Ubuntu vpn server 客户端连接不上，附上debug日志，求解

[py14551]

Sep 25 11:13:26 ubuntu pptpd[1218]: CTRL: Client 10.11.0.144 control connection started
Sep 25 11:13:26 ubuntu pptpd[1218]: CTRL: Starting call (launching pppd, opening GRE)
Sep 25 11:13:26 ubuntu pppd[1219]: Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
Sep 25 11:13:26 ubuntu pppd[1219]: pppd 2.4.5 started by root, uid 0
Sep 25 11:13:26 ubuntu pppd[1219]: Using interface ppp0
Sep 25 11:13:26 ubuntu pppd[1219]: Connect: ppp0 <--> /dev/pts/2
Sep 25 11:13:26 ubuntu pppd[1219]: Hangup (SIGHUP)
Sep 25 11:13:26 ubuntu pppd[1219]: Modem hangup
Sep 25 11:13:26 ubuntu pppd[1219]: Connection terminated.
Sep 25 11:13:26 ubuntu pptpd[1218]: CTRL: Reaping child PPP[1219]
Sep 25 11:13:26 ubuntu pppd[1219]: Exit.
Sep 25 11:13:26 ubuntu pptpd[1218]: CTRL: Client 10.11.0.144 control connection finished
Sep 25 11:17:01 ubuntu CRON[1241]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Sep 25 11:20:07 ubuntu kernel: [ 477.182430] perf interrupt took too long (2632 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
Sep 25 11:24:31 ubuntu pptpd[1270]: CTRL: Client 10.11.0.144 control connection started
Sep 25 11:24:31 ubuntu pptpd[1270]: CTRL: Starting call (launching pppd, opening GRE)
Sep 25 11:24:31 ubuntu pptpd[1270]: CTRL: Client 10.11.0.144 control connection started
Sep 25 11:24:31 ubuntu pptpd[1270]: CTRL: Starting call (launching pppd, opening GRE)
Sep 25 11:24:31 ubuntu pppd[1271]: Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
Sep 25 11:24:31 ubuntu pppd[1271]: pptpd-logwtmp: $Version$
Sep 25 11:24:31 ubuntu pppd[1271]: pppd options in effect:
Sep 25 11:24:31 ubuntu pppd[1271]: debug#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: nologfd#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: dump#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: plugin /usr/lib/pptpd/pptpd-logwtmp.so#011#011# (from command line)
Sep 25 11:24:31 ubuntu pppd[1271]: require-mschap-v2#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: refuse-pap#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: refuse-chap#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: refuse-mschap#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: name pptpd#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: remotenumber 10.11.0.144#011#011# (from command line)
Sep 25 11:24:31 ubuntu pppd[1271]: pptpd-original-ip 10.11.0.144#011#011# (from command line)
Sep 25 11:24:31 ubuntu pppd[1271]: 115200#011#011# (from command line)
Sep 25 11:24:31 ubuntu pppd[1271]: lock#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: crtscts#011#011# (from /etc/ppp/options)
Sep 25 11:24:31 ubuntu pppd[1271]: local#011#011# (from command line)
Sep 25 11:24:31 ubuntu pppd[1271]: asyncmap 0#011#011# (from /etc/ppp/options)
Sep 25 11:24:31 ubuntu pppd[1271]: lcp-echo-failure 4#011#011# (from /etc/ppp/options)
Sep 25 11:24:31 ubuntu pppd[1271]: lcp-echo-interval 30#011#011# (from /etc/ppp/options)
Sep 25 11:24:31 ubuntu pppd[1271]: hide-password#011#011# (from /etc/ppp/options)
Sep 25 11:24:31 ubuntu pppd[1271]: novj#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: novjccomp#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: ipparam 10.11.0.144#011#011# (from command line)
Sep 25 11:24:31 ubuntu pppd[1271]: ms-dns xxx # [don't know how to print value]#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: nodefaultroute#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: proxyarp#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: 10.0.100.8:192.168.0.234#011#011# (from command line)
Sep 25 11:24:31 ubuntu pppd[1271]: nobsdcomp#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: require-mppe-128#011#011# (from /etc/ppp/pptpd-options)
Sep 25 11:24:31 ubuntu pppd[1271]: noipx#011#011# (from /etc/ppp/options)
Sep 25 11:24:31 ubuntu pppd[1271]: pppd 2.4.5 started by root, uid 0
Sep 25 11:24:31 ubuntu pppd[1271]: using channel 2
Sep 25 11:24:31 ubuntu pppd[1271]: Using interface ppp0
Sep 25 11:24:31 ubuntu pppd[1271]: Connect: ppp0 <--> /dev/pts/2
Sep 25 11:24:31 ubuntu pppd[1271]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:31 ubuntu pppd[1271]: rcvd [LCP ConfReq id=0x0 <mru 1400> <magic 0x765d4ebc> <pcomp> <accomp> <callback CBCP>]
Sep 25 11:24:31 ubuntu pppd[1271]: sent [LCP ConfRej id=0x0 <callback CBCP>]
Sep 25 11:24:31 ubuntu pppd[1271]: rcvd [LCP ConfReq id=0x1 <mru 1400> <magic 0x765d4ebc> <pcomp> <accomp>]
Sep 25 11:24:31 ubuntu pppd[1271]: sent [LCP ConfAck id=0x1 <mru 1400> <magic 0x765d4ebc> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x1 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x2 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x2 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x3 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x3 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x4 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x4 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x4 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x4 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x5 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x5 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x6 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x6 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x7 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x7 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x8 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x8 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0x9 <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0x9 <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0xa <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP ConfNak id=0xa <auth eap>]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP ConfReq id=0xb <asyncmap 0x0> <magic 0xe08ab681> <pcomp> <accomp>]
Sep 25 11:24:34 ubuntu pppd[1271]: rcvd [LCP TermReq id=0x2 "v]N\37777777674\000<\37777777715t\000\000\002\37777777734"]
Sep 25 11:24:34 ubuntu pppd[1271]: sent [LCP TermAck id=0x2]
Sep 25 11:24:34 ubuntu pppd[1271]: Hangup (SIGHUP)
Sep 25 11:24:34 ubuntu pppd[1271]: Modem hangup
Sep 25 11:24:34 ubuntu pppd[1271]: Connection terminated.
Sep 25 11:24:34 ubuntu pptpd[1270]: CTRL: Reaping child PPP[1271]
Sep 25 11:24:34 ubuntu pppd[1271]: Exit.
Sep 25 11:24:34 ubuntu pptpd[1270]: CTRL: Client 10.11.0.144 control connection finished

[astolia]

看起来像是认证失败