i`m trying to start pptpd, it gets stuck and i get this error in messages.log : 
pptpd: long config file line ignored

pptpd.conf:
ppp /usr/sbin/pppd
option /etc/ppp/options.pptpd
debug
stimeout 10
localip 192.168.11.253


running centos 5, pppd 2.4.4, pptpd v1.3.3.