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public:tutorial:vpnpppoverssh [2011/07/07 21:34] – ceric35public:tutorial:vpnpppoverssh [2023/02/13 13:39] (Version actuelle) – modification externe 127.0.0.1
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   * le réseau ppp est en 192.168.35.0/24   * le réseau ppp est en 192.168.35.0/24
   * l'adresse 192.168.35.254 ne doit pas être utiliser par les clients (pas compris à quoi elle servait)   * l'adresse 192.168.35.254 ne doit pas être utiliser par les clients (pas compris à quoi elle servait)
 +
 +===== Installation =====
 +
 +Les kernel doivent être compilé avec le support de PPP:
 +  *   CONFIG_PPP: missing PPP support (REQUIRED)
 +  *   CONFIG_PPP_ASYNC: missing asynchronous serial line discipline (optional, but highly recommended)
 +  *   CONFIG_PPP_SYNC_TTY: missing synchronous serial line discipline (optional; used by 'sync' pppd option)
 +  *   CONFIG_PPP_DEFLATE: missing Deflate compression (optional, but highly recommended)
 +  *   CONFIG_PPP_BSDCOMP: missing BSD-Compress compression (optional, but highly recommended)
 +  *   CONFIG_PPP_MPPE: missing MPPE encryption (optional, mostly used by PPTP links)
 +  *   CONFIG_PPPOE: missing PPPoE support (optional, needed by rp-pppoe plugin)
 +
 +''net-dialup/ppp'' doit être installé sur les 2 machines.
  
 ===== Serveur ===== ===== Serveur =====
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 $IPTABLES -A FORWARD -i ppp0 -o eth0 -m state ! --state INVALID -j ACCEPT $IPTABLES -A FORWARD -i ppp0 -o eth0 -m state ! --state INVALID -j ACCEPT
 $IPTABLES -A FORWARD -i eth0 -o ppp0 -m state --state ESTABLISHED,RELATED -j ACCEPT</code> $IPTABLES -A FORWARD -i eth0 -o ppp0 -m state --state ESTABLISHED,RELATED -j ACCEPT</code>
 +
 +Il faut egalement autorisé l'utilsateur 'vpn' a pourvoir lancer
 +pppd avec les droit root et sans mot de passe via sudo.
 +
 +Editer les droit sudo via 'visudo' et ajoutez :
 +<code>vpn     ALL=(root)NOPASSWD:/usr/sbin/pppd</code>
  
 ===== Clients ===== ===== Clients =====
Ligne 31: Ligne 50:
  
 <code>#!/sbin/runscript <code>#!/sbin/runscript
-# +# Copyright 1999-2011 Gentoo Foundation 
-# This script initiates a ppp-ssh vpn connection. +# Distributed under the terms of the GNU General Public License v2 
-# see the VPN PPP-SSH HOWTO on http://www.linuxdoc.org for more information. +# $Header: $
-# +
-# revision history: +
-# 1.6 11-Nov-1996 miquels@cistron.nl +
-# 1.7 20-Dec-1999 bart@jukie.net +
-# 2.0 16-May-2001 bronson@trestle.com +
-# 2.1 23-jan-2006 anthony@nonsenz.org +
- +
-# +
-# The rest of this file should not need to be changed. +
-# +
- +
-PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/bin/X11/: +
- +
-# +
-# required commands... +
-# +
- +
-PPPD=/usr/sbin/pppd +
-SSH=/usr/bin/ssh +
- +
-if ! test -f $PPPD  ; then echo "can't find $PPPD";  exit 3; fi +
-if ! test -f $SSH   ; then echo "can't find $SSH";   exit 4; fi+
  
-case "$1" in +#PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/bin/X11/: 
-  start) +PPPD=${PPPD:-/usr/sbin/pppd} 
-    echo -n "Starting vpn to $SERVER_HOSTNAME: " +SSH=${SSH:-/usr/bin/ssh}
-    ${PPPD} updetach noauth passive pty "sudo -u ${SERVER_USERNAME} ${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -p ${SERVER_PORT} -l ${SERVER_USERNAME} -o Batchmode=yes sudo ${PPPD} nodetach notty noauth" ${CLIENT_IFIPADDR}:${SERVER_IFIPADDR} +
-    route add -net ${LAN_NETWORK} netmask ${LAN_NETMASK} gw ${SERVER_IFIPADDR} dev ppp0 +
-    echo " vpn connected." +
-    ;;+
  
-  stop) +depend() { 
-        echo -n "Stopping vpn to $SERVER_HOSTNAME: " + need net 
-        PID=`ps ax | grep "${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -p ${SERVER_PORT} -l ${SERVER_USERNAME} -o" | grep -v ' passive ' | grep -v 'grep ' | awk '{print $1}'` + after sshd 
-        if [ "${PID}" != "" ]; then + use logger dns 
-          kill $PID +}
-          echo "disconnected." +
-        else +
-          echo "Failed to find PID for the connection" +
-        fi +
-    ;;+
  
-  config) +start() { 
-    echo "SERVER_HOSTNAME=$SERVER_HOSTNAME" + echo -n "Starting vpn to $SERVER_HOSTNAME: " 
-    echo "SERVER_USERNAME=$SERVER_USERNAME" + #echo ${PPPD} updetach noauth passive pty \"${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -p ${SERVER_PORT} -l ${SERVER_USERNAME} -o Batchmode=yes sudo ${PPPD} nodetach notty noauth\" ${CLIENT_IFIPADDR}:${SERVER_IFIPADDR} 
-    echo "SERVER_IFIPADDR=$SERVER_IFIPADDR" + ${PPPD} updetach noauth passive pty "${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -p ${SERVER_PORT} -l ${SERVER_USERNAME} -o Batchmode=yes sudo ${PPPD} nodetach notty noauth" ${CLIENT_IFIPADDR}:${SERVER_IFIPADDR} 
-    echo "CLIENT_IFIPADDR=$CLIENT_IFIPADDR" + route add -net ${LAN_NETWORK} netmask ${LAN_NETMASK} gw ${SERVER_IFIPADDR} dev ppp0 
-  ;;+ echo " vpn connected." 
 +}
  
-  *) +stop() { 
-    echo "Usage: vpn {start|stop|config}" + echo -n "Stopping vpn to $SERVER_HOSTNAME: " 
-    exit 1 + PID=`ps ax | grep "${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -p ${SERVER_PORT} -l ${SERVER_USERNAME} -o" | grep -v ' passive ' | grep -v 'grep ' | awk '{print $1}'` 
-    ;; + if [ "${PID}" != "" ]; then 
-esac+ kill $PID 
 +         echo "disconnected." 
 + else 
 +         echo "Failed to find PID for the connection" 
 + fi 
 +}
  
-exit 0</code>+restart() { 
 + stop 
 + start 
 +}</code>
  
 et ''/etc/conf.d/vpnpppssh'' et ''/etc/conf.d/vpnpppssh''
Ligne 95: Ligne 92:
 <code># The host name or IP address of the SSH server that we are <code># The host name or IP address of the SSH server that we are
 # sending the connection request to: # sending the connection request to:
-SERVER_HOSTNAME=ceric35.homelinux.org+SERVER_HOSTNAME=ceric35.net
  
 # The TCP port used by sshd (usually 22) # The TCP port used by sshd (usually 22)
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 # For security reasons, this should NOT be root.  (Any user # For security reasons, this should NOT be root.  (Any user
 # that can use PPP can intitiate the connection on the client) # that can use PPP can intitiate the connection on the client)
-SERVER_USERNAME=vpnuser+SERVER_USERNAME=vpn
  
 # The VPN network interface on the server should use this address: # The VPN network interface on the server should use this address:
public/tutorial/vpnpppoverssh.1310074461.txt.gz · Dernière modification : (modification externe)

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