Bandwagon Open VPN 服务器搭建 [某喵的鱼塘]

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--- tech:op:openvpn [2018/07/09 17:49:05]
某喵创建
+++ tech:op:openvpn [2018/08/04 00:11:20] (当前版本)
某喵
@@ 行 1: / 行 1: @@
-## Open VPN 服务器搭建
+## Bandwagon Open VPN 服务器搭建
+### CentOS 6
+- 使用搬瓦工 KVM 自动安装（如果提示无法写入 task，需要手动 `chmod 755 /`
+- 下载 Open VPN 配置文件，双击 `.ovpn` 文件可以直接导入 TunnelBlick
+- 将 `.ovpn` 中对应的 ca、cert、key 替换成标签，即可导入手机 Open VPN
+### CentOS 7
+#### 安装
+```
+yum update -y
+yum install epel-release -y
+yum update -y
+yum install openvpn -y
+# 若提示 No package openvpn available，则执行下面命令，再执行 yum update -y
+# yum-config-manager --enable epel
+wget https://github.com/OpenVPN/easy-rsa-old/archive/2.3.3.tar.gz
+tar xfz 2.3.3.tar.gz
+mv easy-rsa-old-2.3.3/easy-rsa/2.0 /etc/openvpn/easy-rsa
+mkdir -p /etc/openvpn/easy-rsa/keys
+```
+#### 生成 keys
+```
+cd /etc/openvpn/easy-rsa
+vi vars
+```
+```
+export KEY_EMAIL="njuzp08@gmail.com"
+export KEY_EMAIL=njuzp08@gmail.com
+export KEY_CN=zhang.vpc.panezhang.cn
+export KEY_NAME=server
+export KEY_OU=panezhang
+```
+```
+source vars
+./clean-all
+./build-ca # enter through
+./build-key-server server # enter through
+./build-dh # a litter long
+cd /etc/openvpn/easy-rsa/keys
+cp dh2048.pem ca.crt server.crt server.key /etc/openvpn
+```
+```
+cd /etc/openvpn/easy-rsa
+./build-key client
+cp /etc/openvpn/easy-rsa/openssl-1.0.0.cnf /etc/openvpn/easy-rsa/openssl.cnf
+```
+#### 配置
+```
+vi /etc/sysctl.conf
+```
+```
+net.ipv4.ip_forward=1
+```
+```
+sysctl -p
+iptables -t nat -A POSTROUTING -s 10.10.10.0/24  -j MASQUERADE
+iptables-save > /etc/sysconfig/iptables
+```
+```
+vi /etc/openvpn/server.conf
+```
+```
+dev tun
+server 10.10.10.0 255.255.255.0
+ifconfig-pool-persist ipp.txt
+ca ca.crt
+cert server.crt
+key server.key
+dh dh2048.pem
+push "route 10.10.10.0 255.255.255.0"
+push "redirect-gateway def1 bypass-dhcp"
+comp-lzo
+keepalive 10 60
+ping-timer-rem
+persist-tun
+persist-key
+group nobody
+daemon
+```
+```
+scp /etc/openvpn/easy-rsa/keys/ca.crt
+scp /etc/openvpn/easy-rsa/keys/client.crt
+scp /etc/openvpn/easy-rsa/keys/client.key
+```
+zhang.ovpn
+```
+client
+remote {IP/DOMAIN} 1194
+dev tun
+comp-lzo
+ca ca.crt
+cert client.crt
+key client.key
+route-delay 2
+route-method exe
+redirect-gateway def1
+dhcp-option DNS 8.8.8.8
+dhcp-option DNS 8.8.4.4
+dhcp-option DNS 4.2.2.1
+dhcp-option DNS 4.2.2.2
+verb 3
+```
+```
+pcli-ovpn -f zhang.ovpn > zhang-full.ovpn
+```
+```
+systemctl -f enable openvpn@server.service
+systemctl start openvpn@server.service
+systemctl status openvpn@server.service
+```
+#### 常用命令
+```
+systemctl start/stop/restart openvpn@server.service
+```
+### Ref
+- https://www.digitalocean.com/community/tutorials/how-to-set-up-and-configure-an-openvpn-server-on-centos-7
+- https://www.howtoing.com/how-to-setup-and-configure-an-openvpn-server-on-centos-7

最后更改: 2018/07/09 17:49:05
由某喵