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syno:dsm6inst [2022/11/18 00:49] – [DDNS over Namecheap] Bernard Condrausyno:dsm6inst [2026/04/25 11:49] (current) – [Harddisk warnings] Bernard Condrau
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 ===== DDNS over Namecheap ===== ===== DDNS over Namecheap =====
-  * Make sure you installed php-curl and php-xml in your [[deb11:apache#php_installation|Apache 2.4 and PHP 7/8]] +  - Add the host to be accessed with DDNS to your domain's //Advanced DNS --> Dynamic DNS// in Namecheap 
-  * Add the following script to your webserver:<code><?php+  - Make sure you installed php-curl and php-xml in your [[deb11:apache#php_installation|Apache 2.4 and PHP 7/8]] installation 
 +  - Add the following script to your webserver:<code><?php
 try { try {
         $url = 'https://dynamicdns.park-your-domain.com/update?host='.$_GET['host'].'&domain='.$_GET['domain'].'&password='.$_GET['password'].'&ip='.$_GET['ip'];         $url = 'https://dynamicdns.park-your-domain.com/update?host='.$_GET['host'].'&domain='.$_GET['domain'].'&password='.$_GET['password'].'&ip='.$_GET['ip'];
-        $req = curl_init(); + 
-        curl_setopt($req, CURLOPT_URL, $url); +        // with allow_url_fopen enabled 
-        curl_setopt($req, CURLOPT_RETURNTRANSFER, true); +        $output = file_get_contents($url); 
-        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: text/xml')); + 
-        $res = curl_exec($req); +        // with curl 
-        curl_close($req); +        //$req = curl_init(); 
-        $xml = new SimpleXMLElement(trim(str_replace("encoding=\"utf-16\"","",$res)));+        //curl_setopt($req, CURLOPT_URL, $url); 
 +        //curl_setopt($req, CURLOPT_RETURNTRANSFER, true); 
 +        //curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: text/xml')); 
 +        //$output = curl_exec($req); 
 +        //curl_close($req); 
 + 
 +        $xml = new SimpleXMLElement(trim(str_replace("encoding=\"utf-16\"","",$output)));
         if ($xml->ErrCount > 0) {         if ($xml->ErrCount > 0) {
                 $error = $xml->errors[0]->Err1;                 $error = $xml->errors[0]->Err1;
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                         echo "nohost";                         echo "nohost";
                 } elseif (strcmp($error, "Passwords do not match") === 0) {                 } elseif (strcmp($error, "Passwords do not match") === 0) {
 +                        echo "badauth";
 +                } elseif (strcmp($error, "Passwords is empty") === 0) {
                         echo "badauth";                         echo "badauth";
                 } elseif (strcmp($error, "No Records updated. A record not Found;") === 0) {                 } elseif (strcmp($error, "No Records updated. A record not Found;") === 0) {
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     echo "911 [".$e->getMessage()."]";     echo "911 [".$e->getMessage()."]";
 }</code> }</code>
-  * Make sure the DDNS update call is allowed by your webserver. For apache, add this to the conf:<code><RequireAny>+  - Make sure the DDNS update call is allowed by your webserver. For apache, add this to the conf:<code><RequireAny>
 Require expr "%{QUERY_STRING} =~ /your Namecheap DDNS password/" # allow the DDNS updater to run from the changed ip address Require expr "%{QUERY_STRING} =~ /your Namecheap DDNS password/" # allow the DDNS updater to run from the changed ip address
-Require forward-dns host.domain.tld # allow access from the DDNS domain name after updating the ip address</code> +Require forward-dns host.domain.tld # allow access from the DDNS domain name after updating the ip address 
-  * Create a custom DDNS updater in Synology DSM with the following //Query URL//:<code>https://vps.condrau.com/html/ddns-namecheap.php?host=__USERNAME__&domain=__HOSTNAME__&password=__PASSWORD__&ip=__MYIP__</code>+</RequireAny></code> 
 +  - Create a custom DDNS updater in Synology DSM with the following //Query URL//:<code>https://vps.condrau.com/html/ddns-namecheap.php?host=__USERNAME__&domain=__HOSTNAME__&password=__PASSWORD__&ip=__MYIP__</code>
   * [[https://code-bude.net/2022/02/16/namecheap-com-ddns-in-synology-dsm-einrichten/|Namecheap.com DDNS in Synology DSM einrichten]]   * [[https://code-bude.net/2022/02/16/namecheap-com-ddns-in-synology-dsm-einrichten/|Namecheap.com DDNS in Synology DSM einrichten]]
 +  * [[https://www.namecheap.com/support/knowledgebase/article.aspx/29/11/how-to-dynamically-update-the-hosts-ip-with-an-http-request/|How to dynamically update the host's IP with an HTTP request?]]
  
 ===== Certificates ===== ===== Certificates =====
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   * Copy DKIM Settings following {{ :syno:synology_mailplus_server_admin_guide_enu.pdf |MailPlus Server Admin Guide}} page 72 to your DNS.   * Copy DKIM Settings following {{ :syno:synology_mailplus_server_admin_guide_enu.pdf |MailPlus Server Admin Guide}} page 72 to your DNS.
   * [[syno:dsm6dns|DNS Settings]]   * [[syno:dsm6dns|DNS Settings]]
 +
 +==== Links ====
 +  * [[https://support.google.com/a/answer/81126?visit_id=638527487115813909-2139917871&rd=1#authentication|Email sender guidelines]]
 +  * [[https://serverfault.com/questions/785151/dkim-with-same-key-but-different-domains#:~:text=You%20can%20use%20the%20same,won't%20help%20your%20reputation.|DKIM with same key but different domains]]
 +  * [[https://kb.synology.com/en-ro/DSM/tutorial/How_to_use_multiple_domains_in_MailPlus_Server|How do I use multiple domains in MailPlus Server?]]
  
 ===== Contacts ===== ===== Contacts =====
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 ===== Customization ===== ===== Customization =====
   * Find all Synology package icons in /var/cache/pkglist.tmp/icon/AVAIL/SYNO   * Find all Synology package icons in /var/cache/pkglist.tmp/icon/AVAIL/SYNO
-===== Replace Harddisks ===== +===== Harddisks ===== 
 +==== Harddisk warnings ==== 
 +  * Modify file ''/etc/synoinfo.conf'' to adjust System Health warnings:<code>disk_critical_percent="0.05" # 5% 
 +disk_warning_percent ="0.1"  # 10%</code>
 ==== DSM 6 ==== ==== DSM 6 ====
   - Shut down the NAS and replace the first disk. Numbering of disks is from left to right.   - Shut down the NAS and replace the first disk. Numbering of disks is from left to right.

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