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VPN PPTP dans Ubuntu 16.04 ne fonctionne pas?

Je remplis les détails comme dans this répondre. Mais lorsque j'essaie de me connecter, je reçois:

VPN Connection Failed '...because the VPN service stopped'

message d'erreur dans le coin supérieur droit de l'écran: enter image description here

fonctionnement

tail -f /var/log/syslog

me donne ceci:

Mar  9 21:34:20 me NetworkManager[6063]: ** Message: pppd started with pid 8330
Mar  9 21:34:20 me NetworkManager[6063]: <info>  [1489091660.9205] vpn-connection[0x1e067e0,54552dfa-6db2-4050-8b47-fd108b79f201,"VPN connection 1",0]: VPN plugin: state changed: starting (3)
Mar  9 21:34:20 me pppd[8330]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded.
Mar  9 21:34:20 me NetworkManager[6063]: Plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so loaded.
Mar  9 21:34:20 me NetworkManager[6063]: ** Message: nm-pptp-ppp-plugin: (plugin_init): initializing
Mar  9 21:34:20 me pppd[8330]: pppd 2.4.7 started by root, uid 0
Mar  9 21:34:20 me NetworkManager[6063]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection'
Mar  9 21:34:20 me pppd[8330]: Using interface ppp0
Mar  9 21:34:20 me NetworkManager[6063]: Using interface ppp0
Mar  9 21:34:20 me NetworkManager[6063]: Connect: ppp0 <--> /dev/pts/19
Mar  9 21:34:20 me NetworkManager[6063]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
Mar  9 21:34:20 me NetworkManager[6063]: nm_device_get_device_type: assertion 'NM_IS_DEVICE (self)' failed
Mar  9 21:34:20 me pppd[8330]: Connect: ppp0 <--> /dev/pts/19
Mar  9 21:34:20 me NetworkManager[6063]: <info>  [1489091660.9369] manager: (ppp0): new Generic device (/org/freedesktop/NetworkManager/Devices/6)
Mar  9 21:34:20 me pptp[8335]: nm-pptp-service-8312 log[main:pptp.c:350]: The synchronous pptp option is NOT activated
Mar  9 21:34:20 me NetworkManager[6063]: <info>  [1489091660.9505] devices added (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Mar  9 21:34:20 me NetworkManager[6063]: <info>  [1489091660.9506] device added (path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration found.
Mar  9 21:34:20 me pptp[8347]: nm-pptp-service-8312 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 1 'Start-Control-Connection-Request'
Mar  9 21:34:20 me pptp[8347]: nm-pptp-service-8312 log[ctrlp_disp:pptp_ctrl.c:781]: Received Start Control Connection Reply
Mar  9 21:34:20 me pptp[8347]: nm-pptp-service-8312 log[ctrlp_disp:pptp_ctrl.c:815]: Client connection established.
Mar  9 21:34:21 me pptp[8347]: nm-pptp-service-8312 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 7 'Outgoing-Call-Request'
Mar  9 21:34:21 me pptp[8347]: nm-pptp-service-8312 log[ctrlp_disp:pptp_ctrl.c:900]: Received Outgoing Call Reply.
Mar  9 21:34:21 me pptp[8347]: nm-pptp-service-8312 log[ctrlp_disp:pptp_ctrl.c:939]: Outgoing call established (call ID 34527, peer's call ID 32815).
Mar  9 21:34:51 me pppd[8330]: LCP: timeout sending Config-Requests
Mar  9 21:34:51 me NetworkManager[6063]: LCP: timeout sending Config-Requests
Mar  9 21:34:51 me NetworkManager[6063]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 11 / phase 'disconnect'
Mar  9 21:34:51 me NetworkManager[6063]: Connection terminated.
Mar  9 21:34:51 me pppd[8330]: Connection terminated.
Mar  9 21:34:51 me NetworkManager[6063]: ** Message: Terminated ppp daemon with PID 8330.
Mar  9 21:34:51 me NetworkManager[6063]: <warn>  [1489091691.9659] vpn-connection[0x1e067e0,54552dfa-6db2-4050-8b47-fd108b79f201,"VPN connection 1",0]: VPN plugin: failed: connect-failed (1)
Mar  9 21:34:51 me NetworkManager[6063]: <info>  [1489091691.9661] vpn-connection[0x1e067e0,54552dfa-6db2-4050-8b47-fd108b79f201,"VPN connection 1",0]: VPN plugin: state changed: stopping (5)
Mar  9 21:34:51 me NetworkManager[6063]: <error> [1489091691.9681] platform-linux: do-change-link[13]: failure changing link: failure 19 (No such device)
Mar  9 21:34:51 me NetworkManager[6063]: <warn>  [1489091691.9682] device (ppp0): failed to disable userspace IPv6LL address handling
Mar  9 21:34:51 me NetworkManager[6063]: <info>  [1489091691.9693] vpn-connection[0x1e067e0,54552dfa-6db2-4050-8b47-fd108b79f201,"VPN connection 1",0]: VPN plugin: state changed: stopped (6)
Mar  9 21:34:51 me NetworkManager[6063]: <info>  [1489091691.9710] vpn-connection[0x1e067e0,54552dfa-6db2-4050-8b47-fd108b79f201,"VPN connection 1",0]: VPN plugin: state change reason: unknown (0)
Mar  9 21:34:51 me NetworkManager[6063]: <info>  [1489091691.9719] vpn-connection[0x1e067e0,54552dfa-6db2-4050-8b47-fd108b79f201,"VPN connection 1",0]: VPN service disappeared
Mar  9 21:34:51 me NetworkManager[6063]: <info>  [1489091691.9727] devices removed (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Mar  9 21:34:51 me NetworkManager[6063]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 1 / phase 'dead'
Mar  9 21:34:51 me NetworkManager[6063]: Terminating on signal 15
Mar  9 21:34:51 me NetworkManager[6063]: Child process /usr/sbin/pptp 217.145.41.15 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-8312 (pid 8333) terminated with signal 15
Mar  9 21:34:51 me NetworkManager[6063]: Modem hangup
Mar  9 21:34:51 me NetworkManager[6063]: ** Message: nm-pptp-ppp-plugin: (nm_exit_notify): cleaning up
Mar  9 21:34:51 me pptp[8335]: nm-pptp-service-8312 warn[decaps_hdlc:pptp_gre.c:220]: short read (-1): Input/output error
Mar  9 21:34:51 me pptp[8335]: nm-pptp-service-8312 warn[decaps_hdlc:pptp_gre.c:232]: pppd may have shutdown, see pppd log
Mar  9 21:34:51 me pppd[8330]: Terminating on signal 15
Mar  9 21:34:51 me pppd[8330]: Child process /usr/sbin/pptp 217.145.41.15 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-8312 (pid 8333) terminated with signal 15
Mar  9 21:34:51 me pppd[8330]: Modem hangup
Mar  9 21:34:51 me pptp[8347]: nm-pptp-service-8312 log[callmgr_main:pptp_callmgr.c:245]: Closing connection (unhandled)
Mar  9 21:34:51 me pptp[8347]: nm-pptp-service-8312 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 12 'Call-Clear-Request'
Mar  9 21:34:51 me pptp[8347]: nm-pptp-service-8312 log[call_callback:pptp_callmgr.c:84]: Closing connection (call state)
Mar  9 21:34:51 me pppd[8330]: Exit.

enter image description here

16.04vpnpptp
7
user2413

Vous pouvez configurer le serveur et le client VPN PPTP à partir du terminal en procédant comme suit:

Configuration du serveur VPN:

Installez et mettez à jour les packages serveur et client VPN:

$ Sudo apt-get install pptpd ppp pptp-linux

Quatre fichiers doivent être configurés pour le serveur:

  • /etc/pptpd.conf
  • / etc/ppp/pptpd-options
  • / etc/ppp/options
  • / etc/chat-secrets)

/ etc/pptpd.conf:

 option /etc/ppp/pptpd-options
logwtmp
localip 192.168.23.20 
 remoteip 192.168.23.30-39

/ etc/ppp/pptpd-options:

 nom pptpd 
 refuse-pap 
 refuse-chap 
 refuse-mschap 
 require-mschap-v2 
 require-mppe- 128 
 Proxyarp 
 Nodefultroute 
 Verrouiller 
 Nobsdcomp 
 Noipx ## vous n'avez pas besoin d'IPX 
 Mtu 1490 ## peut vous aider votre client linux de la déconnexion 
 mru 1490 ## peut aider votre client linux de la déconnexion

/ etc/ppp/options:

lock

/ etc/ppp/chap-secrets:

 # Secrets pour l'authentification à l'aide de CHAP 
 # Adresses IP secrètes du serveur client 
 
 [Nom d'utilisateur] pptpd [userpass] *

(Le [nom d'utilisateur] et le [userpass] sont des entrées sans crochets.)

Redémarrez maintenant le serveur avec:

$ Sudo service pptpd restart

Configuration du client VPN:

Quatre fichiers de configuration sont impliqués:

  • / etc/ppp/peers/myvpn
  • /etc/ppp/options.pptp
  • / etc/ppp/chap-secrets
  • /etc/ppp/ip-up.local

/ etc/ppp/peers/myvpn:

 # remplacez les paramètres de parenthèse par le nom d'hôte du serveur VPN et de l'utilisateur VPN 
 nom_protocole myvpn 
 nom_lien myvpn 
 ipparam myvpn 
 pty "pptp [serveur vpn] --nolaunchpppd "
 nom [nom d'utilisateur] 
 usepeerdns 
 require-mppe 
 refuser-eap 
 noauth 
 
 # adopte les valeurs par défaut du paquet pptp-linux 
 fichier /etc/ppp/options.pptp

/ etc/ppp/options.pptp:

 verrouiller 
 noauth 
 refuser-pap 
 refuser-sauter 
 refuser-chap 
 refuser-mschap 
 nobsdcomp 
 nodeflate

/ etc/ppp/chap-secrets:

 # Secrets pour l'authentification à l'aide de CHAP 
 # Adresses IP secrètes du serveur client 
 Nom d'utilisateur mot de passe myvpn *

/ etc/ppp/ip-up.local:

 #!/bin/sh 
 network = `echo $ IPREMOTE | awk -F \. '{print $ 1 "." $ 2 "." $ 3 ".0/24"}' `
 route ajouter-net $ réseau $ IFNAME

Connectez le client VPN avec:

$ Sudo pon myvpn

Terminez la connexion VPN avec:

$ Sudo poff myvpn
7
L. D. James

Modifié de la solution @ L.D.James

Ubuntu 16.04

Configuration du client VPN:

Quatre fichiers de configuration sont impliqués:

  • / etc/ppp/peers/myvpn
  • /etc/ppp/options.pptp
  • / etc/ppp/chap-secrets
  • /etc/ppp/ip-up.local

/etc/ppp/peers/myvpn: 

 # remplace les paramètres de parenthèse par le nom d'hôte du serveur VPN et de l'utilisateur VPN 
 nom_protocle myvpn 
 nomlien myvpn 
 ipparam monvpn 
 pty "pptp 1.2.3.4 --nolaunchpppd --loglevel 0 "
 Verrouille 
 Nodeflate 
 Nom nom_serveur 
 Usepeerdns 
 Require-mppe 
 Noauth 
 require-mppe-128
  1. Changez 1.2.3.4 en votre adresse IP d’hôte VPN. et
  2. Changez LoginName en votre identifiant

/etc/ppp/options.pptp: 

 verrouiller 
 noauth 
 refuser-pap 
 refuser-sauter 
 refuser-chap 
 refuser-mschap 
 nobsdcomp 
 nodeflate 
 nom LoginName 
 require-mppe-128 
 ipparam myvpn
  1. Changez LoginName en votre identifiant

/etc/ppp/chap-secrets: 

 # Secrets pour l'authentification à l'aide de CHAP 
 # Adresses IP secrètes du serveur client 
 LoginName myvpn LoginPassword *
  1. Changez LoginName en votre identifiant
  2. Changer LoginPassword en votre mot de passe de connexion

/etc/ppp/ip-up.local: 

 #!/bin/sh 
 network = `echo $ IPREMOTE | awk -F \. '{print $ 1 "." $ 2 "." $ 3 ".0/24"}' `
 route ajouter-net $ réseau $ IFNAME

Démarrez le client VPN avec: 

$ Sudo pon vicomvpn dump logfd 2 nodetach
pppd options in effect:
nodetach        # (from command line)
logfd 2     # (from command line)
linkname myvpn      # (from /etc/ppp/peers/myvpn)
dump        # (from command line)
noauth      # (from /etc/ppp/peers/vicomvpn)
name LoginName      # (from /etc/ppp/peers/myvpn)
remotename myvpn        # (from /etc/ppp/peers/myvpn)
        # (from /etc/ppp/peers/myvpn)
pty pptp 1.2.3.4 --nolaunchpppd --loglevel 0        # (from /etc/ppp/peers/myvpn)
crtscts     # (from /etc/ppp/options)
        # (from /etc/ppp/options)
asyncmap 0      # (from /etc/ppp/options)
lcp-echo-failure 4      # (from /etc/ppp/options)
lcp-echo-interval 30        # (from /etc/ppp/options)
hide-password       # (from /etc/ppp/options)
ipparam myvpn       # (from /etc/ppp/peers/myvpn)
usepeerdns      # (from /etc/ppp/peers/myvpn)
nodeflate       # (from /etc/ppp/peers/myvpn)
require-mppe        # (from /etc/ppp/peers/myvpn)
require-mppe-128        # (from /etc/ppp/peers/myvpn)
noipx       # (from /etc/ppp/options)
Using interface ppp0
Connect: ppp0 <--> /dev/pts/22
CHAP authentication succeeded
MPPE 128-bit stateless compression enabled
local  IP address 192.168.1.142
remote IP address 192.168.1.1
primary   DNS address 19.168.1.1

Mettez fin à la connexion VPN avec: 

$ Sudo poff myvpn

Référence: authentification MS-CHAP [v2], configuration du client VPN Microsoft avec pptpclient

2
charles.cc.hsu