vpn on digitalocean

SSL BasicsWhen most of the current remote access solutions use a VPN Network Based on the IPSec security protocol, A new study shows that almost 90% of enterprises use VPN for Intranet and external network connections only for Internet access and email communication, in addition, 10% of users use non-Internet applications such as X11, chat protocols, and other private client applications. These 90% applicat

Various iOS devices (iPhone, itouch, and iPad) use their own VPN servers to access the Internet and leave the proxy alone. Device used for testing: Windows XP Computer + iPad Available places: for example, in the school living area, connect to the VPN Server set up by yourself in the teaching area to access the Internet (of course, if you have the permission to involve these machines, you should not bothe

The full name of VPN is "Virtual Private Network ). As the name implies, a virtual private network is a virtual private line within an enterprise, it can establish a temporary and secure private communication line between two or more intranets located in different places on the Internet through special encrypted communication protocols. A Virtual Private Network is an extension of the enterprise intranet. It can help remote users, branches, business p

VPN is one of the most important technologies in the access network. As the access network technology continues to develop, VPN is also evolving to meet more user needs, it brings people a convenient and fast network environment. The emergence of VPN is no longer overnight. From IPSec to SSL, VPN has undergone a lot of

The 1,ipsec VPN application is more and more extensive, the following configuration instance is to the single headquarters multiple branch organization actual application According to the configuration of this article, we can achieve the maximum VPN connectivity through the minimum number of VPN tunnels, the network topology is as follows: As shown above, the

I have a lot of friends because the working relationship is often mobile office, so the transfer of information, and the company information in a timely manner or tired to open a company or home computer to see movies and so on application appears very headache. This application means secure network communication over the Internet, sharing resources. and want to achieve this kind of demand, actually already had the best way to--vpn. A

In the real world, we often meet the company's branch offices to visit the company's headquarters or outside the business trip to the company intranet, this time need to be in the branch office or external staff and corporate headquarters to build a dedicated network. Traditional network interconnection schemes have the disadvantages of high cost, poor security and not easy to extend network. At this time, a VPN (virtual private network Network) netwo

With the development of China's routing industry, VPN routers are also widely used. Here we mainly recommend a cost-effective enterprise-level Linksys VPN Router, linksys's network device products have a good reputation among users. Small and medium-sized enterprises pay great attention to the product cost-effectiveness when purchasing VPN Router products. Links

Using the Internet egress line to establish a VPN channel to achieve the interconnection between the total and branch offices is currently a popular solution for many companies. In the past, to establish such a VPN, at least one end must use a static IP address. Currently, many companies use the ADSL method to access the Internet. If China Telecom is required to provide static addresses, the cost will be gr

Centos-VPN refers to the local area Network configuration and the full name of VPN is "Virtual Private Network", which is translated as "Virtual Private Network ". As the name suggests, we can regard a virtual private network as an internal private line of an enterprise. It can establish a proprietary communication line between two or more enterprise intranets connected to the Internet in different places t

As a Linksys VPN Router, its performance and characteristics are very suitable for small and medium-sized enterprises. The following describes how to purchase the Linksys VPN Router standard. There are only a handful of well-known brands in the wireless network market, and it seems that there is no fierce war of words, and consumers often ignore the product to catch up with fashion. Hanging up a certain bra

VPN is an indispensable service for all Internet enterprises. Its existence greatly facilitates our office efficiency. When a Server failure occurs, engineers no longer need to take a taxi to the company to handle the problem. They can dial up and connect to the company at home, so they can handle the problem easily and happily. Of course, what I am talking about here is not a hardware device fault. If it is a physical fault, you still have to take a

Many enterprises build a VPN to build VoIP to achieve better call quality. However, after the establishment, only the VoIP contacts between the external and the central points can be established, and the communication between the external and external points cannot be established. This is because IPSec VPN is point-to-point communication and does not allow external nodes to communicate with each other. Ther

#!/bin/bash function Installvpn () {echo "Begin to install VPN services";#check Wether VPS Suppot PPP and TunYum Remove-y pptpd PPPIptables--flush postrouting--table NATIptables--flush FORWARDRm-rf/etc/pptpd.confRm-rf/etc/pppArch= ' Uname-m 'wget http://www.hi-vps.com/downloads/dkms-2.0.17.5-1.noarch.rpmwget http://wty.name/linux/sources/kernel_ppp_mppe-1.0.2-3dkms.noarch.rpmwget http://www.hi-vps.com/downloads/kernel_ppp_mppe-1.0.2-3dkms.noarch.rpmW

1. Environment Fedora 16: automatically connect to the Internet through the vro, and the machine can connect to the Internet through the route. For details, refer to PacketiX. NET vpn client installation on linux.The previous steps in this document are correct. Due to some routing configuration problems, the VPN Server cannot be connected according to its configuration. Therefore, do not execute dhclient vp

There are many methods for setting up a vpn Server on ubuntu with a single Nic, including PPTP, L2TP/IPSec, and OpenVPN. Among the three methods, the latter two have better security, but the configuration is troublesome. OpenVPN also requires additional clients on the Windows/Mac platform. Although the L2TP/IPSec method is better, after I configure it, although Windows and Linux users have no problems, Mac/iPhone cannot be connected, PPTP is the easie

Install pptpd VPN in Centos 6.5x64 This tutorial applies to Openv VPS, Xen VPS, or kvm vps. 1. Run the following command: Cat/dev/net/tun The returned value must be: Cat:/dev/net/tun: File descriptor in bad state Run: Cat/dev/ppp The returned value must be: Cat:/dev/ppp: No such device or address If these two results are not returned, contact the VPS customer service to activate the ppp and tun permissions. Ii. Download

Set up IPSec VPN in CentOS 6.31. install required Libraries CentOS:1yum update2yum install pam-devel openssl-devel make gcc 2. Download strongswan and decompress it (* indicates the current Strongswan version number)1 wget http://download.strongswan.org/strongswan.tar.gz2tar xzf strongswan.tar.gz3cd strongswan -* 3. Compile Strongswan:Xen and KVM use the following parameters:1./configure -- enable-eap-identity -- enable-eap-md5 \2 -- enable-eap-mschap

Of course, VPN is far more useful than this, such as game agents. The following describes how to set up a VPN under Windows. Hope to help you. Preparations: windows firewall (windows firewall/internet connection sharing (ICS) must be stopped (or port 1723 is allowed); remote Registry (remote Registry) must be enabled; server must be enabled; Routing and Remote Access must be enabled. If the server uses a L

VPN (Virtual Private Network) is an extension of a Private Network. It can simulate a point-to-point Private connection through a shared Internet or public Network connection, send data between a local computer and a remote computer.It has good confidentiality and is not subject to authorization, so that both parties can establish a free and secure point-to-point connection.There are two common VPN services