无法连接13.10上的VPN pptp
提问于 2014-03-08 05:11:48
所以我有一个确切的问题，就像在这个问题中所发生的，这里
我还通过NetworkManager安装了VPN连接，并获得了完全相同的堆栈跟踪。我看过/etc/nsswitch.conf，但没有看到任何获胜条目。我的工作如下：
passwd: compat
group: compat
shadow: compat
hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
networks: files
protocols: db files
services: db files
ethers: db files
rpc: db files
netgroup: nis我也得到了：/sys/devices/virtual/net/ppp0: couldn't determine device driver; ignoring...，但是我有libgcrypt11 11=1.5.0-3 ubuntu3，所以不确定这是否还有2.2中提到的错误，或者它是否已经修复。
我注意到，另一个问题的海报能够删除一些吐露，这使它发挥作用，但我不知道哪些吐露可以删除。想知道是否有人知道或是否有人曾经解决过这个问题？
我的连接日志如下：
Mar 8 21:04:27 whoopsie[1046]: last message repeated 2 times
Mar 8 21:04:27 aeries NetworkManager[777]: <info> Starting VPN service 'pptp'...
Mar 8 21:04:27 aeries NetworkManager[777]: <info> VPN service 'pptp' started (org.freedesktop.NetworkManager.pptp), PID 17713
Mar 8 21:04:27 aeries NetworkManager[777]: <info> VPN service 'pptp' appeared; activating connections
Mar 8 21:04:27 aeries NetworkManager[777]: <info> VPN plugin state changed: init (1)
Mar 8 21:04:28 aeries NetworkManager[777]: <info> VPN plugin state changed: starting (3)
Mar 8 21:04:28 aeries NetworkManager[777]: <info> VPN connection 'YesVPN' (Connect) reply received.
Mar 8 21:04:28 aeries pppd[17717]: Plugin /usr/lib/pppd/2.4.5/nm-pptp-pppd-plugin.so loaded.
Mar 8 21:04:28 aeries pppd[17717]: pppd 2.4.5 started by root, uid 0
Mar 8 21:04:28 aeries pppd[17717]: Using interface ppp0
Mar 8 21:04:28 aeries pppd[17717]: Connect: ppp0 <--> /dev/pts/7
Mar 8 21:04:28 aeries pptp[17720]: nm-pptp-service-17713 log[main:pptp.c:314]: The synchronous pptp option is NOT activated
Mar 8 21:04:28 aeries NetworkManager[777]: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Mar 8 21:04:28 aeries NetworkManager[777]: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration found.
Mar 8 21:04:28 aeries NetworkManager[777]: <warn> /sys/devices/virtual/net/ppp0: couldn't determine device driver; ignoring...
Mar 8 21:04:28 aeries whoopsie[1046]: online
Mar 8 21:04:29 aeries pptp[17733]: nm-pptp-service-17713 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 1 'Start-Control-Connection-Request'
Mar 8 21:04:29 aeries pptp[17733]: nm-pptp-service-17713 log[ctrlp_disp:pptp_ctrl.c:739]: Received Start Control Connection Reply
Mar 8 21:04:29 aeries pptp[17733]: nm-pptp-service-17713 log[ctrlp_disp:pptp_ctrl.c:773]: Client connection established.
Mar 8 21:04:29 aeries whoopsie[1046]: online
Mar 8 21:04:30 aeries pptp[17733]: nm-pptp-service-17713 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 7 'Outgoing-Call-Request'
Mar 8 21:04:30 aeries pptp[17733]: nm-pptp-service-17713 log[ctrlp_disp:pptp_ctrl.c:858]: Received Outgoing Call Reply.
Mar 8 21:04:30 aeries pptp[17733]: nm-pptp-service-17713 log[ctrlp_disp:pptp_ctrl.c:897]: Outgoing call established (call ID 0, peer's call ID 45759).
Mar 8 21:04:59 aeries whoopsie[1046]: online
Mar 8 21:05:00 aeries whoopsie[1046]: online
Mar 8 21:05:08 aeries NetworkManager[777]: <warn> VPN connection 'YesVPN' (IP Config Get) timeout exceeded.
Mar 8 21:05:08 aeries NetworkManager[777]: <info> Policy set 'MERCURY_JJ' (wlan0) as default for IPv4 routing and DNS.
Mar 8 21:05:08 aeries pppd[17717]: Terminating on signal 15
Mar 8 21:05:08 aeries pppd[17717]: Connection terminated.
Mar 8 21:05:08 aeries avahi-daemon[576]: Withdrawing workstation service for ppp0.
Mar 8 21:05:08 aeries NetworkManager[777]: SCPlugin-Ifupdown: devices removed (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Mar 8 21:05:08 aeries pppd[17717]: Child process /usr/sbin/pptp 174.139.17.123 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-17713 (pid 17719) terminated with signal 15
Mar 8 21:05:08 aeries pppd[17717]: Exit.
Mar 8 21:05:08 aeries pptp[17720]: nm-pptp-service-17713 warn[decaps_hdlc:pptp_gre.c:204]: short read (-1): Input/output error
Mar 8 21:05:08 aeries pptp[17720]: nm-pptp-service-17713 warn[decaps_hdlc:pptp_gre.c:216]: pppd may have shutdown, see pppd log
Mar 8 21:05:08 aeries pptp[17733]: nm-pptp-service-17713 log[callmgr_main:pptp_callmgr.c:234]: Closing connection (unhandled)
Mar 8 21:05:08 aeries pptp[17733]: nm-pptp-service-17713 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 12 'Call-Clear-Request'
Mar 8 21:05:08 aeries pptp[17733]: nm-pptp-service-17713 log[call_callback:pptp_callmgr.c:79]: Closing connection (call state)
Mar 8 21:05:13 aeries NetworkManager[777]: <info> VPN service 'pptp' disappeared
回答 2
Ask Ubuntu用户
发布于 2014-05-23 23:39:22
在搜索完网络之后，我找到了一种解决方案，通过在http://www.jamescoyle.net/how-to/963-set-up-linux-pptp-client-from-the-terminal上执行以下步骤，使我的pptp连接可以与网络管理器一起工作
手动设置之后，GUI网络管理器就可以正常工作了。
确保将秘密中的连接配置文件名称更改为PPTP。
希望这对其他人也有帮助。
彼得
Ask Ubuntu用户
发布于 2014-03-09 06:13:29
所以我才能做到这一点。我已经研究了几天了，查看了每一篇与此相关的文章，特别是与此错误相关的文章：
NetworkManager[777]: <warn> /sys/devices/virtual/net/ppp0: couldn't determine device driver; ignoring
....
(IP Config Get) timeout exceeded在某种程度上，我找到了一篇文章，建议进入/etc/ppp/options，取消对silent条目的注释，但不幸的是，它什么也没做。因此，我发现了另一篇建议执行以下操作的文章:在Network配置选项(Network > Configuration > Advanced)中，取消检查所有内容，但MSCHAP、MSCHAPv2、使用点到点加密(MPPE)，我做了但仍然没有改变。我只是回过头来评论一下那条无声的线路，然后它突然连接起来了。希望如果你遇到同样的问题，这将有所帮助。
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原文链接：
https://askubuntu.com/questions/431311
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