linux 搭建 VPN (pptpd )

2019-07-13 08:42发布

1.安装pptpd

[root@VM_0_6_centos etc]# yum install -y pptpd

2.对vpn进行IP段分配

[root@VM_0_6_centos etc]# vim /etc/pptpd.conf localip 193.112.40.37 remoteip 172.16.1.120-200

3.指定DNS写入文件末尾即可

[root@VM_0_6_centos etc]# vim /etc/ppp/options.pptpd ms-dns 8.8.8.8 ms-dns 8.8.4.4

4.配置用户名和密码

[root@VM_0_6_centos etc]# vim /etc/ppp/chap-secrets # Secrets for authentication using CHAP # client server secret IP addresses xingyulin pptpd 123456 *

5、开启IP转发

[root@VM_0_6_centos etc]# vim /etc/sysctl.conf #将“net.ipv4.ip_forward = 0”改为“net.ipv4.ip_forward = 1” # Controls IP packet forwarding net.ipv4.ip_forward = 1

转发生效

[root@VM_0_6_centos etc]# sysctl -p

6.配置转发策略以及开放常用的端口

[root@VM_0_6_centos ppp]# iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE [root@VM_0_6_centos ppp]# iptables -A INPUT -p tcp -m tcp --dport 21 -j ACCEPT [root@VM_0_6_centos ppp]# iptables -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT [root@VM_0_6_centos ppp]# iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT [root@VM_0_6_centos ppp]# iptables -A INPUT -p tcp -m tcp --dport 1723 -j ACCEPT

7、重启pptpd服务

[root@VM_0_6_centos etc]# systemctl start pptpd.service #检查状态active (running)为成功 [root@VM_0_6_centos etc]# systemctl status pptpd.service ● pptpd.service - PoPToP Point to Point Tunneling Server Loaded: loaded (/usr/lib/systemd/system/pptpd.service; enabled; vendor preset: disabled) Active: active (running) since 五 2019-01-04 11:15:53 CST; 4h 17min ago Main PID: 19053 (pptpd) CGroup: /system.slice/pptpd.service └─19053 /usr/sbin/pptpd -f

8.链接vpn测试