в общем при попытке подключения к vpn серверу на pptpd win xp доходит до проверки логина/пароля после чего вываливается с ошибкой 619

(при подключении через скайлинк/билайн и иже с ними)

в логах сервака:
Jun  9 10:35:02 firewall pptpd[20818]: MGR: Launching /usr/sbin/pptpctrl to handle client
Jun  9 10:35:02 firewall pptpd[20818]: CTRL: local address = 192.168.1.7
Jun  9 10:35:02 firewall pptpd[20818]: CTRL: remote address = 192.168.1.41
Jun  9 10:35:02 firewall pptpd[20818]: CTRL: pppd options file = /etc/ppp/pptpd-options
Jun  9 10:35:02 firewall pptpd[20818]: CTRL: Client 192.168.1.6 control connection started
Jun  9 10:35:02 firewall pptpd[20818]: CTRL: Received PPTP Control Message (type: 1)
Jun  9 10:35:02 firewall pptpd[20818]: CTRL: Made a START CTRL CONN RPLY packet
Jun  9 10:35:02 firewall pptpd[20818]: CTRL: I wrote 156 bytes to the client.
Jun  9 10:35:02 firewall pptpd[20818]: CTRL: Sent packet to client
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: Received PPTP Control Message (type: 7)
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: Set parameters to 100000000 maxbps, 64 window size
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: Made a OUT CALL RPLY packet
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: Starting call (launching pppd, opening GRE)
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: pty_fd = 6
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: tty_fd = 7
Jun  9 10:35:03 firewall pptpd[20820]: CTRL (PPPD Launcher): program binary = /usr/sbin/pppd
Jun  9 10:35:03 firewall pptpd[20820]: CTRL (PPPD Launcher): local address = 192.168.1.7
Jun  9 10:35:03 firewall pptpd[20820]: CTRL (PPPD Launcher): remote address = 192.168.1.41
Jun  9 10:35:03 firewall pppd[20820]: Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
Jun  9 10:35:03 firewall pppd[20820]: pptpd-logwtmp: $Version$
Jun  9 10:35:03 firewall pppd[20820]: debug^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: domain izhsintez.ru^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: nologfd^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: dump^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: plugin /usr/lib/pptpd/pptpd-logwtmp.so^I^I# (from command line)
Jun  9 10:35:03 firewall pppd[20820]: require-mschap-v2^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: refuse-pap^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: refuse-chap^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: refuse-mschap^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: name pptpd^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: pptpd-original-ip 192.168.1.6^I^I# (from command line)
Jun  9 10:35:03 firewall pppd[20820]: lock^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: novj^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: novjccomp^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: ms-wins xxx # [don't know how to print value]^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: defaultroute^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: netmask 255.255.255.0^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: nobsdcomp^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pppd[20820]: require-mppe-128^I^I# (from /etc/ppp/pptpd-options)
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: I wrote 32 bytes to the client.
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: Sent packet to client
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: Received PPTP Control Message (type: 15)
Jun  9 10:35:03 firewall pptpd[20818]: CTRL: Got a SET LINK INFO packet with standard ACCMs

Jun  9 10:35:33 firewall pptpd[20818]: GRE: read(fd=6,buffer=8058640,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
Jun  9 10:35:33 firewall pptpd[20818]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
Jun  9 10:35:33 firewall pptpd[20818]: CTRL: Reaping child PPP[20820]
Jun  9 10:35:33 firewall pptpd[20818]: CTRL: Client 192.168.1.6 control connection finished
Jun  9 10:35:33 firewall pptpd[20818]: CTRL: Exiting now
Jun  9 10:35:33 firewall pptpd[19592]: MGR: Reaped child 20818

в конфиге:

name pptpd
domain izhsintez.ru
refuse-pap
refuse-chap
refuse-mschap
require-mschap-v2
require-mppe-128
ms-wins 192.168.0.1
defaultroute
netmask 255.255.255.0
debug
dump
lock
nobsdcomp
novj
novjccomp
nologfd

в чем беда?