CentOS 6.2 Configure PPTP VPN (based on VPS)

One-click to build PPTP VPN scripts

Download Centos6.2 a key to build a PPTP VPN script

The code is as follows	Copy Code
#wget http://www.hi-vps.com/shell/vpn_centos6.sh #chmod a+x vpn_centos6.sh

Install Centos6.2pptpvpn script #bash vpn_centos6.sh

After the execution there are 1, 2, 3 kinds of English, corresponding to the following Chinese meaning.

1. Install VPN Service
2. Repair VPN
3. Add VPN user

We want to install PPTP VPN, of course enter 1, and then enter the key. Waiting for the installation to complete, will appear the account and password, the default account is a VPN, password is a series of random numbers, the use of their own words do not need to add the account number and password, copy down standby bar.

Fast configuration of PPTP VPN

1. PPTP uses PPP protocol to encapsulate user data, and then encapsulates PPP data frames in IP datagrams and spreads over IP networks. So first you need to support the PPP protocol

The code is as follows

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[Root@chenyi ~]# Yum Install PPP Dependencies resolved =============================================================================================================== = Package Arch Version Repository Size =============================================================================================================== = Installing: PPP i686 2.4.5-5.EL6 base 319 k Transaction Summary =============================================================================================================== = Install 2 Package (s) Total Download size:319 k Installed size:715 K Is this OK [y/n]: Y

2, install pptpd (according to your operating system platform to find the corresponding installation package)

code is as follows

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[root@chenyi ~] # RPM-UVH https://qiaodahai.googlecode.com/files/pptpd-1.3.4-2.el6.i686.rpm Retrieving https:// qiaodahai.googlecode.com/files/pptpd-1.3.4-2.el6.i686.rpm Warning:/var/tmp/rpm-tmp. Hnhmx5:header V3 dsa/sha1 Signature, key ID 862acc42:nokey preparing...                 ########################################### [100%]     1:pptpd                   ########################################### [100%]

3, change the configuration file

The code is as follows	Copy Code
[Root@chenyi ~]# cat/etc/ppp/options.pptpd | Egrep-v "^#|^$" Name PPTPD Refuse-pap Refuse-chap Refuse-mschap Require-mschap-v2 require-mppe-128 Ms-dns 8.8.8.8 Ms-dns 8.8.4.4 Proxyarp Lock Nobsdcomp Novj Novjccomp Nologfd

4. Password configuration file

The code is as follows	Copy Code
[Root@chenyi ~]# Cat/etc/ppp/chap-secrets # Secrets for authentication using CHAP # Client Server Secret IP addresses Itchenyi pptpd Itchenyi *

5, PPTPD configuration file

The code is as follows	Copy Code
[Root@chenyi ~]# cat/etc/pptpd.conf | Egrep-v "^#|^$" Option/etc/ppp/options.pptpd Logwtmp Localip 192.168.70.1 Remoteip 192.168.70.207-217

6, change the kernel configuration, turn on IP forwarding

The code is as follows	Copy Code
#conf file path:/etc/sysctl.conf [Root@chenyi ~]# Sysctl-p Net.ipv4.ip_forward = 1 Net.ipv4.conf.default.rp_filter = 1 Net.ipv4.conf.default.accept_source_route = 0 Net.ipv4.tcp_syncookies = 1 KERNEL.MSGMNB = 65536 Kernel.msgmax = 65536 Kernel.shmmax = 68719476736 Kernel.shmall = 4294967296 Net.ipv4.icmp_echo_ignore_broadcasts = 1 Net.core.somaxconn = 1024

7. Configure Iptables

The code is as follows	Copy Code
Iptables-a input-p tcp-m TCP--dport 1723-j ACCEPT Iptables-a forward-s 192.168.70.0/24-j ACCEPT Iptables-a forward-d 192.168.70.0/24-j ACCEPT Iptables-t nat-a postrouting-s 192.168.70.0/24-j SNAT--to-source

8. Start service ....

code is as follows	copy code
[ Root@chenyi ~]# Service pptpd start