作者cyp 在网上看到一位大虾的关于redhat 下面配置VPN客户端的文章如下 下载pppmppetargz(pppd的补丁版)pptplinuxtargz (pptp客户端)假定下载文件放在/opt下 安装 解压缩安装pppd # cd /opt # tar zxvf pppmppetargz C /opt # cd /opt/pppmppe # sh unpacksh ;执行这个脚本给pppd打patch # cd ppp # /configure # make # mv /usr/sbin/pppd /usr/sbin/pppdold ;原来的pppd做个备份 # cp pppd /usr/sbin/pppd ;将新的pppd放入系统路径 解压缩安装pptplinux # cd /opt # tar zxvf pptplinuxtargz C /opt # cd /opt/pptplinux # cp optionspptp /etc/ppp/ # mkdir /etc/pptpd/ ; 这一步不做也可以 # tar zxvf pptplinuxtargz # cd pptplinux # make # cp pptp /usr/sbin # cp pptpcallmgr /usr/bin 设置 # cd /opt/pptplinux # /pptpcommand ) start ) stop ) setup ) quit What task would you like to do?: 选设置 ) List CHAP secrets ) Add a New CHAP secret ) Delete a CHAP secret ) List PPTP Tunnels ) Add a NEW PPTP Tunnel ) Delete a PPTP Tunnel ) Configure nf ) Select a default tunnel ) Quit ?: ;先建立一个CHAP secrets选择 Add a NEW CHAP secret NOTE: Any backslashes (\) must be doubled (\\) Local Name: This is the local identifier for CHAP authentication NOTE: If the server is a Windows NT machine the local name should be your Windows NT username including domain For example: domain\\username Local Name:pptp ;这里填上pptp的登录用户名称然后出现 Remote Name: This is the remote identifier for CHAP authentication In most cases this can be left as the default If must be set if you have multiple CHAP secrets with the same local name and different passwords Just press ENTER to keep the default Remote Name [PPTP]: ;用默认的PPTP就行所以回车进入下一项 Password: This is the password or CHAP secret for the account specified The password will not be echoed Password: ;在这里敲入密码密码不回显 回到主选单 Adding secret pptp PPTP ***** ) List CHAP secrets ) Add a New CHAP secret ) Delete a CHAP secret ) List PPTP Tunnels ) Add a NEW PPTP Tunnel ) Delete a PPTP Tunnel ) Configure nf ) Select a default tunnel ) Quit ?: ;此时建立一个新的PPTP Tunnel选择 Add a NEW PPTP Tunnel ) Other Which configuration would you like to use?: ;只有这一个选 Tunnel Name: test ;给连接起名字test Server IP: ;vpn服务器的ip What route(s) would you like to add when the tunnel comes up? This is usually a route to your internal network behind the PPTP server You can use TUNNEL_DEV and DEF_GW as in /etc/pptpd/ config file TUNNEL_DEV is replaced by the device of the tunnel interface DEF_GW is replaced by the existing default gateway The syntax to use is the same as the route() command Enter a blank line to stop route: TUNNEL_DEV ;用提示的输入 route: ;一个就够了回车结束 Local Name and Remote Name should match a configured CHAP secret Local Name is probably your NT domain\username NOTE: Any backslashes (\) must be doubled (\\) Local Name: pptp Remote Name [PPTP]: Adding test pptp PPTP Added tunnel test ) List CHAP secrets ) Add a New CHAP secret ) Delete a CHAP secret ) List PPTP Tunnels ) Add a NEW PPTP Tunnel ) Delete a PPTP Tunnel ) Configure nf ) Select a default tunnel ) Quit ?: 退出后再进入程序 # /pptpcommand ) start ) stop ) setup ) quit What task would you like to do?: ;选开始 ) test Start a tunnel to which server?: test ;在选择要连接的名称 注意pptpcommand这个脚本有个bug开始连接后不能正常结束程序并且在连接建立后给出个错误的路由 # route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface * UH ppp * U eth * U lo default UG eth 解决方法为 先删除错误那个错误的路由 # route del 然后 # route add net / dev ppp |