Cloudflare dynamic dns not working

humungus

Has anyone had any luck on the 2.2.5 update? Aparently CloudFlare DNS was fixed.

When I try this I get "Invalid HostName" - I have tried the zone ID, hostname but no luck.

On 2.2.5, Works no problem for me as of right now. I used the API. Never had it set up before. Got to this article when using my password returned 0.0.0.0

use your CloudFlare API

f34rinc

@humungus:

On 2.2.5, Works no problem for me as of right now.

use your CloudFlare API

To add onto what humungus said about the API. On 2.2.5 when trying to setup a DDNS entry with CloudFlare instead of entering in the password for your CloudFlare account put in the API Key from the CloudFlare My Account page.

bonkas

Yep I have been using the API key as password - Not getting any luck.

If I wrongly set my username or password fields I get an authentication failure - So these details are correct.

The issue I am having is I am confused about what to put for the hostname - neither the domain name, zone ID or host ID seem to work, I get the error below:

Zone or Host ID was not found, check your hostname.

InsaneNutter

I've just set Dymanic DNS up with Cloudflare and it seems to work fine, the updated IP address does take a few minutes to show on Cloudflare however, which initially lead me to believe Dymanic DNS wasn't working.

Service Type: Cloudflare
Interface to monitor: LAN
Hostname: office.mydomain.com
MX: Leave blank
Wildcard: No wildcard
Username: Email address used to log in to my Cloudflare account
Password: Your Cloudflare API key

Obviously ensure the A record you want to update already exists for the domain in question on your Cloudflare account.

bonkas

Yep exactly same settings as I have set but still no luck after enabling it again.

I get the error: "php-fpm[40812]: /services_dyndns_edit.php: DynDNS (removed domain name): ERROR - Zone or Host ID was not found, check your hostname."

But the custom script I has setup works fine…

If you need to see the custom script let me know - I found it on this forum to get cloudflare working.

fredrikpf

So here is the latest script in PHP I use to get this working without needing to mess with pfsense = it will always work. You need to serve it from the server in pfsense (don't think 2.3 does php anymore though) or a local server in your network. If you don't have a local server but an external, you can simply modify it to put it on an external server to use the connecting IP to update the DNS record. First off, you need to know your records and their respective default data such as record ID, easiest is to just curl the data:

curl https://www.cloudflare.com/api_json.html -d 'a=rec_load_all' -d 'tkn=thiiissiiisssyoouuuuurAPIkeeeeey' -d 'email=admin@example.com' -d 'z=example.com'

Now as hinted earlier in this post, when using Cloudflare as a CDN for your websites as I do, I have a minimum of 1 dynamic origin record going to my pfSense (which is the one I'm interested in updating) and 1 public record that routes my website through the CDN platform. You don't want your dynamic IP to go through Cloudflare and need to make sure you don't activate it and need to use service-mode 0 for that record every time you update it. If you don't you'll break stuff such as OpenVPN as the Cloudflare proxies are for web traffic only. In the event where I need to offroute from the CDN I also update my www record as well, but keep it in service mode 1 so it still goes through the CDN.


	//////////////////////////////////////start fetching IP
	$url = "http://whatismyip.akamai.com/";
        $headers = array(
            "GET HTTP/1.1",
            "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
            "Accept-Language: sv-SE,sv;q=0.8,en-US;q=0.6,en;q=0.5",
            "Cache-Control: no-cache",
            "Pragma: no-cache",
            "Connection: keep-alive",
			"User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:44.0) Gecko/20100101 Firefox/44.0"

        );

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL,$url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); // Return page in string
        curl_setopt($ch, CURLOPT_ENCODING , "gzip");     
        curl_setopt($ch, CURLOPT_TIMEOUT, 60);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); // Follow redirects

        $data = curl_exec($ch);

        if (curl_errno($ch)) {
            print "Error: " . curl_error($ch);
        } else {
            curl_close($ch);
        } 

	///////////////////////////////////////end fetching IP
	//everyhing above can be removed if you put the script on an external server and change $data to $_SERVER['REMOTE_ADDR']

	//set up the array
	$request = array();
	//the action you are taking
	$request['a'] = 'rec_edit'; 
	//your API key
	$request['tkn'] = 'add_your_tkn_value_here';
	//your zone, example.com 
	$request['z'] = 'add_your_zone_value_here'; 
	//admin@example.com
	$request['email'] = 'add_your_email_value_here'; 
	//the rr-id derived from the CURL command
	$request['id'] = 'add_your_rr_id_value_here'; 
	//the record type you are setting
	$request['type'] = 'A'; 
	//the value of the record e.g. a subdomain such as www
	$request['name'] = 'add_your_rr_name_value_here';  
	//this is your new IP, if you want to put the script on an external server
	//change $data to $_SERVER['REMOTE_ADDR'], make sure that the request isn't proxied
	$request['content'] = $data; 
	//this means you will stick to bypass, so you don't accidently turn on the CDN
	$request['service_mode'] = '0'; 
	//set the time to live of the record as preferred, keep it short so you don't need to wait to be able to 
	//reconnect any of your services such a website proxied through Cloudflare or OpenVPN in the event of a new IP
	$request['ttl'] = '120'; 

	//the actual API call to update the data per input above
	$response = @json_decode(file_get_contents('https://www.cloudflare.com/api_json.html?' . http_build_query($request)), true);

	if(!$response || $response['result'] != 'success'){
		print 'Failed to update DNS. :-(';
		var_dump($response);
	}
	else{
		echo "Successfully updated!";
	}

	//this next call is for my www record, notice "service mode" is missing, which means it will default to 1 and keep it in proxied mode
	$request = array();
	$request['a'] = 'rec_edit';
	$request['tkn'] = 'add_your_tkn_value_here';
	$request['z'] = 'add_your_zone_value_here';
	$request['email'] = 'add_your_email_value_here';
	$request['id'] = 'add_your_rr_id_value_here';
	$request['type'] = 'A';
	$request['name'] = 'add_your_rr_name_value_here'; 
	$request['content'] = $data;
	$request['ttl'] = '120';

	$response = @json_decode(file_get_contents('https://www.cloudflare.com/api_json.html?' . http_build_query($request)), true);

	if(!$response || $response['result'] != 'success'){
		print 'Failed to update DNS. :-(';
		var_dump($response);
	}
	else{
		echo "Successfully updated!";
	}

echo "
".$data;
?>

Now to get this to work with pfSense you need to set your Dynamic DNS settings to Service Type: Custom and then set the update URL further down the page. Obviously make sure that WAN is the interface to monitor.

fredrikpf

As Cloudflare is deprecating their v1 API here is my updated code for v4.

First get the relevant zone id's with curl:

curl -X GET 'https://api.cloudflare.com/client/v4/zones' \
    -H 'X-Auth-Email: 'mail@example.com \
    -H 'X-Auth-Key: 'API-key \
    -H 'Content-Type: application/json'

Use the zone ID from the curl command above to get all the records for the zone, make note of the record id's.

curl -X GET 'https://api.cloudflare.com/client/v4/zones/<zone_id>/dns_records' \
    -H 'X-Auth-Email: 'mail@example.com \
    -H 'X-Auth-Key: 'API-key \
    -H 'Content-Type: application/json'</zone_id>

Now replace the e-mail, API-key, zone ID + resource id in the URL in the PHP script and you are good to go:


$url = "http://whatismyip.akamai.com/";
        $headers = array(
            "GET HTTP/1.1",
            "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
            "Accept-Language: sv-SE,sv;q=0.8,en-US;q=0.6,en;q=0.5",
            "Cache-Control: no-cache",
            "Pragma: no-cache",
            "Connection: keep-alive",
			"User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:44.0) Gecko/20100101 Firefox/44.0"

        );

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL,$url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); // Return page in string
        curl_setopt($ch, CURLOPT_ENCODING , "gzip");     
        curl_setopt($ch, CURLOPT_TIMEOUT, 60);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); // Follow redirects

        $ip = curl_exec($ch);

        if (curl_errno($ch)) {
            print "Error: " . curl_error($ch);
        } else {
            // Show me the result
            curl_close($ch);
        } 

$headers2=array(
	'X-Auth-Email: mail@example.com',
	'X-Auth-Key: API-key',
    'Content-Type: application/json'
);

/////////////////////
$curl = curl_init("https://api.cloudflare.com/client/v4/zones/<zone_id>/dns_records/<record_id>");
$data = array(
	 "type" => "A",
     "name" => "origin.example.com",
     "content" => $ip,
     "proxied"=> false 
);  

$json = json_encode($data);

curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PUT");
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers2);
curl_setopt($curl, CURLOPT_POSTFIELDS, $json);

// Make the REST call, returning the result
$response = curl_exec($curl);
if (!$response) {
    die("Connection Failure.n");
}
////////////////////////////////////////

?></record_id></zone_id>

Khampol

Hi @fredrikpf,

Thanks to update for CF api v.4. I still use myself v.1 :P
For curl command thats ok, but for PHP script… How use it ... with pfsense ... ?

I normally, with v.1, use in pfsense > dynamic DNS > Custom .... In "Update URL" i have something like :

https://www.cloudflare.com/api_json.html?a=rec_edit&tkn=eerzzzzwwweeeerrrr2211111&id=xxzzzz55558&email=mymail@gmail.com&z=xxxxccc.com&type=A&name=xxxxccc.com&content=%IP%&service_mode=0&ttl=1

Do u have an idea…?

lucaslittermentz

Hello.

I tried to input a domain that goes like example.com.br and the original script would fail because it selects the host as being the last and the previous strings separated by "." (dots) so it ended up trying to fetch the zone for com.br instead of example.com.br.
Is there any chance that we could get a script that deals with this on its own or maybe a list to select TLDs or even a button to specify that the TLD has 2 levels?

Thanks!

Khampol

Hey @lucaslittermentz,

Dont bother… Just use this : https://www.dnsomatic.com/ .... Far easier 8)

jimp

@lucaslittermentz:

I tried to input a domain that goes like example.com.br and the original script would fail because it selects the host as being the last and the previous strings separated by "." (dots) so it ended up trying to fetch the zone for com.br instead of example.com.br.
Is there any chance that we could get a script that deals with this on its own or maybe a list to select TLDs or even a button to specify that the TLD has 2 levels?

This has already been fixed on 2.3.3 and 2.4 snapshots.
https://redmine.pfsense.org/issues/6778

Khampol

This has already been fixed

Well, great then ! THX ! :)

AndrewBucklin

Why is the TTL field hidden for CloudFlare Dynamic DNS provider?
The CloudFlare v4 api documentation shows the TTL value is supported: https://api.cloudflare.com/#dns-records-for-a-zone-update-dns-record