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doc:howto:ddns.client [2014/08/23 14:41]
charles_brown add info about noip account confirmation
doc:howto:ddns.client [2015/02/25 03:32] (current)
soyokaze [Step 2: Configuration]
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 Here is a list of suggested DDNS providers. Here is a list of suggested DDNS providers.
  
-  * http://​freedns.afraid.org :!: free +  * http://​freedns.afraid.org :!: free - but currently a [[https://​dev.openwrt.org/​ticket/​10192|workaround]] is needed - FIXME 
-  * http://​noip.com :!: free but requires annoying account confirmation every 30 days+  * http://​noip.com :!: free but requires annoying account confirmation every 30 days - FIXME
   * http://​changeip.com :!: free   * http://​changeip.com :!: free
   * http://​duckdns.org :!: free - generated config on site   * http://​duckdns.org :!: free - generated config on site
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   * https://​dns.he.net/​ :!: free - if you have your own domain name, [[doc/​howto/​ddns.client/​hurricaneelectricfreedns]].   * https://​dns.he.net/​ :!: free - if you have your own domain name, [[doc/​howto/​ddns.client/​hurricaneelectricfreedns]].
   * http://​dnsdynamic.org ​ :!: free   * http://​dnsdynamic.org ​ :!: free
-  * http://​zoneedit.com :!: non-free (dns update by https required, curl needed. See [[http://​wiki.openwrt.org/​doc/​howto/​ddns.client#​ssl.support|SSL support]].)+  * http://​zoneedit.com :!: non-free (dns update by https required, curl needed. See [[http://​wiki.openwrt.org/​doc/​howto/​ddns.client#​ssl.support|SSL support]].) ​- FIXME
   * http://​dyndns.org :!: non-free except if you donated in 1998-2001. 30-day free trial needs credit card number.   * http://​dyndns.org :!: non-free except if you donated in 1998-2001. 30-day free trial needs credit card number.
   * http://​dyndns.fr :!: non-free   * http://​dyndns.fr :!: non-free
   * Any other service that can update when some URL is accessed. ​ The script is quite versatile.   * Any other service that can update when some URL is accessed. ​ The script is quite versatile.
 +
 +A list of currently supported DDNS providers by ddns-scripts:​
 +  * **IPv4:** [[https://​github.com/​openwrt/​packages/​blob/​master/​net/​ddns-scripts/​files/​usr/​lib/​ddns/​services|/​usr/​lib/​ddns/​services]]
 +  * **IPv6:** [[https://​github.com/​openwrt/​packages/​blob/​master/​net/​ddns-scripts/​files/​usr/​lib/​ddns/​services_ipv6|/​usr/​lib/​ddns/​services_ipv6]] - :!: needs ddns-scripts V 2.x
  
 For a longer list of additional DDNS providers, see: For a longer list of additional DDNS providers, see:
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 After ''​luci-app-ddns''​ is installed, just press any other link on the Openwrt LuCI WebUI, and the page will refresh itself and Dynamic DNS will appear under Services > Dynamic DNS. If those tabs don't show up, run ''/​etc/​init.d/​uhttpd restart''​ or reboot the router. After ''​luci-app-ddns''​ is installed, just press any other link on the Openwrt LuCI WebUI, and the page will refresh itself and Dynamic DNS will appear under Services > Dynamic DNS. If those tabs don't show up, run ''/​etc/​init.d/​uhttpd restart''​ or reboot the router.
 +
 +Beginning ddns-scripts Version 1.0.0-23 you need to enable ''​ddns''​ service in "​System"​-"​Startup"​ or run: ''/​etc/​init.d/​ddns enable''​ to enable updates being send on reboot and hotplug events.
  
 ==== Step 2: Configuration ==== ==== Step 2: Configuration ====
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 | Hostname | The DNS name to update (this name must already be registered with the the DDNS service) | your.domain.name | | Hostname | The DNS name to update (this name must already be registered with the the DDNS service) | your.domain.name |
 | Username | Username of your DDNS service account | yourusername | | Username | Username of your DDNS service account | yourusername |
-| Password | Password of your DDNS service account ​(ensure ​this password does not have "​$1"​ or $ with any number following in it, as this breaks the script| yourpassword |+| Password | Password of your DDNS service account. Ensure ​this password does **not** have "​$1"​ or $ with any number following in it, as this **breaks** the script. **For freedns.afraid.org,​ [[ddns.client#​Specific settings for freedns.afraid.org|read below]]**. ​| yourpassword |
 | Source of IP address | This tells the script how to determine your interface external IP address. See below for a description. | Usually "​network"​ | | Source of IP address | This tells the script how to determine your interface external IP address. See below for a description. | Usually "​network"​ |
 | Network/​Interface/​URL | This will be named based on the section of "​Source of IP address"​. Select the network, interface physical name, or type in the URL to use to determine the external IP address. | Usually "​wan"​ | | Network/​Interface/​URL | This will be named based on the section of "​Source of IP address"​. Select the network, interface physical name, or type in the URL to use to determine the external IP address. | Usually "​wan"​ |
-| Check for changed IP every | Self Explanatory | 10 |+| Check for changed IP every | Self Explanatory. Checks below 5 minutes make no sence because from testing, it takes this time until the global DNS servers be in sync | 10 |
 | Check-time unit | The unit for the value above | min | | Check-time unit | The unit for the value above | min |
 | Force update every | Even if the detected external IP address has not changed, update the DDNS name anyway after this time interval | 72 | | Force update every | Even if the detected external IP address has not changed, update the DDNS name anyway after this time interval | 72 |
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 Click "Save & Apply" to save changes. Click "Save & Apply" to save changes.
  
-=== Further details ​=== +=== Specific settings for freedns.afraid.org ​=== 
-  * freedns.afraid.org ​specific settings: +    You must **NOT** set your account password in the "​password"​ field. On the contrary, go to http://freedns.afraid.org/dynamic/, login, click "​Direct URL". On the location bar of your browser, copy the the authorisation tokenthe part after http://​freedns.afraid.org/​dynamic/​update.php? ​url. and paste it in the password field.
-    * put the authorisation token from the update url (the part after http://​freedns.afraid.org/​dynamic/​update.php?​in the password field.+
     * DO enter the host into the Hostname field. Although it is not used for the update, it //is// used to check the host's current IP address (via ''​nslookup''​).     * DO enter the host into the Hostname field. Although it is not used for the update, it //is// used to check the host's current IP address (via ''​nslookup''​).
 +
 +=== Further details ===
 +  * **A full list of supported settings (some not supported by LuCI WebUI) and their description you will find [[doc:​uci:​ddns|in UCI documentation]].**
   * Source of IP address ("​ip_source"​ in the configuration file)   * Source of IP address ("​ip_source"​ in the configuration file)
     * The "​ip_source"​ option can be "​network",​ "​interface",​ "​script"​ or "​web",​ with "​network"​ as the default     * The "​ip_source"​ option can be "​network",​ "​interface",​ "​script"​ or "​web",​ with "​network"​ as the default
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     * If "​ip_source"​ is "​interface"​ you specify a hardware interface (e.g. "​eth1"​) and whatever the current ip of this interface is will be associated with the domain when an update is performed.     * If "​ip_source"​ is "​interface"​ you specify a hardware interface (e.g. "​eth1"​) and whatever the current ip of this interface is will be associated with the domain when an update is performed.
     * If "​ip_source"​ is "​script"​ you specify a script to obtain ip address. The "​ip_script"​ option should contain path to your script. This option is not available through the LuCI web interface.     * If "​ip_source"​ is "​script"​ you specify a script to obtain ip address. The "​ip_script"​ option should contain path to your script. This option is not available through the LuCI web interface.
-    * The last possibility is that "​ip_source"​ is "​web",​ which means that in order to obtain our ip address we will connect to a website (specified in the URL field), and use the first valid ip address listed on that page. Use this option ​of the OpenWrt device is behind a NAT device and does not have a real external IP address assigned to the WAN interface being monitored. The correct URL will depend on the DDNS service being used. Check with the service'​s documentation to determine if they offer this feature and, if so, what the correct URL is.+    * The last possibility is that "​ip_source"​ is "​web",​ which means that in order to obtain our ip address we will connect to a website (specified in the URL field), and use the first valid ip address listed on that page. Use this option ​if the OpenWrt device is behind a NAT device and does not have a real external IP address assigned to the WAN interface being monitored. The correct URL will depend on the DDNS service being used. Check with the service'​s documentation to determine if they offer this feature and, if so, what the correct URL is.
       * For the DynDNS service, the URL is [[http://​checkip.dyndns.org]]       * For the DynDNS service, the URL is [[http://​checkip.dyndns.org]]
       * Multiple URLs can be used by separating the entries with a space.       * Multiple URLs can be used by separating the entries with a space.
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   * The simplest option is to reboot the router. This will automatically start the scripts as part of the normal interface startup process.   * The simplest option is to reboot the router. This will automatically start the scripts as part of the normal interface startup process.
   * If a reboot should be avoided, the scripts can be started manually by generating a hotplug event from the command line (see below for details)   * If a reboot should be avoided, the scripts can be started manually by generating a hotplug event from the command line (see below for details)
 +  * Beginning ddns-scripts Version 1.0.0-23 you need to enable //​**ddns**//​ service in "​System"​-"​Startup"​ to enable updates being send on reboot and hotplug events.
 +  * You can also start/​stop/​restart the service without reboot or generating a hotplug event.
  
 ==== Step 4: You're done! ==== ==== Step 4: You're done! ====
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 </​code>​ </​code>​
 == Duck DNS https (SSL) Support == == Duck DNS https (SSL) Support ==
-[[duckdns.org]] uses a CA that is either self-signed,​ or not listed in the Curl CA bundle. ''​curl''​ will throw error 60 when trying to update over https. The only way I was able to get ''​curl''​ to update Duck DNS over https was to have ''​curl''​ ignore certificate checks with ''​curl -k''​. Modify ''/​usr/​lib/​ddns/​dynamic_dns_updater.sh''​ as follows: 
  
-Find this string of code: +Be sure to install the ssl certificates in /​etc/​ssl/​certs/​ca-bundle.pem as stated in the instructions for openwrt on https://​duckdns.org. If duckdns'​ instructions still say download ca-bundle.crt, replace '​crt' ​with '​pem'​. ca-bundle.crt doesn'​t exist (checked 2015-02-24).
-<​code>​ +
-retrieve_prog="​${retrieve_prog}--cacert $cacert " +
-</​code>​ +
-Replace it with this: +
-<​code>​ +
-retrieve_prog="​${retrieve_prog}-k " +
-</​code>​ +
-Find this string of code: +
-<​code>​ +
-retrieve_prog="​${retrieve_prog}--capath $cacert " +
-</​code>​ +
-Replace it with this: +
-<​code>​ +
-retrieve_prog="​${retrieve_prog}-k " +
-</​code>​+
  
 == Duck DNS ddns-scripts ''​config''​ example == == Duck DNS ddns-scripts ''​config''​ example ==
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         option service_name ​    "​duckdns.org"​         option service_name ​    "​duckdns.org"​
         option domain ​          "​DOMAIN"​         option domain ​          "​DOMAIN"​
-        option username ​        "​LEAVE BLANK"+        option username ​        ""​
         option password ​        "​xxxxxxx-your-token-xxxx-xxxxxxxxxxxx"​         option password ​        "​xxxxxxx-your-token-xxxx-xxxxxxxxxxxx"​
         option force_interval ​  "​12"​         option force_interval ​  "​12"​
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 Look at the return XML and see that the Error Count is 0 to validate a successful update. Check each record, one at a time. Use <​Ctrl-C>​ to kill the test daemons. Look at the return XML and see that the Error Count is 0 to validate a successful update. Check each record, one at a time. Use <​Ctrl-C>​ to kill the test daemons.
  
 +Example for the LUCI form :
 +<​code>​
 +Enable = <​checked>​
 +Hostname = '​example.com'​
 +username = '​www'​
 +password = '​xxx-your-specific-ddns-pass-xx'​
 +Source of IP address = '​URL'​
 +URL = '​http://​dynamicdns.park-your-domain.com/​update?'​
 +</​code>​
  
 ===== Manually starting ddns-scripts ===== ===== Manually starting ddns-scripts =====
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 start_daemon_for_all_ddns_sections "​wan"​ start_daemon_for_all_ddns_sections "​wan"​
 exit exit
 +</​code>​
 +
 +  * Beginning ddns-scripts Version 1.0.0-23
 +    * simply enable/​disable start/​stop/​restart like every other service
 +
 +<​code>​
 +root@OpenWrt:​~#​ /​etc/​init.d/​ddns enable
 +root@OpenWrt:​~#​ /​etc/​init.d/​ddns start
 </​code>​ </​code>​
  
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 ====The correct way using curl ==== ====The correct way using curl ====
 +(  :!: This curl section didn't work for me, I've created a description of what worked for me here:​[[https://​forum.openwrt.org/​viewtopic.php?​id=55599|Setup DDNS with GratisDNS]])
 +
 There is no need to modify ''/​usr/​lib/​ddns/​services''​. Automatic change of URI scheme from ''​http''​ to ''​https''​ is controlled by the ''​use_https''​ variable. Install ''​curl''​ and add the following to ''/​etc/​config/​ddns''​ (replace ''​cacert''​ path to the correct one, either a file or a directory): There is no need to modify ''/​usr/​lib/​ddns/​services''​. Automatic change of URI scheme from ''​http''​ to ''​https''​ is controlled by the ''​use_https''​ variable. Install ''​curl''​ and add the following to ''/​etc/​config/​ddns''​ (replace ''​cacert''​ path to the correct one, either a file or a directory):
  
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 </​code>​ </​code>​
  
-If your ddns provider uses a self-signed certificate,​ or if the certificate issuer is not listed in the curl CA bundle, ''​curl''​ will throw error code 60 and not open a connection to the ddns provider. To fix this, you must modify ''/​usr/​lib/​ddns/​dynamic_dns_updater.sh''​ as such:+If your ddns provider uses a self-signed certificate,​ or if the certificate issuer is not listed in the curl CA bundle, ''​curl''​ will throw error code 60 and not open a connection to the ddns provider. To fix this, demand your ddns provider to send you the right certificate
  
-**Warning:​** This allows ''​curl''​ to connect to https sites without SSL certificates. Only do this if no other options are available, and if you ultimately trust your ddns provider.+If you don't care, you can break curl to accept any certificate by editing ''/​usr/​lib/​ddns/​dynamic_dns_updater.sh''​. 
 + 
 +**Warning:​** This allows ''​curl''​ to connect to https sites without SSL certificates. Only do this if no other options are available, and if you ultimately trust your ddns provider ​and everyone else on the internet (DONT DO IT, YOU BREAK CURL and could use http without ssl just the same. COMMENT: This section on breaking curl should be deleted, it is not good advice. I edited it instead of deleting it because I just registered and don't dare to correct/​delete too much at once. Please also note the last sentence below the instructions on what breaking curl's ssl support means.)
  
 Find this string of code: Find this string of code:
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 retrieve_prog="​${retrieve_prog}-k " retrieve_prog="​${retrieve_prog}-k "
 </​code>​ </​code>​
 +
 +Curl's https support is now broken and you can send your password to everyone claiming to be your ddns provider. This will also affect all other https communications from your router that use curl aside from ddns.
  
 ====Using wget==== ====Using wget====
doc/howto/ddns.client.1408797709.txt.bz2 · Last modified: 2014/08/23 14:41 by charles_brown