Normally, a hostname is tied to a fixed IP address. This works well if the server the hostname is used for has a static IP address. However, a static IP address is not always an option. In order to tie a hostname to a dynamic IP address, a Dynamic DNS service can be used.
Setting up a dynamic IP address¶
In the web interface, go to. In the upper right corner, click Add.
A form will now appear with the following fields:
|Enable||Enable this rule (allows turning entries off without removing them).|
|Service type||The provider of your Dynamic DNS Service. If you use one not in the list, select “Custom” or “Custom (v6)”.|
|Interface to monitor||This will usually be WAN.|
|Hostname||Enter the complete host/domain name. For example: myhost.dyndns.org|
|MX||Set this option only if you need a special MX record. Not all services support this. Note: with a dynamic DNS service you can only use a hostname, not an IP address.|
|Verbose logging||Enable verbose logging|
|Username||Username is required for all types except Namecheap, FreeDNS and Custom Entries.|
|Description||A description to easily identify this rule in the overview.|
If you select “Custom” or “Custom (v6)” under “Service type”, more fields will appear:
|Interface to send update from||Most likely to be the same as “Interface to monitor”.|
|CURL options||Options passed to the
|Update URL||An URL to let the Dynamic DNS provider know your IP address has changed. See the “full help” for information on how to use it.|
|Result Match||Can be used to verify the reply from the server, in order to distinguish confirmations from errors. See the “full help” for information on how to use it.|
|Custom / Custom (v6)||Username and Password fields represent HTTP Basic Authentication username and passwords.|
|Duck DNS||Username field: Enter your Token.
Password field: Leave empty.
|FreeDNS (freedns.afraid.org)||Password field: Enter your “Authentication Token”.|
|he.net tunnelbroker||Hostname field: Enter your “Tunnel ID”.|
|Route 53||Username field: Enter your “Access Key ID”.
Password field: Enter your “Secret Access Key”.