连接vpn报错

admin

Oct 19 11:25:29 localhost pptpd[4046]: CTRL: Client 218.241.27.42 control connection started
Oct 19 11:25:29 localhost pptpd[4046]: CTRL: Starting call (launching pppd, opening GRE)
Oct 19 11:25:29 localhost pppd[4047]: In file /etc/ppp/options.pptpd: unrecognized option 'Authentication'
5 K7 n% P2 V4 j: s# }  eOct 19 11:25:29 localhost pptpd[4046]: GRE: read(fd=6,buffer=6124a0,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
Oct 19 11:25:29 localhost pptpd[4046]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
Oct 19 11:25:29 localhost pptpd[4046]: CTRL: Client 218.241.27.42 control connection finished

admin

Oct 19 11:34:43 localhost pptpd[4111]: CTRL: Client 218.241.27.42 control connection started
Oct 19 11:34:43 localhost pptpd[4111]: CTRL: Starting call (launching pppd, opening GRE)
- `- H6 F7 u8 m8 A- jOct 19 11:34:43 localhost pppd[4112]: Plugin /usr/lib64/pptpd/pptpd-logwtmp.so loaded.
5 O! L$ l, O5 w8 H& h1 h) u; s% iOct 19 11:34:43 localhost pppd[4112]: pppd 2.4.5 started by www, uid 0
Oct 19 11:34:43 localhost pppd[4112]: Using interface ppp0
Oct 19 11:34:43 localhost pppd[4112]: Connect: ppp0 <--> /dev/pts/1
9 ~: z' A: X) K# r$ U5 F  oOct 19 11:35:13 localhost pppd[4112]: LCP: timeout sending Config-Requests
Oct 19 11:35:13 localhost pppd[4112]: Connection terminated.
Oct 19 11:35:13 localhost pppd[4112]: Modem hangup
5 k2 Q; I9 @: l$ `9 [( fOct 19 11:35:13 localhost pppd[4112]: Exit.
3 U  ]7 r* ^; \5 i4 [/ D5 Z7 LOct 19 11:35:13 localhost pptpd[4111]: GRE: read(fd=6,buffer=6124a0,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
' e$ s% e; O  Y" I# k" G! A8 NOct 19 11:35:13 localhost pptpd[4111]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
Oct 19 11:35:13 localhost pptpd[4111]: CTRL: Client 218.241.27.42 control connection finished

admin

相关配置文件

/ k% i* I- S; P( p) s4 w[root@localhost ~]# more /etc/pptpd.conf |grep -v ^#
. ~' ]" v- t, }/ F9 c4 ~' p: K- loption /etc/ppp/options.pptpd
. [& t6 M6 @8 g7 ^1 m0 v& b$ @debug /var/log/pptpd.log
0 G: ~* ~, Z3 B6 Olocalip 10.10.1.20
+ t/ j/ o& ]* @. k) y4 w0 H. rremoteip 10.10.1.30-254
+ K2 \( T8 c8 ]7 m. h0 A7 Y: w[root@localhost ~]# more /etc/ppp/options.pptpd|grep -v ^#
name pptpd
! {$ m$ l2 e0 Srefuse-pap
3 K( l$ p  B; z8 M. S% Q; r& Prefuse-chap
refuse-mschap
$ m3 r* i3 ^& _) ^7 S, N& w5 Drequire-mschap-v2
% ]$ Y- W: T& [" Z* X8 A0 Nrequire-mppe-128
+ g6 F6 M/ L; p* r7 Y' \ms-dns 221.228.255.1
/ ]* {" T, u9 L6 m& Mms-dns 223.6.6.6
2 z" s: C: k, o; P6 Z9 d0 h# |proxyarp
lock
% q% ]5 c* ]9 Nnobsdcomp
novj
3 P1 R+ }" d! M+ a6 V# Xnovjccomp
( X" T" L5 k+ G. R( Dnologfd

我使用的centos 6.5 64bit ，相关安装包如下：
[root@localhost ~]# rpm -qa |grep "ppp*"
libreport-plugin-rhtsupport-2.0.9-19.el6.centos.x86_64
device-mapper-event-libs-1.02.79-8.el6.x86_64
  M$ p' A" s, f, w6 V! u9 M% _& Lppl-0.10.2-11.el6.x86_64
# L9 H0 P6 e, Fpptpd-1.4.0-3.el6.x86_64
5 P5 k5 p5 b# j7 F3 K# Zabrt-addon-ccpp-2.0.8-21.el6.centos.x86_64
- ~" C2 V/ C3 ]; gdevice-mapper-1.02.79-8.el6.x86_64
6 d3 w9 c! M3 v% I& ]2 {& J. Rdevice-mapper-event-1.02.79-8.el6.x86_64
tcp_wrappers-7.6-57.el6.x86_64
cloog-ppl-0.15.7-1.2.el6.x86_64
1 g8 j9 [, A/ `, N8 d: I0 V7 Z; xsnappy-1.1.0-1.el6.x86_64
kernel_ppp_mppe-1.0.2-3dkms.noarch
0 u& n! @) i2 E4 ypptp-1.7.2-8.1.el6.x86_64
device-mapper-libs-1.02.79-8.el6.x86_64
tcp_wrappers-libs-7.6-57.el6.x86_64
cpp-4.4.7-4.el6.x86_64
device-mapper-persistent-data-0.2.8-2.el6.x86_64
. A5 \/ G' s' G+ B' xppp-2.4.5-5.el6.x86_64

现在不知道问题出在什么地方，麻烦各位帮忙看看，谢谢！！！

5 r. n* |2 s, L) s5 `: A7 V
已经解决，修改配置
: q1 |4 y, q* M4 W9 j4 o2 Roptions.pptpd把
require-mschap-v2
require-mppe-128
# {; ]5 V" q7 [6 [这两行注释掉即可。如下图：
4 B: N- F1 ~' P" w6 a; H# ]

: q! x/ F+ ~5 K3 N& [碰到了同样的问题，不用注释那两行，是密码文件没有配置好，需要再检查下/etc/ppp/chap-secrets  这个文件的配置
; K" {1 x: x" u: y8 O7 t