连接vpn报错

admin

1 p% I3 w% ?# G/ _* b3 Y7 `( [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'
$ A$ @. L$ J/ lOct 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)
Oct 19 11:34:43 localhost pppd[4112]: Plugin /usr/lib64/pptpd/pptpd-logwtmp.so loaded.
Oct 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
( u+ |. \5 i$ V& n& {. U7 DOct 19 11:34:43 localhost pppd[4112]: Connect: ppp0 <--> /dev/pts/1
Oct 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
. R  N6 D% K1 e6 ROct 19 11:35:13 localhost pppd[4112]: Exit.
Oct 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
7 h: `% F* V# l0 n2 q% m! [% xOct 19 11:35:13 localhost pptpd[4111]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
, L0 d. A3 X1 k: COct 19 11:35:13 localhost pptpd[4111]: CTRL: Client 218.241.27.42 control connection finished

admin

相关配置文件

[root@localhost ~]# more /etc/pptpd.conf |grep -v ^#
2 P7 w9 s, x' V; w7 E  noption /etc/ppp/options.pptpd
debug /var/log/pptpd.log
localip 10.10.1.20
' r- ^" l2 L& e* l' P& {2 Eremoteip 10.10.1.30-254
6 T- t/ O( n9 A% g, b$ T  y. X8 G[root@localhost ~]# more /etc/ppp/options.pptpd|grep -v ^#
name pptpd
& \# x! h& |- p3 g8 A# `0 _refuse-pap
refuse-chap
refuse-mschap
6 {  L+ e7 r7 N$ Urequire-mschap-v2
require-mppe-128
6 H8 }" Q% K& D( r/ C" {6 X7 B% lms-dns 221.228.255.1
/ I+ w3 k& D0 d. t% V. W" j3 `/ ~ms-dns 223.6.6.6
: Z! o. ?9 k9 V+ u& s" C9 Xproxyarp
. m, s- K, f, A" \9 ^lock
# A# _; k! _# u! enobsdcomp
" A* V! l- V. m/ K7 z  c9 Vnovj
/ d% U! r$ ]. e/ v; Jnovjccomp
/ u1 @# b  \, K; n* S% y1 snologfd

我使用的centos 6.5 64bit ，相关安装包如下：
, e) `8 ~4 i1 R[root@localhost ~]# rpm -qa |grep "ppp*"
libreport-plugin-rhtsupport-2.0.9-19.el6.centos.x86_64
  b4 M1 L2 V1 x$ j: J# n4 }device-mapper-event-libs-1.02.79-8.el6.x86_64
ppl-0.10.2-11.el6.x86_64
2 |/ R* w2 s7 d8 v5 g8 Q8 I5 fpptpd-1.4.0-3.el6.x86_64
/ u. H% y: F) ~8 L( J( x3 @3 fabrt-addon-ccpp-2.0.8-21.el6.centos.x86_64
device-mapper-1.02.79-8.el6.x86_64
$ `; i3 B! R2 ?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
" q+ \# ]: w$ y: E. v+ jsnappy-1.1.0-1.el6.x86_64
: @& o5 P; }, ?& m. s: \  n, V, ~kernel_ppp_mppe-1.0.2-3dkms.noarch
pptp-1.7.2-8.1.el6.x86_64
7 {. [2 Y6 P) f% ?* u$ |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
% f3 g( y& a* `3 ldevice-mapper-persistent-data-0.2.8-2.el6.x86_64
" z2 J* T, B3 gppp-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！！！

# D( @" m2 |9 }/ M/ @6 ]. n
已经解决，修改配置
options.pptpd把
, P/ D* B9 m1 z; C& r/ U& K( urequire-mschap-v2
require-mppe-128
这两行注释掉即可。如下图：

3 z/ N3 F/ |8 G8 {" k9 J
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
& ?# r5 h( a+ i( [- V9 n1 [
- t% @# F5 V: {4 g