do 上配 pptp， win 下一值连不上，有没有哪位帮慢指点一下

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这是一个创建于 3124 天前的主题，其中的信息可能已经有所发展或是发生改变。

系统是 ubuntu 32 位
按照网上的教程安装 pptpd 和配置。发现客户端连接不上， pptpd 的日志也好像输出的不完全。

大概的日志如下， logwtmp 已经注释了。 win 客户端这边配的是 pptp 类型的拨号

Mar 10 02:57:18 ubuntu-512mb-nyc3-01 pptpd[19234]: CTRL: Client 115.236.*.* control connection started
Mar 10 02:57:19 ubuntu-512mb-nyc3-01 pptpd[19234]: CTRL: Starting call (launching pppd, opening GRE)
Mar 10 02:57:19 ubuntu-512mb-nyc3-01 pppd[19235]: pppd 2.4.6 started by root, uid 0
Mar 10 02:57:19 ubuntu-512mb-nyc3-01 pppd[19235]: using channel 4
Mar 10 02:57:19 ubuntu-512mb-nyc3-01 pppd[19235]: Using interface ppp0
Mar 10 02:57:19 ubuntu-512mb-nyc3-01 pppd[19235]: Connect: ppp0 <--> /dev/pts/4
Mar 10 02:57:19 ubuntu-512mb-nyc3-01 pppd[19235]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x27ece3b4> <pcomp> <accomp>]
Mar 10 02:57:46 ubuntu-512mb-nyc3-01 pppd[19235]: message repeated 9 times: [ sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x27ece3b4> <pcomp> <accomp>]]
Mar 10 02:57:49 ubuntu-512mb-nyc3-01 pppd[19235]: LCP: timeout sending Config-Requests
Mar 10 02:57:49 ubuntu-512mb-nyc3-01 pppd[19235]: Connection terminated.
Mar 10 02:57:49 ubuntu-512mb-nyc3-01 pppd[19235]: Modem hangup
Mar 10 02:57:49 ubuntu-512mb-nyc3-01 pppd[19235]: Exit.
Mar 10 02:57:49 ubuntu-512mb-nyc3-01 pptpd[19234]: GRE: read(fd=6,buffer=80089480,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
Mar 10 02:57:49 ubuntu-512mb-nyc3-01 pptpd[19234]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
Mar 10 02:57:49 ubuntu-512mb-nyc3-01 pptpd[19234]: CTRL: Reaping child PPP[19235]
Mar 10 02:57:49 ubuntu-512mb-nyc3-01 pptpd[19234]: CTRL: Client 115.236.*.* control connection finished

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Mar pppd 02:57:49 pptpd