Qno xiaonuo five strokes can easily improve VPN Stability

VPN is an indispensable part of enterprise informatization construction. With the popularization of invoicing, finance, ERP, CRM and other software, many small and medium-sized enterprises began to build a VPN environment for the purpose of further remote access. With VPN, branches and mobile users of small and medium-sized enterprises can access the servers of Enterprise LAN through the Internet, which can achieve real-time office effect, you don't have to worry about vulnerabilities or discounts in information security, which is convenient and practical!

Based on Qno's many years of service experience, Qno has been in contact with many small and medium-sized enterprise users. Due to limited manpower, the network management of small and medium-sized enterprise users usually have little knowledge about the basic VPN principles and configurations, and there is no time to review the product manuals one by one. Therefore, when building a VPN, you only need to achieve the purpose of connection and networking. However, with the accumulation of experience, you do not know how to optimize the VPN configuration, in this way, better remote access is achieved.

Next, we will describe the configuration that can be optimized When configuring VPN for small and medium-sized enterprise users. If the network management can pay attention to these configurations, we believe that the stability of VPN can be effectively improved.

1. Select the appropriate VPN Protocol

Most small and medium-sized enterprise network management systems generally prefer to use simple PPTP, rather than complicated IPSec settings. Therefore, multiple users in the same LAN may use the PPTP protocol to connect to the Headquarters VPN gateway. Because the PPTP protocol requires a large amount of computing, coupled with the limited number of PPTP users supported by VPN gateway, if a large number of users are involved, it is easy for new users to join, if the original user is offline, or the user is too many to interfere with each other. If you have no experience in network management, you may find that the VPN is faulty, but you are negligent because of the incorrect VPN protocol.

In short, PPTP is applicable to a small number of remote users and has low security requirements for mobile users, while IPSec is applicable to remote group users and has high security requirements. Therefore, if the branch needs to connect to the headquarters of the company with a large number of servers, IPSec is applicable. IPSec can be used by multiple users as long as a VPN tunnel is established. Therefore, it is much better to build multiple PPTP entries at the same time in terms of computing power usage or stability. The same inference applies to SSL. the SSL protocol is more secure than PPTP and easy to configure. However, when a group of users need to connect to the Headquarters server at the same time, the system resources and Stability of multiple SSL connections are worse than those of IPSec connections.

For users who are afraid of difficulties in configuring IPSec, Qno xiaonuo provides a proprietary SmartLink protocol with simplified configurations like PPTP, which can both establish IPSec connections and save system resources, the advantages of the two protocols are also considered.

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