pptp vs openvpn

OpenVPN is another VPN software package different from PPTP and L2TP. it is based on ssl vpn. The use of OpenVPN requires client support. Here the system is CentOS6.2. I. check the environment required by OpenVPN. OpenVPN requires support from TUN devices and nat module supp

Mud: openvpn configuration file details, openvpn configuration file This document consistsXiuyi Lin FengProviding friendship sponsorship, first launchedThe world In the previous article "build OpenVPN server in ubuntu 14.04", we mainly explained how to build and use openvpn. In this article, we will detail the config

application, such as OpenVPN, is a good open-source software. Our products provide PPTP and OpenVPN applications. PPTP is mainly used by users who often go out for mobile or home office work; openVPN is mainly used for non-stop on-demand VPN connections between companies in

creating on-demand, multi-protocol, and virtual private networks through public networks (such as the Internet. PPTP allows encrypted IP communication, and then encapsulates it in the IP header sent across the company's IP network or public IP network (such as the Internet. The typical open-source software for linux is pptpPPTP (Point to point Tunneling Protocol, Point to point tunnel Protocol). The default port number is 1723, which works on the sec

The first bottleneck of openvpn is that the Tun character device reads and writes frames at one link layer. The reason why the user-mode openvpn process must have the same link-MTU on both ends, it is because each time openvpn reads a complete Ethernet frame from the/dev/NET/TUN character device, there are not many, and the library interface: ssize_t read (int fd

OpenVPN is another VPN software package different from PPTP and L2TP. It is based on ssl vpn. The use of OpenVPN requires client support. Here the system is CentOS6.4.I. Check the environment required by OpenVPNOpenVPN requires support from TUN devices and the nat module of iptables.1. Check the TUN module:Modinfo tunShown as follows: If an error is reported, the

OpenVPN-ng: The application-layer tunnel for Mobile Life, And openvpn-ng Application LayerVPN makes people think that it is always a good thing and a way to escape from supervision. In fact, VPN has become the only synonym for escaping from supervision. You see, no matter what technology, IPSec, or WEB Proxy, as long as it is the technology that encrypts the original information, it can all be called VPN, s

It is said that now PPTP, L2TP and so on are not very good, and the OpenVPN sometimes seemingly also do not connect (for example, the previous article, on many people can not connect to the reaction installed), this article is about using the OpenVPN Access server free version to build an anti-jamming VPN; OpenVPN