add README
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README
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README
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Introduction
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------------
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dyndomain permet de contourner les limitations de votre abonnement Orange et
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de sa Livebox en utilisant un nom de domaine chez OVH:
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- bien que "relativement" stable, les adresses IPv4 (et IPv6) de votre Livebox
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changent de temps en temps.
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- les comptes de type dyndns supportés par la Livebox 4 ne supportent que
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l'IPv4, sont contraignant à utiliser, et parfois payants.
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- La Livebox 4 ne supporte pas les comptes dyndns OVH.
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- et OVH ne supporte que l'IPv4 pour ses comptes dyndns
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dyndomain surveille votre Livebox toutes les minutes récupère ses adresses
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IPv4 et IPv6 ainsi que les adresses IPv6 des machines dans votre reseau
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local.
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Lors d'un changement, la zone dns de votre domaine chez OVH est mise à jour.
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Ainsi si vous avez le domaine chezmoi.fr chez OVH, vous pourrez retrouver
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les machines de votre reseau:
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* la livebox elle-même:
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$ host livebox.home.chezmoi.fr
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livebox.home.chezmoi.fr has address 1.2.3.4
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livebox.home.chezmoi.fr has IPv6 address pppp:pppp:pppp:pppp:aaaa:aaaa:aaaa:aaaa
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* une machine visible en IPv6:
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$ host machine1.home.chezmoi.fr
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machine1.home.chezmoi.fr has IPv6 address pppp:pppp:pppp:pppp:bbbb:bbbb:bbbb:bbbb
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* une machine avec une redirection IPv4:
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$ host machine2.home.chezmoi.fr
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machine2.home.chezmoi.fr has address 1.2.3.4
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machine2.home.chezmoi.fr has IPv6 address pppp:pppp:pppp:pppp:cccc:cccc:cccc:cccc
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Les enregistrements DNS sont configurés avec un TTL de 60s, donc un changement
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d'adresse est au pire visible en 2 minutes (parfois plus, si vous utilisez des
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serveurs qui forcent des mises en cache avec des durées minimales supérieures).
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Installation
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------------
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$ git clone $URL
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$ cd dyndomain
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$ git submodule init sysbus
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$ git submodule update sysbus
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$ git submodule init ovh
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$ git submodule update ovh
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Setup - Livebox
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---------------
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$ ./sysbus/sysbus.py -password LIVEBOXADMINPASSWORD -config
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url = http://livebox.home/
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user = admin
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password = LIVEBOXADMINPASSWORD
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model = lb4
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check that configuration is correct:
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$ ./sysbus/sysbus.py
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SoftwareVersion : XG40_sip-fr-3.2.18.1_7.21.3.1
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UpTime : 2 days, 10:10:12 (NumberOfReboots: 21)
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ExternalIPAddress : n.n.n.n
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IPv4Address : 192.168.1.1
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IPv6Address : nnnn:nnnn:nnnn:nnnn:nnnn:nnnn:nnnn:nnnn
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IPv6DelegatedPrefix : nnnn:nnnn:nnnn:nnnn::/56
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IPv6Address : nnnn:nnnn:nnnn:nnnn:nnnn:nnnn:nnnn:nnnn
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directoryNumber : +339xxxxxxxx
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Setup - OVH
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-----------
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I assume you already have:
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- an OVH account NN1234-OVH
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- a domain handled by OVH
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* create ovh.conf file:
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$ cp ovh-sample.conf ovh.conf
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* Create Application Token:
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visit https://eu.api.ovh.com/createApp/
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fill fields:
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- account id: your ovh account
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- password
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- Application Name: dyndomain or whatever you want
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- Application Description: whatever you want
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write down application key and application secret into ovh.conf file
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* Create Consumer Token:
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edit register_ovh_account script with your own domain (in place of example.com)
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$ ./register_ovh_account
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visit printed url and authenticate yourself with your OVH account
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write down consumer key into ovh.conf file
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Setup - Home configuration
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--------------------------
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* create home.conf file:
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$ cp home-sample.conf home.conf
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* setup [zone]:
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domain: your own domain
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subdomain: whatever your want, typically home:
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all hosts will be something like mypc1.home.domain.ext
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* setup [Hosts]:
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list here all machines you want to add in your domain with an IPv6 record
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* setup [NatHosts]:
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list here all machines you want to add in your domain with the WAN IPv4 record
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In order to be useful you need to have an IPv4 redirection rule in your livebox
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for these hosts
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* setup [Mail]:
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all updates will be sent to this mail address
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Usage
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-----
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* test everything is correct:
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$ ./dyndomain
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* setup a crontab entry to launch it every minute
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