8 changed files with 231 additions and 0 deletions
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|
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client |
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dev tun |
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proto tcp-client |
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remote xxx.xxx.xxx.xxx 443 |
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resolv-retry infinite |
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cipher AES-256-CBC |
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redirect-gateway |
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|
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# Cles |
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# Prouver l'identité |
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ca ca.crt |
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tls-auth ta.key 1 |
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key-direction 1 |
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ns-cert-type server |
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auth-user-pass |
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auth-nocache |
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|
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# Securite |
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nobind |
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persist-key |
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persist-tun |
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comp-lzo |
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verb 3 |
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|
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# DNS |
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script-security 2 |
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up ./update-resolv.sh |
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down ./update-resolv.sh |
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|
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# Proxy ? |
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# http-proxy cache.univ.fr 3128 |
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|
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#!/bin/bash |
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# |
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# Parses DHCP options from openvpn to update resolv.conf |
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# To use set as 'up' and 'down' script in your openvpn *.conf: |
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# up /etc/openvpn/update-resolv-conf |
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# down /etc/openvpn/update-resolv-conf |
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# |
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# Used snippets of resolvconf script by Thomas Hood <jdthood@yahoo.co.uk> |
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# and Chris Hanson |
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# Licensed under the GNU GPL. See /usr/share/common-licenses/GPL. |
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# 07/2013 colin@daedrum.net Fixed intet name |
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# 05/2006 chlauber@bnc.ch |
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# |
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# Example envs set from openvpn: |
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# foreign_option_1='dhcp-option DNS 193.43.27.132' |
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# foreign_option_2='dhcp-option DNS 193.43.27.133' |
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# foreign_option_3='dhcp-option DOMAIN be.bnc.ch' |
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|
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#[ -x $(which resolvconf) ] || exit 0 |
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[ -x /usr/bin/resolvconf ] || exit 0 |
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case $script_type in |
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up) |
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for optionname in ${!foreign_option_*} ; do |
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option="${!optionname}" |
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echo $option |
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part1=$(echo "$option" | cut -d " " -f 1) |
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if [ "$part1" == "dhcp-option" ] ; then |
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part2=$(echo "$option" | cut -d " " -f 2) |
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part3=$(echo "$option" | cut -d " " -f 3) |
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if [ "$part2" == "DNS" ] ; then |
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IF_DNS_NAMESERVERS="$IF_DNS_NAMESERVERS $part3" |
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fi |
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if [ "$part2" == "DOMAIN" ] ; then |
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IF_DNS_SEARCH="$IF_DNS_SEARCH $part3" |
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fi |
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fi |
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done |
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R="" |
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if [ "$IF_DNS_SEARCH" ] ; then |
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R="${R}search $IF_DNS_SEARCH |
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" |
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fi |
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for NS in $IF_DNS_NAMESERVERS ; do |
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R="${R}nameserver $NS |
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" |
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done |
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#echo -n "$R" | resolvconf -p -a "${dev}" |
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echo -n "$R" | /usr/bin/resolvconf -a "${dev}.inet" |
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;; |
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down) |
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resolvconf -d "${dev}.inet" |
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;; |
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esac |
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client |
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dev tun |
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proto tcp-client |
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remote xxx.xxx.xxx.xxx 443 |
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resolv-retry infinite |
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cipher AES-256-CBC |
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redirect-gateway |
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|
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# Cles |
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# Prouver l'identité |
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ca ca.crt |
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tls-auth ta.key 1 |
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key-direction 1 |
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ns-cert-type server |
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auth-user-pass |
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auth-nocache |
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|
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# Securite |
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nobind |
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persist-key |
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persist-tun |
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comp-lzo |
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verb 3 |
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|
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# Proxy ? |
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# http-proxy cache.univ.fr 3128 |
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#!/bin/bash |
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# Serveur |
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HOST='localhost' |
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# Port (par défaut : 3306) |
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PORT='3306' |
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# Username |
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USER='vpn_user' |
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# Password |
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PASS='mdp' |
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# Nom de la base de données |
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DB='vpn' |
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|
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#!/bin/bash |
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. /etc/openvpn/scripts/config.sh |
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|
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# On insert les données dans la table de log |
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mysql -h$HOST -P$PORT -u$USER -p$PASS $DB -e "INSERT INTO log (log_id, user_id, log_trusted_ip, log_trusted_port, log_remote_ip, log_remote_port, log_start_time, log_end_time, log_received, log_send) VALUES(NULL, '$common_name','$trusted_ip', '$trusted_port','$ifconfig_pool_remote_ip', '$remote_port_1', now(),'0000-00-00 00:00:00', '$bytes_received', '$bytes_sent')" |
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|
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# On spécifie que l'utilisateur est en ligne |
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mysql -h$HOST -P$PORT -u$USER -p$PASS $DB -e "UPDATE user SET user_online=1 WHERE user_id='$common_name'" |
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#!/bin/bash |
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. /etc/openvpn/scripts/config.sh |
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|
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# On précise que l'utilisateur n'est plus en ligne |
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mysql -h$HOST -P$PORT -u$USER -p$PASS $DB -e "UPDATE user SET user_online=0 WHERE user_id='$common_name'" |
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|
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# On insert le datetime de déconnexion |
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mysql -h$HOST -P$PORT -u$USER -p$PASS $DB -e "UPDATE log SET log_end_time=now(), log_received='$bytes_received', log_send='$bytes_sent' WHERE log_trusted_ip='$trusted_ip' AND log_trusted_port='$trusted_port' AND user_id='$common_name' AND log_end_time='0000-00-00 00:00:00'" |
@ -0,0 +1,8 @@
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#!/bin/bash |
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. /etc/openvpn/scripts/config.sh |
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# Authentication |
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user_id=$(mysql -h$HOST -P$PORT -u$USER -p$PASS $DB -sN -e "SELECT user_id FROM user WHERE user_id = '$username' AND user_pass = SHA1('$password') AND user_enable=1 AND (TO_DAYS(now()) >= TO_DAYS(user_start_date) OR user_start_date='0000-00-00') AND (TO_DAYS(now()) <= TO_DAYS(user_end_date) OR user_end_date='0000-00-00')") |
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# Vérification de l'utilisateur |
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[ "$user_id" != '' ] && [ "$user_id" = "$username" ] && echo "user : $username" && echo 'authentication ok.' && exit 0 || echo 'authentication failed.'; exit 1 |
@ -0,0 +1,84 @@
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# Server en tcp, port 443 en écoute en créant un tunnel |
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mode server |
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proto tcp |
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port 443 |
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dev tun |
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## CLE, CERTIFICATS ET CONFIGURATION RÉSEAU ## |
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# Prouver l'identité |
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ca ca.crt |
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# Clé publique du serveur |
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cert server.crt |
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# Clé privée du serveur |
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key server.key |
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# Clé partagée (utilisé pour le chiffrement symétrique, hashage...) |
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dh dh1024.pem |
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# Augmente la sécurité (DDOS, port flooding...) |
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# Deuxième paramètre à 0 sur le serveur et 1 sur le client) |
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tls-auth ta.key 0 |
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# Choix de la méthode de cryptographie |
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cipher AES-256-CBC |
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# Reseau |
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# Sous réseau, le serveur prendra l'adresse 10.8.0.1 et le reste sera disponible pour les clients |
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server 10.8.0.0 255.255.255.0 |
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# Redirection du trafic via internet |
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push "redirect-gateway def1" |
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# Utilisation de DNS alternatifs (OpenDNS) |
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push "dhcp-option DNS 208.67.222.222" |
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push "dhcp-option DNS 208.67.220.220" |
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# (DNS de Google) |
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# push "dhcp-option DNS 8.8.8.8" |
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# push "dhcp-option DNS 8.8.4.4" |
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# Ping toutes les 10 secondes et si après 120 secondes le client ne répond toujours pas alors on déconnecte |
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keepalive 10 120 |
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# Regenerer la clé du canal toutes les 5h (implique la déconnexion du client) |
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reneg-sec 18000 |
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## SECURITE ## |
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# On abaisse les privilèges du démon |
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user nobody |
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group nogroup |
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# Rend les clés persistantes au démarrage |
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# Donc, plus besoin de relire les clés cryptographiques (dont on aurait pas eu les droits car on a abaissé les privilèges du démon) |
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persist-key |
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# Ne pas fermer et rouvrir le périphérique TUN/TAP |
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persist-tun |
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# Active la compression |
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comp-lzo |
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## LOG ## |
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# Quantité de log (choix entre 0 et 9) |
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# Choisir entre 3 et 4 pour une utilisation normale |
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verb 3 |
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# Imprime au plus 20 messages de la même catégorie |
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mute 20 |
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# Fichier où on liste les connexions des clients |
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status openvpn-status.log |
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# Fichier de log |
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log-append /var/log/openvpn.log |
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# Dossier de configuration des clients |
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client-config-dir ccd |
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## PASS ## |
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# Autoriser l'exécution de scripts externes en passant les mots de passe via les variables d'environnement |
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script-security 3 system |
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# Utiliser le pseudo d'authentification comme nom (au lieu du nom du certificat du client) |
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username-as-common-name |
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# Certificat du client non requis |
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client-cert-not-required |
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# Utiliser le script de connexion lorsqu'un client veut s'authentifier |
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auth-user-pass-verify scripts/login.sh via-env |
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# Nombre maximum de clients |
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max-clients 50 |
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# Appeler ces scripts à la connexion et déconnexion du client |
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client-connect scripts/connect.sh |
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client-disconnect scripts/disconnect.sh |
Loading…
Reference in new issue