shadowsocks vpn

For remote Wan users, the virtual private network (VPN) should be a secure connection, but many enterprises question the security of VPN due to many obvious vulnerabilities. Rainer Enders is the CTO of NCP engineering responsible for VPN security in the Americas. In this article, we will learn how a VPN security vulner

Detailed explanation of VPN technology (on) Lu Xiaopo Introduction A virtual private network enables the connection of components and resources across different networks. Virtual private networks can use the Internet or other public Internet infrastructure to create tunnels for users and provide the same security and functionality guarantees as private networks. (Figure 1) A virtual private network allows a remote communication party, salesperson

This article describes how to build a PPTP VPN service on a Xen VPS that installs the CentOS operating system. Includes the installation, configuration, and corresponding iptables rules for PPTP. This article temporarily does not involve the PPTP traffic control part, waits for the time to learn to understand the Freeradius, then writes the sequel. July 20, 2011 Update: In the security recommendations section, there is an increase in the use of differ

is introduced, the ATM exchange uses the routing protocol to exchange layer-3 routing information with other devices. 　　 Label structure: 　　 　 The label field of 20 bits is used to indicate the label value. Because the label is fixed length, you can analyze the label of a vro to forward data packets. This is the biggest advantage of label exchange, the Fixed Length Label means that data forwarding can be implemented using hardware. This hardware forwarding method is much more efficient than

Configure point-to-point VPN on CentOS A Traditional VPN (such as OpenVPN and PPTP) is composed of a VPN Server and one or more clients connected to this server. When any two VPN clients communicate with each other, the VPN Server needs to relay the

NAT and ipsec vpn of link Balancing Devices (1) when implementing a new link Load Balancing Project, the user's previous egress devices are usually firewalls, if the organizational structure of a user is distributed, it is often necessary to build a security tunnel to communicate with the headquarters or branches over the internet through the ipsec vpn. In this case, the firewall is used as an egress device

When a network fault occurs, how to quickly locate the fault point is a basic indicator for evaluating the capabilities of a network administrator. Today, I will share with you how to quickly locate vpn Router faults and provide some ideas for you to solve network faults. I take the cisco vpn Router as an example here. After all, people are the leader in the vpn

When implementing a new link Load Balancing Project, users often use firewalls as their egress devices. If the user's organizational structure is distributed, it is often necessary to build a security tunnel to communicate with the headquarters or branches over the internet through ipsec vpn. In this case, the firewall is responsible for the maintenance of the ipsec vpn tunnel in addition to serving as the

Interesting ipsec vpn connection ConfigurationI. Level 1: PIX-PIXThe customer proposed to look at a vpn model. In view of the demonstration nature, the requirements were not high, nor did the customer propose the requirements for negotiation parameters and network structures, we chose cisco pix, a popular vpn device, for point-to-point communication.For hardware

Now there are still a lot of VPN Router applications, and the market demand is also very high, so I studied the VPN Router's questions about VPN multi-channel bundling, here I will share with you, I hope it will be useful to you. VPN (Virtual Private Network) technology is of great help and considerable economic signif

Virtual private Network (VPN) provides secure connections, but many problems may occur. The following are some situations and suggestions for handling them.The user cannot access the file server.If the user can access the file server through an IP address but not by name, the most likely cause is the domain name resolution problem. It may be due to a problem with NetBIOS or DNS host name resolution. If the client operating system uses NetBIOS, the

Soft routing is an additional feature of PacketiX VPN.PacketiX VPN has always been used as a selling point as a professional VPN product. In addition to this function, PacketiX VPN can also be used as a soft route, this function is very similar to Microsoft's [Routing and Remote Access] function. It not only supports VPN