https://www.cnmysql.com/index.php zh-cn https://www.cnmysql.com/post// kangyang <kangyang315@qq.com> Mon, 05 Jan 2015 07:40:45 +0000 https://www.cnmysql.com/post//
1、安装
yum install -y ppp

2、服务器配置
  1、配置内核转发
      vi /etc/sysctl.conf
      ip_forword=1

   2、pptpd.conf配置

      [pptpd.conf]
      ppp /usr/sbin/pppd
      option /etc/ppp/options.pptpd
      connections 10     #最大连接数
      localip xx.xx.xx.xx  #本机ip，如有外网ip直接配置外网ip
      remoteip 192.168.99.234-240   #连接后分配的ip
      netmask 255.255.255.0            #分配的子网掩码
    
   3、options.pptpd配置
       name pptpd
       refuse-pap
       refuse-chap
       refuse-mschap
       proxyarp
       lock
       nobsdcomp
       novj
       novjccomp
       nologfd
       idle 2592000
       ms-dns 114.114.114.114
       ms-dns 8.8.8.8
    4、防火墙配置
      iptables -A INPUT -p gre -j ACCEPT
      iptables -A INPUT -p tcp -m tcp --dport 1723 -j ACCEPT
      iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
      iptables -A FORWARD -s 192.168.99.0/24 -o eth1 -j ACCEPT
      iptables -A FORWARD -d 192.168.99.0/24 -i eth1 -j ACCEPT
      iptables -t nat -A POSTROUTING -s 192.168.99.0/24 -o eth1 -j MASQUERADE
      iptables -A FORWARD -i ppp -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j TCPMSS --set-mss 135
      iptables -A FORWARD -s 192.168.99.0/255.255.255.0 -p udp -m udp --dport 53 -j ACCEPT
3、客户端配置




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