 300-115 guides of each workstation provide dynamic or static gain 300-115 guides legal external Address, such as well as to hide the internal Network, and can save the Address resource.In order to improve network reliability and eliminate single point of failure, cisco took measures to connect two PIX firewalls with a Failover cable to perform a two-machine thermal 300-115 guides backup.Firewall as 210-065 exam dumps the only export bank internal network, with the Internet and other public information network interconnection security control, at the same time for each workstation to access external information network within the network address translation 300-320 -100% free (NAT) function.The switch USES MAC address filtering for security 210-065 exam dumps control, allowing only specific hosts to enter the PIX.The router is connected through multiple 210-065 exam dumps wan ports and provides certain security control to prevent illegal access and operation.In order to strengthen the control and management of the whole network, deployment of the ACS and Cisco for guangdong development bank access control server and 210-065 exam dumps security Policy Manager (Cisco Secure 300-320 -100% free Policy Manager), using CSPM powerful strategy 300-115 guides management infrastructure, users can bank on 300-320 -100% free the network security products for scalable, unified management.

Hierarchical integrated defense: cisco SAFE that successful security solution should adopt integrated protection on the 300-115 guides network infrastructure, and not only consider some special safety equipment.As a result, cisco has integrated security capabilities into its various network products to ensure that the entire network is fully 300-115 guides integrated and three-dimensional.Guangdong development bank has implemented such a three-dimensional integrated security defense.Take the guangdong development bank’s outreach network system, for example, which USES three layers of integrated security protection, including routers, firewalls and switches.1, the first layer security protection provided by the router to achieve router in Internet/extranet wan connection of 210-065 exam dumps public information network, such as DNS server with guangdong development bank, the WWW server and E-mail 300-115 guides servers 300-320 -100% free located in external PIX firewall, with these servers as part of the opening to the outside world, the ministry 210-065 exam dumps of internal and external users to provide the corresponding services, its itself also become a 300-320 -100% free part of the public information network.These servers in order to provide effective security, prevent the outside of the user to the illegal operation of the server, the server, delete, 210-065 exam dumps modify, or the content, should be carried out to external access can strictly control.With the firewall function of Cisco router, the operation of external users on the servers can be restricted to prevent the servers from being damaged from the outside.2. The second layer of 210-065 exam dumps security protection is protected by PIX firewall, which completely separates the internal network of enterprises from the external network. PIX is the only outlet 300-115 guides for the internal network subsystems.By using PIX firewall to isolate the internal and external 210-065 exam dumps network, the security of the internal network is further guaranteed.PIX provides a complete record of all access, including illegal intrusion attempts.PIX realized from the network layer to application layer security protection, can be based on packet source address, destination address, TCP port Numbers and packet length on the communication control, as a move method to access is prohibited.3, the third layer 210-065 exam dumps security protection provided by 210-065 exam dumps the LAN switches Catalyst 6500 core switches deployed IDS and firewall module, 300-115 guides monitoring the safety of the complex intranets effectively, is the third barrier against external attacks to prevent, is a good method to prevent internal attacks.Another Catalyst 300-115 guides series switches have MAC address filtering function, therefore can be defined according to the need to switch each port, only allow specific MAC address of the workstation through the specific port access, port to communicate with the connection PIX.Due to 300-320 -100% free the uniqueness of the MAC address and not configured, this kind of control, in fact, from hardware to control a specific machine, compared with the IP address filtering, this protection has 210-065 exam dumps higher security.Through the above three layers of security protection, guangdong development bank network system to realize the reliable from link layer to application layer security control, have the 300-320 -100% free effect to prevent illegal access external, has the very high security.Reading this wasn’t the first time 300-115 guides I’ve paused to consider whether my heart’s and my people’s infatuation with autumn is not a 210-065 exam dumps worldly indulgence. The promise of the Kingdom is fullness of life, not pretty 300-115 guides 210-065 exam dumps death. Halloween 300-320 -100% free just means “the night before the Saints” and all the gruesomeness on display represents the demons coming out one last night before the Saints arrive and drive them all 300-115 guides away. A Christian may secretly treasure the festival for that reason, but how can she join in when her place is not with the demons and decay, but with the Saints and salvation? Whence this covert delight in the season’s celebration of fear and death?

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