Anyone who knows me is worried about the full access to the hardware firewall

With the rapid development of the Internet, network security issues are getting more and more attention while the network is getting closer and closer to our lives. In this environment of network development, security issues on the network will emerge. At present, the market is also filled with a variety of security products: anti-virus software, hardware _ blank "> firewalls, intrusion detection systems, content isolation systems, and so on, _ blank "> as one of the most important security technologies to ensure network security, firewall has a vast share of the network security product market thanks to its own advantages. However, in the _ blank "> firewall market, in addition to several high-profile brands, there have also been a lot of new expensive to provide users with more choices.

Technically speaking, _ blank "> the higher the physical performance of Firewall Products, the stronger the network processing capability, and the more efficient the network can process data. In principle, it is the first choice for users, but _ blank with high physical performance> firewall prices are much higher. Compared with some enterprises, expensive prices are not acceptable to any enterprises, therefore, when using the _ blank "> firewall, consider it as needed.
Tian Rongxin network guard _ blank "> firewall 4000-uf

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_ Blank "> the firewall-UF is particularly suitable for backbone gigabit network environments of large and medium-sized enterprises with complex network structures, rich applications, high bandwidth, and high traffic. A secure, efficient, reliable, widely used, convenient, and flexible firewall system is built using 6g system data bus structure and a large number of original patented technologies; at the same time, it provides customers with the best performance and function guarantee. In addition, it provides mature implementation and supports the topsec protocol and system of tianrong.

This service uses a dedicated hardware platform and a dedicated security operating system, a session detection-based _ blank "> firewall implementation mechanism, and a session Detection Technology (core detection) based on the operating system kernel ). The hardware supports flexible expansion of interfaces, which can adapt to business development needs and protect investment.

_ Blank "> the physical interface of the firewall implements the d0t1q Encapsulation Format, which can be connected to the trunk interface of the switch and implement the routing function between VLANs, ensures the accessibility of the firewall to various network environments. Two-way Network Address Translation (two-way Nat) technology is used to support static Nat and dynamic NAT (IP pool), one-to-one and one-to-many address ing, and VPN is supported, use the 128-bit symmetric encryption provided by the national-certified Hardware Encryption CardAlgorithmAnd 128-bit hash algorithms. Identity Authentication uses a 1024-bit asymmetric algorithm.
Cisco Secure PIX-525-R-BUN

I believe everyone knows about Cisco, the famous Cisco. Cisco Secure PIX 525_blank "> firewall is part of the world's leading Cisco Secure pix_blank series, it provides full _ blank "> firewall protection and ip_blank> Security (IPSec) Virtual Private Network (VPN) capabilities, which makes it particularly suitable for protecting the boundaries of enterprise headquarters.

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Cisco Secure PIX 525-r-bun using NAT technology has the advantages of saving IP addresses and expanding network address space. The IP address of the internal network is converted, while the structure of the internal network is hidden from the external network, making it more difficult to launch an attack on the _ blank> LAN. Supports a variety of network interfaces, including single-port or 4-port 10/100 fast Ethernet, Gigabit Ethernet, 4/16 ring, and dual-connection multimode FDDI card. In addition, the PIX 525 provides a variety of power options for users to choose either AC or 48 v dc power supply. Each option is equipped with a pair of products for the second "failover" pix system to achieve the highest redundancy and high availability.

Cisco Secure pix_blank "> firewall provides unprecedented security protection capabilities. Its core protection mechanism is to provide an adaptive security algorithm (ASA) for static connection _ blank"> firewall functions ). Although static security is relatively simple, it is more powerful than packet filtering. In addition, compared with the application layer proxy _ blank "> firewall, it has higher performance and higher scalability. The ASA can trace source and target addresses, Transmission Control Protocol (TCP) serial numbers, port numbers, and additional TCP flag for each packet. Access is allowed through Cisco Secure pix_blank "> firewall only when a correct connection has been established. In this way, Authorized internal and external users can access enterprise resources transparently, while protecting the internal network from being attacked by unauthorized access.

In addition, the real-time embedded system can further improve the security of the Cisco Secure pix_blank "> firewall series. Although the UNIX Server is an ideal open development platform that widely uses open source code, general operating systems cannot provide the best performance and security. The dedicated Cisco Secure pix_blank "> firewall is designed for security and high-performance protection.

NetGear fr328s_blank "> Firewall

Fr328s built-in _ blank> Backup serial port _ blank "> the firewall integrates the routing function to provide users with Internet network sharing through cablemodem or dslmodem. It has 8 built-in 10/100 M Adaptive Ethernet Switching interfaces and is integrated with 1 RS-232 serial interface at the same time. The built-in serial port can provide a backup connection for an external ISDN or analog modem. Therefore, if your broadband connection fails, the network will not stop running.

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High-speed CPU means faster throughput. Because the _ blank "> firewall is configured with a 150 MHz mips32 core processor, it supports six times the WAN-to-_ blank> LAN throughput of other common routers. The IPSec-based VPN channel can maximize network _ blank> Security through access control and encryption. Fr328s_blank "> the firewall provides Denial of Service (DoS) Protection and _ blank> Intrusion Detection for your network by using dynamic packet inspection (SPI), logging, reporting, and real-time alarms. The Network Address Translation (NAT) Route and VPN channel can securely share your broadband connection with multiple computers.

Neteye_blank "> firewall 3.2.1

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Neteye_blank "> the hardware of firewall 3.2.1 adopts the equipment specially designed and manufactured by Intel for Neusoft. The hardware architecture fully adopts the Intel standard for carrier-level servers and the key components of the equipment, memory, power supply, and other components are completely redundant. This ensures high system reliability. Neteye_blank "> firewall 3.2.1 provides an in-band and out-of-band dual control channel, which provides a dual-host Hot Standby automatic switch function that takes up to one second, ensuring the network will never stop.

The flow filter mechanism is a major feature of neteye_blank "> Firewall 3.0 retains this feature and further optimizes its performance and stability, neteye_blank "> the flow filter engine of firewall 3.2 is optimized to further improve the performance and stability. It also enriches the application-level plug-ins and the _ blank> Security Defense plug-ins, it also improves the development speed of corresponding plug-ins. Network security itself is dynamic, and its changes are very rapid. Every day there may be new attacks. The security policy must be able to dynamically adjust with the emergence of attack methods so as to dynamically protect network security. The status package-based stream filtering architecture dynamically protects network security. Enable the neteye_blank "> firewall to effectively defend against various new attacks and dynamically safeguard network security.

Using e-Key to store keys makes key management more secure. At the same time, the support for IC card key storage is maintained. Add the e-key encryption method. _ blank "> the systems of various Firewall Products detect their own system configurations and automatically select the corresponding encryption method.

Core selling point: neteye _ blank "> the flow filter architecture adopted by the firewall inherits the features of the package filter _ blank"> firewall and application proxy, making it easy to deploy. At the same time, due to the close combination of the application layer security policy and the network layer security policy, it can play the same protection role in any deployment mode. Stream filtering technology provides high-performance, scalable, and transparent protection for application layer protocols.