This bug is affecting me as well. It's annoying not being able to connect to my work VPN. Since nobody wants to follow this bug up. Here is the snippet of the log:
ct 6 01:37:00 reza pppd[18741]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded. Oct 6 01:37:00 reza NetworkManager[18741]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded. Oct 6 01:37:00 reza pppd[18741]: pppd 2.4.7 started by root, uid 0 Oct 6 01:37:00 reza pppd[18741]: Using interface ppp0 Oct 6 01:37:00 reza NetworkManager[18741]: Using interface ppp0 Oct 6 01:37:00 reza NetworkManager[18741]: Connect: ppp0 <--> /dev/pts/3 Oct 6 01:37:00 reza pppd[18741]: Connect: ppp0 <--> /dev/pts/3 Oct 6 01:37:00 reza NetworkManager[16794]: <info> [1601919420.1914] manager: (ppp0): new Ppp device (/org/freedesktop/NetworkManager/Devices/22) Oct 6 01:37:00 reza pptp[18746]: nm-pptp-service-18737 log[main:pptp.c:353]: The synchronous pptp option is NOT activated Oct 6 01:37:00 reza systemd-udevd[18745]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable. Oct 6 01:37:00 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 1 'Start-Control-Connection-Request' Oct 6 01:37:00 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_disp:pptp_ctrl.c:781]: Received Start Control Connection Reply Oct 6 01:37:00 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_disp:pptp_ctrl.c:815]: Client connection established. Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 7 'Outgoing-Call-Request' Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_disp:pptp_ctrl.c:900]: Received Outgoing Call Reply. Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_disp:pptp_ctrl.c:938]: Outgoing call established (call ID 60622, peer's call ID 6890). Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_disp:pptp_ctrl.c:1004]: PPTP_SET_LINK_INFO received from peer_callid 40298 Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_disp:pptp_ctrl.c:1006]: send_accm is 00000000, recv_accm is FFFFFFFF Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 warn[ctrlp_disp:pptp_ctrl.c:1011]: Non-zero Async Control Character Maps are not supported! Oct 6 01:37:01 reza pppd[18741]: MS-CHAPv2 Success packet is badly formed. Oct 6 01:37:01 reza NetworkManager[18741]: MS-CHAPv2 Success packet is badly formed. Oct 6 01:37:01 reza NetworkManager[18741]: CHAP authentication failed Oct 6 01:37:01 reza pppd[18741]: CHAP authentication failed Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_disp:pptp_ctrl.c:1004]: PPTP_SET_LINK_INFO received from peer_callid 40298 Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 log[ctrlp_disp:pptp_ctrl.c:1006]: send_accm is FFFFFFFF, recv_accm is FFFFFFFF Oct 6 01:37:01 reza NetworkManager[18741]: Connection terminated. Oct 6 01:37:01 reza pptp[18758]: nm-pptp-service-18737 warn[ctrlp_disp:pptp_ctrl.c:1011]: Non-zero Async Control Character Maps are not supported! Oct 6 01:37:01 reza pppd[18741]: Connection terminated. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890814 Title: Handle PPP non-compliant success packets To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ppp/+bug/1890814/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
