pptp не конектится

делаем попытку соединиться с сервером - не соединяется и в логах выдаёт:
--------
Mar 8 11:15:28 localhost pptp[9379]: anon log[main:pptp.c:243]: The synchronous pptp option is NOT activated
Mar 8 11:15:28 localhost pptp[9382]: anon log[ctrlp_rep:pptp_ctrl.c:243]: Sent control packet type is 1 'Start-Control-Connection
Mar 8 11:15:28 localhost pptp[9382]: anon log[ctrlp_disp:pptp_ctrl.c:721]: Received Start Control Connection Reply
Mar 8 11:15:28 localhost pptp[9382]: anon log[ctrlp_disp:pptp_ctrl.c:755]: Client connection established.
Mar 8 11:15:29 localhost pptp[9382]: anon log[ctrlp_rep:pptp_ctrl.c:243]: Sent control packet type is 7 'Outgoing-Call-Request'
Mar 8 11:15:29 localhost pptp[9382]: anon log[ctrlp_disp:pptp_ctrl.c:841]: Received Outgoing Call Reply.
Mar 8 11:15:29 localhost pptp[9382]: anon log[ctrlp_disp:pptp_ctrl.c:880]: Outgoing call established (call ID 0, peer's call ID 3
Mar 8 11:15:30 localhost pppd[9386]: pppd 2.4.3 started by root, uid 0
Mar 8 11:15:30 localhost pppd[9386]: using channel 20
Mar 8 11:15:30 localhost pppd[9386]: Using interface ppp60000
Mar 8 11:15:30 localhost pppd[9386]: Connect: ppp60000 <--> /dev/pts/1
Mar 8 11:15:30 localhost pppd[9386]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbfc133cb> <pcomp> <accomp>]
Mar 8 11:15:36 localhost last message repeated 2 times
Mar 8 11:15:38 localhost last message repeated 7 times
Mar 8 11:15:39 localhost pppd[9386]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbfc133cb> <pcomp> <accomp>]
Mar 8 11:15:51 localhost pppd[9386]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbfc133cb> <pcomp> <accomp>]
Mar 8 11:15:59 localhost pptp[9382]: anon log[pptp_read_some:pptp_ctrl.c:525]: read returned zero, peer has closed
Mar 8 11:15:59 localhost pptp[9382]: anon log[call_callback:pptp_callmgr.c:77]: Closing connection
Mar 8 11:16:00 localhost pppd[9386]: LCP: timeout sending Config-Requests
Mar 8 11:16:00 localhost pppd[9386]: Connection terminated.
Mar 8 11:16:00 localhost pppd[9386]: using channel 21
Mar 8 11:16:00 localhost pppd[9386]: Using interface ppp60000
Mar 8 11:16:00 localhost pppd[9386]: Connect: ppp60000 <--> /dev/pts/1
Mar 8 11:16:00 localhost pppd[9386]: sent [LCP ConfReq id=0x2 <asyncmap 0x0> <magic 0x4ae58b97> <pcomp> <accomp>]
Mar 8 11:16:00 localhost pppd[9386]: sent [LCP TermReq id=0x3]
Mar 8 11:16:00 localhost pppd[9386]: tcflush failed: Bad file descriptor
Mar 8 11:16:01 localhost pppd[9386]: tcsetattr: Invalid argument (line 1003)
Mar 8 11:16:01 localhost pppd[9386]: Exit.
Mar 8 11:16:01 localhost pptp[9396]: anon warn[decaps_hdlc:pptp_gre.c:197]: short read (-1): Input/output error
Mar 8 11:16:01 localhost pptp[9396]: anon warn[decaps_hdlc:pptp_gre.c:209]: pppd may have shutdown, see pppd log
-----------

что можно сделать?