[已解决]系统重装，PPTP VPN不能用了，求助

[fish.z]

日志：


un 23 14:07:15 linda NetworkManager[772]: <info> [1592892435.1335] audit: op="connection-activate" uuid="5b2d62c3-695e-4095-9497-4738cde1777a" name="hubei" pid=1360 uid=1000 result="success"
Jun 23 14:07:15 linda NetworkManager[772]: <info> [1592892435.1475] vpn-connection[0x55b21d462430,5b2d62c3-695e-4095-9497-4738cde1777a,"hubei",0]: Started the VPN service, PID 13696
Jun 23 14:07:15 linda NetworkManager[772]: <info> [1592892435.1662] vpn-connection[0x55b21d462430,5b2d62c3-695e-4095-9497-4738cde1777a,"hubei",0]: Saw the service appear; activating connection
Jun 23 14:07:15 linda NetworkManager[772]: <info> [1592892435.1839] vpn-connection[0x55b21d462430,5b2d62c3-695e-4095-9497-4738cde1777a,"hubei",0]: VPN connection: (ConnectInteractive) reply received
Jun 23 14:07:15 linda NetworkManager[772]: <info> [1592892435.1942] vpn-connection[0x55b21d462430,5b2d62c3-695e-4095-9497-4738cde1777a,"hubei",0]: VPN plugin: state changed: starting (3)
Jun 23 14:07:15 linda pppd[13700]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded.
Jun 23 14:07:15 linda NetworkManager[772]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded.
Jun 23 14:07:15 linda pppd[13700]: pppd 2.4.7 started by root, uid 0
Jun 23 14:07:15 linda pppd[13700]: Using interface ppp0
Jun 23 14:07:15 linda NetworkManager[772]: Using interface ppp0
Jun 23 14:07:15 linda NetworkManager[772]: Connect: ppp0 <--> /dev/pts/1
Jun 23 14:07:15 linda pppd[13700]: Connect: ppp0 <--> /dev/pts/1
Jun 23 14:07:15 linda systemd-udevd[13704]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
Jun 23 14:07:15 linda NetworkManager[772]: <info> [1592892435.2157] manager: (ppp0): new Ppp device (/org/freedesktop/NetworkManager/Devices/27)
Jun 23 14:07:15 linda pptp[13708]: nm-pptp-service-13696 log[main:pptp.c:353]: The synchronous pptp option is NOT activated
Jun 23 14:07:15 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 1 'Start-Control-Connection-Request'
Jun 23 14:07:15 linda NetworkManager[772]: <info> [1592892435.2467] devices added (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Jun 23 14:07:15 linda NetworkManager[772]: <info> [1592892435.2473] device added (path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration found.
Jun 23 14:07:15 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:781]: Received Start Control Connection Reply
Jun 23 14:07:15 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:815]: Client connection established.
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 7 'Outgoing-Call-Request'
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:900]: Received Outgoing Call Reply.
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:939]: Outgoing call established (call ID 47496, peer's call ID 18389).
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:1005]: PPTP_SET_LINK_INFO received from peer_callid 47496
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:1008]: send_accm is 00000000, recv_accm is FFFFFFFF
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 warn[ctrlp_disp:pptp_ctrl.c:1011]: Non-zero Async Control Character Maps are not supported!
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:1005]: PPTP_SET_LINK_INFO received from peer_callid 47496
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:1008]: send_accm is FFFFFFFF, recv_accm is FFFFFFFF
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 warn[ctrlp_disp:pptp_ctrl.c:1011]: Non-zero Async Control Character Maps are not supported!
Jun 23 14:07:16 linda pppd[13700]: EAP: peer reports authentication failure
Jun 23 14:07:16 linda NetworkManager[772]: EAP: peer reports authentication failure
Jun 23 14:07:16 linda pppd[13700]: Connection terminated.
Jun 23 14:07:16 linda NetworkManager[772]: Connection terminated.
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_disp:pptp_ctrl.c:955]: Received Call Clear Request.
Jun 23 14:07:16 linda NetworkManager[772]: <warn> [1592892436.4577] vpn-connection[0x55b21d462430,5b2d62c3-695e-4095-9497-4738cde1777a,"hubei",0]: VPN plugin: failed: connect-failed (1)
Jun 23 14:07:16 linda NetworkManager[772]: <info> [1592892436.4578] vpn-connection[0x55b21d462430,5b2d62c3-695e-4095-9497-4738cde1777a,"hubei",0]: VPN plugin: state changed: stopping (5)
Jun 23 14:07:16 linda NetworkManager[772]: <info> [1592892436.4579] vpn-connection[0x55b21d462430,5b2d62c3-695e-4095-9497-4738cde1777a,"hubei",0]: VPN plugin: state changed: stopped (6)
Jun 23 14:07:16 linda NetworkManager[772]: <info> [1592892436.4621] vpn-connection[0x55b21d462430,5b2d62c3-695e-4095-9497-4738cde1777a,"hubei",0]: VPN service disappeared
Jun 23 14:07:16 linda NetworkManager[772]: <info> [1592892436.4696] devices removed (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Jun 23 14:07:16 linda pptp[13708]: nm-pptp-service-13696 warn[decaps_hdlc:pptp_gre.c:226]: short read (-1): Input/output error
Jun 23 14:07:16 linda pptp[13708]: nm-pptp-service-13696 warn[decaps_hdlc:pptp_gre.c:238]: pppd may have shutdown, see pppd log
Jun 23 14:07:16 linda NetworkManager[772]: Child process /usr/sbin/pptp 61.184.36.166 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-13696 (pid 13703) terminated with signal 15
Jun 23 14:07:16 linda pppd[13700]: Child process /usr/sbin/pptp 61.184.36.166 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-13696 (pid 13703) terminated with signal 15
Jun 23 14:07:16 linda pppd[13700]: Exit.
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[callmgr_main:pptp_callmgr.c:245]: Closing connection (unhandled)
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 12 'Call-Clear-Request'
Jun 23 14:07:16 linda pptp[13716]: nm-pptp-service-13696 log[call_callback:pptp_callmgr.c:84]: Closing connection (call state)

[astolia]

Jun 23 14:07:16 linda pppd[13700]: EAP: peer reports authentication failure
Jun 23 14:07:16 linda NetworkManager[772]: EAP: peer reports authentication failure

错误信息是说用户认证失败，检查一下用户名和密码输对没有

[fish.z]

Jun 23 14:07:16 linda pppd[13700]: EAP: peer reports authentication failure
Jun 23 14:07:16 linda NetworkManager[772]: EAP: peer reports authentication failure

错误信息是说用户认证失败，检查一下用户名和密码输对没有

没，EAP是不需要的，我刚取消了，然后，只选择了 MSCHAP 和 MSCHAPV2 两种验证方式。


问题找到了，是因为没有选择 MPPE 和 Allow stateful encryption ，同时选中就可以了。
可是另一个l2tp还是不行，郁闷。

[zys7677]

那么用VPN要干什么呢？？？

[zys7677]

终端里输入这个试一试

代码： 全选

reboot

[zys7677]

没有什么事是重启不能解决的