A virtual private network (VPN) is defined as a temporary, secure connection through a public network (usually the Internet), a secure, stable tunnel through a chaotic public network. This tunnel can be used to encrypt data several times to achieve the purpose of safe use of the Internet. The virtual private network is an extension of the intranet of the enterprise. A virtual private network can help remote users, corporate affiliates, business partners, and suppliers establish a trusted and secure connection with the company's intranet and secure data transmission. Virtual private networks can be used for increasing mobile users ' global Internet access to secure connections, virtual private lanes that enable secure communication between corporate Web sites, and secure extranet networks that are economically and effectively connected to business partners and users.
Command
sudo pptpsetup--create test--server service address--userhttp://www.aliyun.com/zixun/aggregation/11696.html ">name User name- Password Password--start
If the VPN server does not have special settings (such as encryption) can be connected, not even return an error message, such as
Using Interface Ppp0 Connect:ppp0 <-->/DEV/PTS/5 CHAP Authentication Succeeded LCP terminated by peer (MPPE required but peer) Script PPTP bestfreevpn.com--NOLAUNCHPPPD finished (PID 18395), status = 0x0 Modem Hangup Connection terminated.
MPPE encryption is not enabled.
Network management
Use the Receptacle Manager Graphics management tool for management.
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