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linux vps安装OpenVPN详细教程

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发表于 2017-2-27 20:05:57 | 显示全部楼层 |阅读模式

  具体安装OpenVPN的过程如下:
  安装RPMForge:
  下载rpmforge-release
  i386: http://apt.sw.be/redhat/el5/en/i386/RPMS.dag/rpmforge-release-0.3.6-1.el5.rf.i386.rpm
  x86_64: http://apt.sw.be/redhat/el5/en/x86_64/RPMS.dag/rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm
  导入KEY
  rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
  安装
  rpm -i rpmforge-release-0.3.6-1.el5.rf.*.rpm
  测试
  yum check-update
  安装OpenVPN:
  可能系统之前没有安装openssl相关组件,先安装下
  yum install openssl openssl-devel -y
  然后再安装openvpn
  yum install openvpn -y
  根据提示会下载几个相关的软件包,一路按y确定就可以了。
  生成证书和key:
  find / -name easy-rsa #搜索easy-rsa目录
  #一般会在下面的目录中找到
  cd /usr/share/doc/openvpn-2.0.9/easy-rsa
  . vars #注意:点和vars之间有个空格
  chmod 777 *
  ./clean-all
  ./build-ca #Common Name输入server,其他默认
  ./build-key-server server #Comman Name输入server,其他默认,最后按y生成证书
  ./build-key client01 #Comman Name输入client01,其他默认,最后按y生成证书
  #如果需要多个客户端登录,依次生成其他客户端证书/key
  ./build-key client02
  ./build-key client03
  #要注意,每个客户端的Comman Name必须不同
  ./build-dh
  mkdir /etc/openvpn
  cp keys /etc/openvpn -r #将keys文件夹复制到/etc/openvpn目录
  tar -cf keys.tar keys #将打包好的keys.tar文件下载到本地
  修改配置文件:
  cd ..
  cd sample-config-files
  cp server.conf /usr/local/etc
  vi /usr/local/etc/server.conf
  服务端配置文件:
  local 你VPS的IP地址
  port 1194
  proto tcp
  dev tun
  ca /etc/openvpn/keys/ca.crt
  cert /etc/openvpn/keys/server.crt
  key /etc/openvpn/keys/server.key
  dh /etc/openvpn/keys/dh1024.pem
  server 10.8.0.0 255.255.255.0
  push "dhcp-option DNS 10.8.0.1
  push "dhcp-option DNS 208.67.222.222
  push "dhcp-option DNS 208.67.220.220
  client-to-client
  keepalive 10 120
  comp-lzo
  persist-key
  persist-tun
  status /etc/openvpn/keys/openvpn-status.log
  verb 4
  cp client.conf /usr/local/etc
  vi /usr/local/etc/client.conf
  客户端配置文件:
  client
  dev tun
  proto tcp
  remote 你vps的ip 1194
  persist-key
  persist-tun
  ca ca.crt
  cert client01.crt
  key client01.key
  #这里的两个文件名必须和前面生成的证书文件名一样
  ns-cert-type server
  comp-lzo
  verb 3
  redirect-gateway def1
  运行OpenVPN:
  

  /usr/sbin/openvpn --config /usr/local/etc/server.conf
  配置iptables转发规则:
  /sbin/iptables -t nat -A POSTROUTING -s 10.8.0.0/255.255.255.0 -j SNAT --to-source 你vps的ip
  /etc/init.d/iptables save
  /etc/init.d/iptables restart
  开启ip-forward:
  运行:sysctl -a | grep for
  net.ipv6.conf.lo.force_mld_version = 0
  net.ipv6.conf.lo.forwarding = 1
  net.ipv6.conf.default.force_mld_version = 0
  net.ipv6.conf.default.forwarding = 1
  net.ipv6.conf.all.force_mld_version = 0
  net.ipv6.conf.all.forwarding = 1
  net.ipv4.ip_forward = 1
  net.ipv4.conf.tun0.force_igmp_version = 0
  net.ipv4.conf.tun0.mc_forwarding = 0
  net.ipv4.conf.tun0.forwarding = 1
  net.ipv4.conf.venet0.force_igmp_version = 0
  net.ipv4.conf.venet0.mc_forwarding = 0
  net.ipv4.conf.venet0.forwarding = 1
  net.ipv4.conf.lo.force_igmp_version = 0
  net.ipv4.conf.lo.mc_forwarding = 0
  net.ipv4.conf.lo.forwarding = 1
  net.ipv4.conf.default.force_igmp_version = 0
  net.ipv4.conf.default.mc_forwarding = 0
  net.ipv4.conf.default.forwarding = 1
  net.ipv4.conf.all.force_igmp_version = 0
  net.ipv4.conf.all.mc_forwarding = 0
  net.ipv4.conf.all.forwarding = 1
  如果你的主机上列数值不是为1, 则要将其改成1
  例如:sysctl -w net.ipv4.ip_forward=1
  设置OpenVPN开机自动运行:
  vi /etc/rc.local
  在最后面加入此行:
  /usr/sbin/openvpn --config /usr/local/etc/server.conf  /dev/null 21
  Windows下客户端的安装配置:
  下载OpenVPN GUI For Windows
  http://openvpn.se/files/install_packages/openvpn-2.0.9-gui-1.0.3-install.exe
  依屏幕指示安装OpenVPN GUI
  安装结束后,进入安装文件夹的config目录,将之前在VPS上建立的client.conf文件下载到该目录,并更名为client.ovpn
  把之前打包的keys.tar也解压到config目录里。
  然后右键点击client.ovpn选择Start OpenVPN on this config file
  或者从开始菜单里运行OpenVPN GUI,在右下角图标上点右键选Connect
  成功连接后,右下角的OpenVPN GUI图标会由红色变为绿色。这时你就可以使用BurstNET搭建的VPN了。
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