PFSense is an open source firewall/router computer software distribution based on FreeBSD.
You may use Dynu dynamic DNS service with
'Custom' option for IPv4 address update and 'Custom (v6) for IPv6 updates.
From the main menu, select Services then Dynamic DNS . Use the following settings:
Service Type
: Custom for IPv4 address update, Custom (v6) for IPv6 address update
Interface to monitor
: WAN
Interface to send update from
: WAN
Username
: Leave empty
Password
: Leave empty
URL
: Dynu Custom IP Update URL
Result Match
: good|nochg|good %IP%
Dynu Custom IP Update URL

From the main menu, select Services then Dynamic DNS . Use the following settings:

Update one domain name
Non SSL:
http://api.dynu.com/nic/update?hostname=example.dynu.com&password=PASSWORD
SSL Format:
https://api.dynu.com/nic/update?hostname=example.dynu.com&password=PASSWORD
Update all domains in your account
Non SSL:
http://api.dynu.com/nic/update?username=USERNAME&password=PASSWORD
SSL Format:
https://api.dynu.com/nic/update?username=USERNAME&password=PASSWORD
Update an alias
Non SSL:
http://api.dynu.com/nic/update?hostname=example.dynu.com&alias=Alias&password=PASSWORD
SSL Format:
https://api.dynu.com/nic/update?hostname=example.dynu.com&alias=Alias&password=PASSWORD
Update all hostnames with the same location name
Non SSL:
http://api.dynu.com/nic/update?username=USERNAME&password=PASSWORD&location=LOCATION
SSL Format:
https://api.dynu.com/nic/update?username=USERNAME&password=PASSWORDD&location=LOCATION
1. You should replace the USERNAME in the URL with your Dynu account username.
2. The PASSWORD field should be replaced with your Dynu password, IP update password, or MD5/SHA256 encrypted password.
3. The Location field should be replaced with the location name you assigned to the hostnames.
If you still have questions on the configuration, you may refer to the
IP Update Protocol
page
or
contact
support.
Update all domains in your account
Update an alias
Update all hostnames with the same location name
1. You should replace the USERNAME in the URL with your Dynu account username.
2. The PASSWORD field should be replaced with your Dynu password, IP update password, or MD5/SHA256 encrypted password.
3. The Location field should be replaced with the location name you assigned to the hostnames.
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