zz Ubuntu下安装openvpn

Jan 13, 20129

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This is a guide on how to install openvpn on Ubuntu. It provides instructions on installing openvpn using the command "apt-get install openvpn" and also includes steps for building keys and configuring the server and client. It also provides a script for configuring iptables.

Ubuntu 下安装 openvpn 很简单 apt-get install openvpn 即可

之后就是 build key 和服务器、客户端配置，此处参考 openvpn 维护

服务器端的 DNS 相关信息可以从 /etc/resolv.conf 中取得
安装完 openvpn 下面的部分保存为～/iptables-init.sh，然后运行即可

iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE
iptables -A INPUT -i lo -p all -j ACCEPT
iptables -A INPUT -p all -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A INPUT -i tun+ -j ACCEPT
iptables -A FORWARD -i tun+ -j ACCEPT
iptables -A INPUT -p tcp -m tcp --dport 465 -j ACCEPT
iptables -A INPUT -p tcp -m tcp --dport 110 -j ACCEPT
iptables -A INPUT -p tcp -m tcp --dport 25 -j ACCEPT
iptables -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
iptables -A INPUT -p udp --dport 1194 -j ACCEPT
iptables -A INPUT -s 10.8.0.0/24 -p all -j ACCEPT
iptables -A FORWARD -d 10.8.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT