root@VPN-Server:~# logread -f
Sep  3 23:09:39 (none) kern.debug pptpd[547]: MGR: Launching /usr/sbin/pptpctrl to handle client
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: local address = 192.168.178.2
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: remote address = 192.168.178.180
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: pppd options file = /etc/ppp/options.pptpd
Sep  3 23:09:39 (none) kern.info pptpd[547]: CTRL: Client 192.168.178.11 control connection started
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Received PPTP Control Message (type: 1)
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Made a START CTRL CONN RPLY packet
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: I wrote 156 bytes to the client.
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Sent packet to client
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Received PPTP Control Message (type: 7)
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Set parameters to 100000000 maxbps, 64 window size
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Made a OUT CALL RPLY packet
Sep  3 23:09:39 (none) kern.info pptpd[547]: CTRL: Starting call (launching pppd, opening GRE)
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: pty_fd = 7
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: tty_fd = 8
Sep  3 23:09:39 (none) kern.debug pptpd[548]: CTRL (PPPD Launcher): program binary = /usr/sbin/pppd
Sep  3 23:09:39 (none) kern.debug pptpd[548]: CTRL (PPPD Launcher): local address = 192.168.178.2
Sep  3 23:09:39 (none) kern.debug pptpd[548]: CTRL (PPPD Launcher): remote address = 192.168.178.180
Sep  3 23:09:39 (none) kern.err pppd[548]: In file /etc/ppp/options.pptpd: unrecognized option 'chap-secrets'
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: I wrote 32 bytes to the client.
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Sent packet to client
Sep  3 23:09:39 (none) kern.err pptpd[547]: GRE: read(fd=7,buffer=100005c0,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
Sep  3 23:09:39 (none) kern.err pptpd[547]: CTRL: PTY read or GRE write failed (pty,gre)=(7,8)
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Reaping child PPP[548]
Sep  3 23:09:39 (none) kern.info pptpd[547]: CTRL: Client 192.168.178.11 control connection finished
Sep  3 23:09:39 (none) kern.debug pptpd[547]: CTRL: Exiting now
Sep  3 23:09:39 (none) kern.debug pptpd[544]: MGR: Reaped child 547