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Ci-dessous, les différences entre deux révisions de la page.

--- informatique:linux:openvpn [2020/05/29 12:30]
benoit [Installation]
+++ informatique:linux:openvpn [2020/05/29 15:24] (Version actuelle)
benoit [Configuration]
@@ Ligne 7: / Ligne 7: @@
   apt install openvpn openssl easy-rsa
-==== Configuration ====
+==== Initialisation des certificats ====
 Copie des utilitaires de certificat RSA:
-  cp -R /usr/share/easy-rsa/ /etc/openvpn/server
+  cp -R /usr/share/easy-rsa/* /etc/openvpn/server/
+renseigner les informations de l'autorité de certification:
   cd /etc/openvpn/server
+Ajuster les variables:
+  vim vars
+Insérer le contenu suivant:
+  export KEY_COUNTRY="US"
+  export KEY_PROVINCE="CA"
+  export KEY_CITY="SanFrancisco"
+  export KEY_ORG="myhost.mydomain"
+  export KEY_EMAIL="me@myhost.mydomain"
+  export KEY_OU="MyOrganizationalUnit"
+Copier le fichier de conf openssl:
+  cp openssl-1.0.0.cnf openssl.cnf
+Charger les variables:
+  . ./vars
+Message attendu:
+  NOTE: If you run ./clean-all, I will be doing a rm -rf on /etc/openvpn/server/keys
+Nettoyage de l'existant:
+  ./clean-all
+Création du certificat :
+  ./build-ca
+Resultat et réponses à donner:
+  Generating a RSA private key
+  .................+++++
+  ..............+++++
+  writing new private key to 'ca.key'
+  -----
+  You are about to be asked to enter information that will be incorporated
+  into your certificate request.
+  What you are about to enter is what is called a Distinguished Name or a DN.
+  There are quite a few fields but you can leave some blank
+  For some fields there will be a default value,
+  If you enter '.', the field will be left blank.
+  -----
+  Country Name (2 letter code) [US]:
+  State or Province Name (full name) [CA]:
+  Locality Name (eg, city) [SanFrancisco]:
+  Organization Name (eg, company) [myhost.mydomain]:
+  Organizational Unit Name (eg, section) [MyOrganizationalUnit]:
+  Common Name (eg, your name or your server's hostname) [zweb.zikossworld.com CA]:
+  Name [EasyRSA]:
+  Email Address [me@myhost.mydomain]:
+Générer la clé serveur:
+  ./build-key-server server
+:!: mêmez réponses à donner que plus haut avec quelques éléments supplémentaires:
+  Please enter the following 'extra' attributes
+  to be sent with your certificate request
+  A challenge password []:
+  An optional company name []:
+  ...
+  Certificate is to be certified until May 27 10:52:54 2030 GMT (3650 days)
+  Sign the certificate? [y/n]:y
+out of 1 certificate requests certified, commit? [y/n]y
+  Write out database with 1 new entries
+  Data Base Updated
+Générer la clé client:
+  ./build-key client1
+Générer les paramètres Diffie-Hellman :
+  ./build-dh
+  ln -s /etc/openvpn/server/keys/ /etc/openvpn
+==== Configuration ====
+Créer et éditer le fichier de configuration du serveur:
+  vim /etc/openvpn/server.conf
+Insérer le contenu suivant:
+  # OpenVPN listen port
+  port 444
+  # Protocol
+  proto tcp
+  # Interface
+  dev tun
+  # Path to certificates
+  ca server/keys/ca.crt
+  cert server/keys/server.crt
+  key server/keys/server.key
+  dh server/keys/dh2048.pem
+  # VPN network
+  server 10.8.0.0 255.255.255.0
+  # Other settings
+  ifconfig-pool-persist ipp.txt
+  keepalive 10 120
+  comp-lzo
+  user nobody
+  group nogroup
+  persist-key
+  persist-tun
+  status openvpn-status.log
+  verb 3
+  # On définit le serveur VPN comme passerelle par défaut pour les clients.
+  push "redirect-gateway def1"
+  push "route 10.9.8.0 255.255.252.0"
+  # Default DNS for VPN clients
+  push "dhcp-option DNS 8.8.8.8"
+Tester la conf du serveur VPN voir si ça démarre :
+  cd /etc/openvpn
+  openvpn server.conf

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