Security line Enterprise VPN Firewall shopping guide

Source: Internet
Author: User
Tags access firewall

Security for the Enterprise is an eternal topic, firewall is able to protect the network security of the first line of defense, through the protection of firewalls, can be viruses, trojans, and even malicious attacks shut out, so that the firewall is to protect the security of users indispensable a barrier. The VPN firewall, on the basis of increasing the user's security, has increased the VPN function, which can guarantee the security of the enterprise's internal network and make the users ' remote access more secure. Compared with other network products, the VPN firewall technology content is higher, the price is relatively high, the enterprise purchase need to pay attention to which problems? What kind of VPN firewall is better suited to your needs? The following I recommend a few firewalls, hope to be able to buy a firewall in the enterprise can help.

I. Overview of VPN Firewalls

VPN firewall refers to the firewall that integrates VPN function, we know firewall can enhance the security inside the network, prevent outside illegal user or data through firewall, allow only authorized data pass, VPN firewall can through VPN function, provide a virtual private network on the insecure Internet, This will ensure the security of the confidential data of the enterprise when remote access is ensured. Generally speaking, VPN firewall has the following characteristics:

1, the Management Network user rights: The firewall only allows the authorized user or the data to pass, but the illegal data will be shut out, simultaneously can conveniently monitor the network security, and when the network is affected by the insecurity factor to alarm.

2, NAT address translation: Through the firewall of the NAT technology, can be a limited dynamic or static IP address and internal IP address, to alleviate the shortage of IP address space.

3, virtual private network: VPN firewall through VPN technology, to provide users with virtual private network, so that data can be safely transmitted through the Internet, to ensure the security of enterprise data.

Second, the firewall purchase principle

The firewall is very important to enterprise's security, then when chooses the firewall, needs to pay attention to which question?

1, powerful, guarantee security: The function of VPN firewall must be strong, through the firewall to ensure the security of enterprise data, at the same time, according to the special needs of enterprises, can give a reasonable solution.



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