691
用户名错误
619
协议或加密方式设置错误
确定你的内核是否支持mppe
modprobe ppp-compress-18 && echo ok
如果显示ok，那么恭喜，你的内核已经具备了mppe支持
检验PPP是否支持MPPE/MPPC
[code]
[root@localhost]# strings `which pppd`|grep -i mppe|wc --lines
30
[root@localhost]# strings `which pppd`|grep -i mppc|wc --lines
7
updatedb
locate ppp|grep bin
mppe/mppc down
http://mppe-mppc.alphacron.de/#AEN56
ppp down
ftp://ftp.samba.org/pub/ppp/
Q:The remote system is required to authenticate itself
May 28 16:55:06 rhel4 pppd[2994]: but I couldn't find any suitable secret (password) for it to use to do so.
A:options.pptpd 里的 name 设置与 chap-secrets 不符
