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)
1 B" H5 Z0 A7 r  ^' k: v6 XOct 19 11:25:29 localhost pppd[4047]: In file /etc/ppp/options.pptpd: unrecognized option 'Authentication'
. z- c2 X! ~2 a  r9 L0 Z8 OOct 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
; h+ R1 g' Y& T3 j- sOct 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)
" e- ?  F9 O& TOct 19 11:34:43 localhost pppd[4112]: Plugin /usr/lib64/pptpd/pptpd-logwtmp.so loaded.
, a% l5 A; L- M' U- K% n4 ZOct 19 11:34:43 localhost pppd[4112]: pppd 2.4.5 started by www, uid 0
3 x/ f4 N! h+ p1 L4 z/ SOct 19 11:34:43 localhost pppd[4112]: Using interface ppp0
# [* M- M: H2 p' t* OOct 19 11:34:43 localhost pppd[4112]: Connect: ppp0 <--> /dev/pts/1
' M. T8 t/ F; c/ d4 ~2 ]Oct 19 11:35:13 localhost pppd[4112]: LCP: timeout sending Config-Requests
Oct 19 11:35:13 localhost pppd[4112]: Connection terminated.
1 }1 ]" H  E1 M4 sOct 19 11:35:13 localhost pppd[4112]: Modem hangup
Oct 19 11:35:13 localhost pppd[4112]: Exit.
. J: e7 U$ w+ NOct 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
Oct 19 11:35:13 localhost pptpd[4111]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
; l" U2 Y' x1 d3 o8 h1 ZOct 19 11:35:13 localhost pptpd[4111]: CTRL: Client 218.241.27.42 control connection finished

admin

相关配置文件
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% R: v' K. k$ Y' o& l/ q[root@localhost ~]# more /etc/pptpd.conf |grep -v ^#
option /etc/ppp/options.pptpd
debug /var/log/pptpd.log
localip 10.10.1.20
; Y8 w( G- Q! N- o2 S' N, u) h! F% Mremoteip 10.10.1.30-254
[root@localhost ~]# more /etc/ppp/options.pptpd|grep -v ^#
" b/ v6 }; z" u' X( ]: c. |* Q" {name pptpd
refuse-pap
refuse-chap
! [1 x# f" T' Erefuse-mschap
: L" q) M5 d/ [  rrequire-mschap-v2
6 \! T% n* ?: C9 xrequire-mppe-128
ms-dns 221.228.255.1
7 v( \7 S1 k) u' @, U- x# Ims-dns 223.6.6.6
proxyarp
: m) [, F# t( q* U0 o8 Elock
nobsdcomp
% y/ _/ m. w, U3 _& E% I9 vnovj
novjccomp
nologfd

4 D# w; E# X0 e2 G我使用的centos 6.5 64bit ，相关安装包如下：
4 ?3 W) R. D2 Z3 h  `% V1 v8 s[root@localhost ~]# rpm -qa |grep "ppp*"
libreport-plugin-rhtsupport-2.0.9-19.el6.centos.x86_64
4 T9 r6 W  j8 @device-mapper-event-libs-1.02.79-8.el6.x86_64
ppl-0.10.2-11.el6.x86_64
pptpd-1.4.0-3.el6.x86_64
abrt-addon-ccpp-2.0.8-21.el6.centos.x86_64
* h5 ]% Q! s4 K; e! vdevice-mapper-1.02.79-8.el6.x86_64
device-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
snappy-1.1.0-1.el6.x86_64
kernel_ppp_mppe-1.0.2-3dkms.noarch
# L' L' B/ O6 K0 t' B/ P- c. F7 `" q5 [pptp-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
6 {( v, J1 X  Q) g, I6 icpp-4.4.7-4.el6.x86_64
( ~1 Q3 `* S7 ]" o: qdevice-mapper-persistent-data-0.2.8-2.el6.x86_64
' X/ g% B/ y- t3 C# X  Sppp-2.4.5-5.el6.x86_64
# U: G, w3 u$ s4 F; z
6 e/ x. q. K& g9 ?7 W现在不知道问题出在什么地方，麻烦各位帮忙看看，谢谢！！！


已经解决，修改配置
options.pptpd把
/ W/ V' Y: R- }9 `0 k5 {require-mschap-v2
# Q0 v) M  P0 I* Qrequire-mppe-128
这两行注释掉即可。如下图：


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
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