Synology dns server update security error. ; Select Secondary zone.

Synology dns server update security error 8" or "8. 168. To Manually add Google DNS on your Synology NAS device, just go to Control Panel / Network / General. You have a default DNS Server on your local network. 3 upgrade) upvote DNS Server allows your DiskStation to become a domain name server, host multiple zones, as well as provide name and IP address resolution services. When using a local DNS server like Synology Directory Server, make sure to update the entries in the local DNS view. Confirm and update the resource records in DNS Server (refer to Synology Directory Server and DNS Resource Records for If the computer cannot connect to the Internet, please check your network environment (e. Click Edit. After an unexpected power surge and the ensuing system reboot, RDP into some Windows hosts using their hostnames became a no-go, though using their IP addresses worked just fine. I have installed Synology Directory Server, configured syno. 1-69057 update5 which amcesh is 3. @steve33759 Thank you as well! after struggling to get things to work after the DSM 7. Edit: Change settings of the selected hostname entry. Config is in /etc/nginx , I created yannick. local/IN' denied. Generally it is considered bad practice anyway to have a secondary public DNS server as the fastest one always wins, which could effect your ability to resolve internal resources or so I've read. Update the nginx config for reverse-proxy to all your synology apps. We started using Synology Directory Server a few weeks back for a very small company. 4 (google DNS servers). With DNS Server, your Synology product can host multiple zones as well as provide name and I have been happily using Adguard Home on my Synology for a year or more now with no issues. If you have a domain name while you wish to provide different responses to queries from external and internal sources, you can Hi all, I have set up an active directory domain some time ago and everything is working fine. The new secondary Security. 8 version . Tick the Manually configure DNS server checkbox, and set the DNS server value to "8. Check “Manually configure DNS server” and type in your Preferred DNS Server: 8. If you have a domain name while you wish to provide different responses to queries from external and internal sources, you can If you want to use or add the SRM's own DNS server setting to this list then enable 'Forward known DNS server'. Has anyone seen this suddenly start happening to them as well? I am using AGH on a macvlan network in docker using the guide from wundertech and have had zero issues until now. DSM: Control Panel > Regional Options > Time > Synchronize with NTP server If the computer cannot connect to the Internet, please check your network environment (e. ". Use the following buttons to manage existing hostname entries: Delete: Removes the selected hostname entry from the list. Set up a DNS server. On my router i forwarded port 443 to the internal ip and port from my nas, works perfect! BUT Now I want some extra security, I proxied the a record, so people see an cloudflare ip instead of my wan ip. DNS Server allows your DiskStation to become a domain name server, host multiple zones, as well as provide name and IP address resolution services. 20. Exactly the same arror persists. 1). nist are updating. If the computer cannot connect to the Internet, please check your network environment (e. Click Create and specify the DNSBL Servers and the Server type. Security -> Antivirus: enable clamav, use google safe, se third party DB, auto-update definitions Security -> Authentication: enable SPF, enable DKIM, enable DMARC Security -> Content Scan: enabled dangerous Security Data Protection: enable MCP and other defaults I am having a similar problem it started after I did the latest update. With DHCP Server, your Synology NAS can act as a DHCP server and assign dynamic IP addresses to DHCP clients within your local network. If forwarders are disabled here, the system applies the forwarder settings specified on the Resolution page. ntp is still giving errors. I ended up going to DNS manager, and into each server listed: Under forward lookup zones, and under the folder named as the domain, right clicked -> To permit DSM user's access to Cloud Station Server: Go to Control Panel > Privileges and select Cloud Station Server. Enable PPTP, OpenVPN, or L2TP/IPSec service DNS Auto Registering. example. To create a new secondary zone: Click Create. ; Edit the following settings: Limit source IP service: If this option is enabled, only hosts or subnets included on the Source IP List are allowed to make recursive queries through Synology NAS. i/o timeout", "getting conn to tls://security. Specify IP settings where needed. , you do not own "synology. DHCP (Dynamic Host Configuration Protocol) is a network management protocol required on IP networks. This prevents SPF, DKIM, and DMARC issues caused by missing data in the local resolution. Log. me Synology DDNS DHCP Server. Enter a key name and select an algorithm. I am having a similar problem it started after I did the latest update. My remote computer complains about the connection being bad. 114. With DNS Server, your Synology product can host multiple zones as well as provide name and Hi, as title suggest I'm using my nas with own sub-domain (e. local as my domain and added 3 users. We're also using the Synology DNS server to translate domain names into IP addresses and a Ubiquiti Dream Machine for our DHCP needs. (For example a PiHole or a router) Your router needs support for exposing local machines to the internet (port forwarding). e. When the update includes fixes of critical security issues or bugs, Synology labels the update as an important version. The DNS Server allows your DiskStation to become a domain name server, host multiple zones, as well as provide name and IP address resolution services. ; Select Secondary zone. 1 DDNS. 2:49837->1. I rely on reverse proxies to access various applications This function, sometimes called split-horizon DNS, can improve security and privacy management of DNS zone records. In addition under Network Center>Local Network>Network 1 (and 2nd and 3rd Networks)>Edit>IPv4 DHCP you can set Primary and secondary DNS. DSM: Control Panel > Regional Options > Time > Synchronize with NTP server TSIG (Transfer Signature) keys limit what hosts are allowed to synchronize zone files from the primary server. The DNS resolution log for the DNS package on the Synology has the following errors for the clients having issues: update-security client u/0x7f9cac558fc8 *client LAN IP*#60767: To create a new secondary zone: Click Create. For more information about VPN, refer to here. I set up a DNS server on my Synology then set my router to use my Synology as its primary DNS. I checked the settings of DNS Server and it shows "number of recursive queries = 0" I'm unsure of how to read the logs correctly but from what I understand it seems to be listening on port 53. The new secondary To create a new secondary zone: Click Create. 9-0454 Ich bin kein Neuling was solche Themen angeht (bin seit 15 Jahren *NIX/Network Admin) aber das Zeug macht mich langsam ratlos Also wenn jemand nur den kleinsten Tip hat bitte antwortet! Danke im Voraus! Greetz . My theory was maybe that part of the message meant that part was successful and the other DNS server was the failure, but apparently Now when I test the upstream DNS servers, I get errors on all of them. Zones. Please see the following notes before using DNS Server: Obtain a fixed, public IP address: To run DNS Server, you need to acquire a fixed IP address for your DiskStation. 8" or "1. It is programmed like a real DNS server. Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. DC IP/FQDN: Specify a domain controller's (DC) IP address or a Fully Qualified Domain Name (FQDN), and your Synology NAS will try to communicate with it. c. Git Server Refresh: Updates the Security. After enabling it and setting it as the default in my DHCP, it has become apparent it is not acting as a DNS server but just forwarding queries to my ISPs DNS provider. Click OK. Configuration Resolution. ; Domain name: Enter a registered domain name. DNS Server supports HMAC-MD5 and HMAC-SHA512 keys. The Safe Access service: intercepts DNS resolution requests to the SRM router IP*. For more information, refer to Help articles. ; View names can include up to 32 Unicode characters, including letters, numbers, as well as dashes, underscores, and dots. To enable resolution services: Tick Enable resolution service. just adding a list of names and corresponding IP addresses). Domain Name System (DNS) helps users find Internet applications, computers, or other network devices by translating domain names into IP addresses. The new secondary Fixed an issue where DNS Server might not be able to accurately listen to the IP address changes of Synology NAS when Synology High Availability was updated. The new secondary I am configuring my internal domain in Synology DNS Server and it all works except in docker where I get something like: query-errors client u/0x7fa7423adba8 172. 114" or "223. 2. I tried adding https:// before but it did not help. Aug 21, 2021 I'm still getting TLS handshake errors despite ensuring 5 times that my firewall and port A DNS server (if installed): this is independent of any other and if Safe Access isn't running will be used to resolve DNS requests set to the SRM LAN IP. 5" instead. The new secondary For the domain created by Synology Directory Server, you can tick Enable resolution service and Enable forwarders in the DNS Server package (details). If you are using other public DNS servers, set DNS server value according to the public DNS server you use. Temporarily turn off the IPv6 setup. cloud. 4". If you set your DNS server(s) to allow secure & non-secure updates (which is default), the printer would be able to register its “dynamic” DNS record to the DNS server(s). 123#53314: update 'XXX. From what I can see, under Network Center>Internet>Manually Configure DNS Server you can set a preferred DNS Server, and an Alternative DNS Server. chest @moppita. I'm using my myds. 23-6174 Directory Server: 4. I have the same issue after upgrading to DSM 7 , I can see on the NAS in the file services logs that its being blocked "User [admin] from [IP ADDRESS] failed to log in via [SMB] due to [NTLMv1 not permitted]. Are other people able to connect? - restarted DHCP-server package - Rebooted the Synology DS212+ I don't want to uninstall and reinstall the DHCP-server package, because have a lot of reserved ip-addresses I don't want to lose. com, which worked, but then my public subdomains (e. john. Note: If 2FA is enabled, you need to enter your password first. io. Log | DNS Server - Synology Knowledge Center DNS Server allows your DiskStation to become a domain name server, host multiple zones, as well as provide name and IP address resolution services. At DSM Control Panel > Network > General > Manually configure DNS server, set the DNS server value to "8. When there is a minor DSM version available, a message is displayed next to Status. 1. 559753 [info] Failed to update filter To sign in to DSM with the hardware security key: Open a browser, in the address bar, type in HTTPS:// followed by your DSM domain name associated with the security key you want to use. , www. For the domain created by Synology Directory Server, you can tick Enable resolution service and Enable forwarders in the DNS Server package (details). Under Network -> DSM Settings "Automatically To enable resolution services: Tick Enable resolution service. There are also no error's in the logs. I am using a work laptop which is locked down, I have no admin access and cannot update local security policy or group policy to force NTLMv2. I figured out all the DNS issues, it is now receiving group policy updates also. So, I'm using DNS server on my NAS so that I can access the NAS admin page over https rather than by its LAN IP address. 17. Before You Start. I recently moved my dns management from my registrar to cloudflare dns. You can customize the number of system resources used by DNS activity according to your environment. It was configured with my upstream router dns instead of a public dns. This is my VPN configuration on Synology: [X] Enable OpenVPN server Dynamic IP address: 192. joplin. After a client successfully joined the domain created by Synology Directory Server, the server will automatically register and update an A resource record (and AAAA resource record if IPv6 is enabled) to the DNS Service on DSM, mapping the hostname of the client to an IP address. If you are located in China, use "114. A DNS server (if installed): this is independent of any other and if Safe Access isn't running will be used to resolve DNS requests set to the SRM LAN IP. Go to the Default privileges tab to specify whether new users will be automatically granted access to use Cloud Station service. If you are located in China, use 114. TCP connections: The current number of TCP connections used for DNS queries. If you want a full local setup example including reverse DNS, there are plenty of references like these ones: Minor updates: Minor updates include security and bug fixes. DNS Server. 1-69057 Update 5, and I hope someone can provide some insights. me) without needing to remember an IP address (e. 2 or before to stop logging. invalid TLSA records; expired keys; missing records or keys in the chain of trust; States. 254. I tried various things as suggested here and elsewhere, but nothing worked. Your Synology NAS device's connection to the router is then successfully set up. ; Enter your username on the DSM login page and hit Enter or click the right arrow. DHCP Server dynamically assigns an IP address and other network configuration parameters to each device For the domain created by Synology Directory Server, you can tick Enable resolution service and Enable forwarders in the DNS Server package (details). 1. CIFS plain text password authentication lets LDAP users access files stored in Synology NAS via CIFS even if the LDAP server does not support Samba schema. ; Edit the following settings: Domain type: To perform normal resolution services, select Forward zone. ; A dialog appears where you can edit the view name, source IP list, forwarder, and zone settings. - is my router allowing all outgoing connections? I don't know. This page displays the keys currently used by DNS Server. DNS Server is also installed with the default settings. When you are unsure, you should never change or remove “non-secured” as it can cause more issues, unless you need that 120% super tight security environment. xxx. Firewall is configured like this DNS Server > Resolution is configured like that Those are I have a very strange problem using the Synology DNS server on my NAS, which all worked perfectly probably until about 2 months ago, and I wondered if anyone could throw any light on it. 1-3050 Added support for listening on IP address changes and automatic updates of DNS host records in the AD-integrated zone upon any changes in the IP address of This function, sometimes called split-horizon DNS, can improve security and privacy management of DNS zone records. Before you start. Fixed the issue where DNS Server might stop running when the domain name of Synology Directory Server conflicts with the domain name of another zone. synology. Change the IP address of the Synology NAS. So I did some digging and found this was the appropriate way to clear the DNS Service Cache It's essentially the same thing. I have 0 more idea's of what to try other than change my DNS Servers on my gateway, but that's not possible at the moment even tho it sounds - no, the DNS firewall is not off because my NAS in in the router's DMZ. under Network Center>Internet>Manually Configure DNS Server you can set a preferred DNS Server, and an Alternative DNS Server. php1/12/2015 UPDATE: I just figured out that the "Security Advisor" will detect this change as "Malware". character and there is a problem with the DNS updater But for certain reasons, you may need to change the IP address of the Synology NAS that is running Synology Directory Server. The Problem: Since the update, my reverse proxies have stopped functioning properly. Now when I test the upstream DNS servers, I get errors on all of them. Same message though. Setting up a Customized DDNS Provider. 8 with 8. conf under sites-enabled and the content is: I have a Synology RT2600ac router and a mesh network with a further Synology RT2600ac and a Synology RT2200. to connect to Server" errors. If the IP address is incorrect: The DNS server may not have your target's I have a few services that I want to keep internal but access via domains rather than IPs. 4" to the Alternative DNS server at the following locations: 1; For domains created by Synology Directory Server, Select an NTP server and click Update Now to make sure that the time shown on your Synology device is correct by doing the following: That fixed it! some reason it was set to manually configure DNS server. 6#42511 ({INTERNAL_DOMAIN}): query failed Background I want to dynamically update my DNS A records from my DHCP server, both running on the same synology NAS. Toggle signature-----Greetz Minor updates: Minor updates include security and bug fixes. static (this is not documented I dug a bit and found that the Synology DNS server logs show client 192. If you're using the Synology DNS server for your local clients or services on the Synology NAS, then you might need to clear it's cache. Select Create key. My theory was maybe that part of the message meant that part was successful and the other DNS server was the failure, but apparently To enable resolution services: Tick Enable resolution service. google and time. Set up spam filters and configure auto-learning to achieve accurate spam detection. This should be set to the internal router IP or a public one like 8. First you configure a CNAME domain forward on the public IP Address of your router To enable DNS-based Blackhole List filter: Use DNS-based Blackhole Lists (DNSBLs) to filter out spam published through the Internet Domain Name Service. I was able to make the local security change and the Synology share started to work. The user that is managing the DNS changes is Should be like this: -rwxr-xr-x 1 root root 797 Jan 8 16:16 dns_o_matic. Note: The resolution service must be enabled for the forwarder settings here to be applied. 8 On Alternative DNS Server type in: If the computer cannot connect to the Internet, please check your network environment (e. 1 Max be sure to allow traffic in Syno's firewall (Control panel>Security>Firewall) Comment. Install DNS Server: On DSM, launch Package Center and install DNS Server. Cause the network services reason I have no 80 and 443 port，so chose the dns way. ; Primary DNS server: Enter the IP address of the domain's primary server. Verified: Emails are sent with trusted TLS after passing DANE I'm reaching out to the community for assistance with a frustrating issue I've encountered after updating my Synology DS920+ NAS to DSM 7. As for security on the dns update: I did not use a key, as my DNS server only accepts updates from the internal network and local host anyway. Security, Backup or even Community, I had (stupidly) pointed the Synology configuration, under Network / General / Preferred DNS server, to the Synology DNS, not the external DNS. 0. Worked for me on my Synology router. Document Viewer. Pool. You can introduce the requisite update-policy entry by creating a file DNSServer/named/etc/samba/private/named. When I click on the App on the Synology Desk top I get "Unable to perform this operation, possibly because the network connection is unstable or the system is busy. Click Save to create the key. Toggle Dropdown. In this case, you can use Synology's DNS Server package to translate your domain names into corresponding IP addresses of your servers. 2-5644 Update 2. Please try again later. Now that you have the DNS Server installed and running, it's time to configure it properly. Oldest Latest Most likes Most comments G. We have a DS418+ that has been running as an Active Directory server and DNS server for the past 6 years with no problems. Please try again later. The new secondary To enable resolution services: Tick Enable resolution service. I tried to disable both the firewall and DNS Server > Resolution > Source IP list at the same time but to no avail. Secure: A domain that has DNSSEC set up correctly; Insecure: A domain that has no DNSSEC-related records present; Bogus: A domain that has DNSSEC set up but failed the verification due to:. dsm. I set up internal subdomains, e. I have an A record (subdomain) pointing to my wan ip. mydomain. me:50XX nothing happen. Git Server Refresh: Updates the Release Notes for DNS Server | Synology Inc. Release Notes for DNS Server Fixed a security vulnerability regarding DNS Server (CVE-2017-3142 and CVE-2017-3143). Mostly. 4. Check if the resolved IP address matches your target. Views. Download Station File Station. 5 instead. VPN Server is an add-on package that enables your Synology NAS to become a VPN (virtual private network) server, allowing DSM users over the Internet to access resources shared within the Synology product's local area network. com) and cloudflare dns. Setting up DDNS Security. It seems now I can no longer use the Package center. ; Go to User or Group tab to enable the users and groups to access Cloud Station service. Once Managing Hostnames. However, I tried it anyway. DNS Auto Registering. Configuring the antispam engine To enable the antispam engine: Mail Server > Security > Authentication; With the key generated, you can get started with the DKIM record. Follow the on-screen prompt to verify your Hi, as title suggest I'm using my nas with own sub-domain (e. com"), the Synology NAS will query other DNS servers or forward the query to specified DNS forwarders, and then relaying the result back to the client. Minor updates: Minor updates include security and bug fixes. Resolution. Tick Enable DNS-based Blackhole List filter. Configuring the antispam engine To enable the antispam engine: I Received word from Synology, they believed the issue to be a missing record on the dns server. 1". com:853: lookup security. Set up VPN Server. On the Security page, you can enable spam filters, antivirus scanning, or block/allow list to protect Synology MailPlus Server and its associated mail clients. A place to answer all your Synology questions. Thanks for the suggestion. I had the same issue after an OpenVPN client update a few months ago (after an Android OpenVPN Client update). 8" to the Preferred DNS server and "8. See above for more details. To edit settings: You can modify the following numbers in the Settings section: Maximum cache size: Choose how much cache can be used by DNS activity. 23-6117 (2022-02-17) Synology Knowledge Center offers comprehensive support, providing answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. Now I would like to use dynamic DNS record updates from an external DHCP server, but I cannot get it to work. I've enable my domain nameserver to point to cloudflare DNS Hi! Come and join us at Synology Community. How would I find out? Can this be a problem with the Synology servers? I heard there were problems before. It looks like the processer of do. It's really simple, and after googling I couldn't find a straight answer. cloudflare-dns. Configuring the antispam engine To enable the antispam engine: If the computer cannot connect to the Internet, please check your network environment (e. 8 or 8. 0, Synology is offering an important update mechanism. Complete the following steps to set up a DNS server. Keys. 10. A successful nslookup returns one or more IP addresses of your target from the DNS server. To apply advanced security To create a new secondary zone: Click Create. I've enable my domain nameserver to point to cloudflare DNS I am having a similar problem it started after I did the latest update. @gnoe_inc_* Apr 20, 2013 0 Likes. 172. Help needed!! Responses (1-10) Sorted by. When trying to access the DDNS using xx. g. It then uses SRM's own DNS server setting to resolve onwards (not the SRM DNS Server). Settings. How do I tweak the DSM DNS server settings to start accepting these My DNS was previously set to the default gateway address for some reason, but I wasn't having any issues, Regardless I set it to 8. Time updated Edit: time. I have just updated the DSM of a Synology Nas. Click Edit. 0 upgrade, and after several back-and-forth support chats and sending logs to Synology that didn't help, the group setting change did the trick for me. Cookies set by third parties may be required to power functionality in conjunction with various Hi! Come and join us at Synology Community. Report; did DNS Auto Registering. com" to your Synology NAS, which is not authoritative for this domain (i. Go to the General tab to modify the basic domain client settings of your Synology NAS. However the LOG file in DNS SErver still shows "update-security IN denied". MrFixit wrote:Sieberta, Thanks for the suggestion. To apply advanced security Try taking out the Google DNS Server and only including your DNS server and see if the messages go away. Using the Synology DNS server is quite a bit more involved than what you may see on some routers (i. Since the Synology DNS was offline You need to have (DNS-Level) control of a valid internet routable domain name. Enable PPTP, OpenVPN, or L2TP/IPSec service Thanks for the suggestion. I am trying to run a DNS server on my DSM. For example, if a client sends a query for the IP address of "synology. Back up Synology Directory Server with Hyper Backup. , gateway, DNS server, and proxy server settings) first. TSIG (Transfer Signature) keys limit what hosts are allowed to synchronize zone files from the primary server. If you want to configure a PTR record, select Reverse zone. If your LDAP directory is not provided by a Samba supporting server, tick Enable CIFS plain text password authentication, and do the following on your computers. DNS Server allows your Synology Router to become a domain name server, host multiple zones, as well as provide name and IP address resolution services. I have configured the network settings on client machines (Windows 10 Pro) to use the NAS as a DNS Server and both clients been able to join the domain successfully. The If the computer cannot connect to the Internet, please check your network environment (e. Here are some of the entries from the docker logs: 2023/05/10 04:33:17. Ask a question or start a discussion now. Synology: DS1621+ mit DSM 7. DDNS (Dynamic Domain Name System) simplifies connection to your Synology NAS over the Internet by mapping a hostname to its IP address. . Version: 2. conf. Configuring the DNS Server is performed by accessing the Main Menu and then running DNS Server. DNS server; Network environment; Router information; Depending on the type of your router, do one of the following: If your UPnP router has been tested to be compatible with Synology NAS device, click Apply when you see a summary of the router's information. I don't have any domain names, I just want to use it for resolution and recursive lookups for my local network. At DSM Control Panel > Network > General > Manually configure DNS server, About CIFS support and client computer settings. For example, DDNS allows you to access your Synology NAS using a domain name (e. update. 4 as secondary, but it hasn't made any "Can not resolve host" points always to a invalid DNS server. 114 or 223. The DNS resolution log for the DNS package on the Synology has the following errors for the clients having issues: update-security client u/0x7f9cac558fc8 *client LAN Dieser Fehler bedeutet, dass eines Ihrer Geräte versucht, Ihre DNS-Zone auf Ihrem DNS-Server zu aktualisieren. 16. Antispam. xxx:53). 8. Click DNSBL Servers to manage the server list. From Synology DSM open VPN Server -> hit OpenVPN on menu -> "verify CN server" should be the second checkbox from A note on the help page reads ~DoH service function if the DNS Server package is installed~ https: Issues with Secure dns setup fedora 37 upvotes subnetting on Synology router (SRM 1. You can modify the following advanced settings at Control Panel > Security > Advanced for DSM browsing sessions: HTTP Compression. com) stopped working while on my LAN. Starting from DSM 7. ; Source IP List: Click here to specify which hosts or subnets are allowed to make recursive queries through Synology NAS. What I've done so far. Fixed the issue where DNS Server might cause the passive server in a Synology High Availability cluster running on DSM 6. Update Now: Updates the status of all hostname entries which have DDNS service enabled. DSM: Control Panel > Regional Options > Time > Synchronize with NTP server SRM: Control Minor updates: Minor updates include security and bug fixes. To create a new key: Click Create. 5. To edit views: Select a view. DNS server: Edit the IP address of a DNS server that can resolve the IP addresses of domain controllers. To enable DNS-based Blackhole List filter: Use DNS-based Blackhole Lists (DNSBLs) to filter out spam published through the Internet Domain Name Service. DSM 5. 15. Temporarily assign "8. GNOE Inc. Outcomes. I want to use the cloudflare DNS proxy so that my IP will be masked, since I'm planning to only open port 443 in my router pair with a reverse proxy. Select an NTP server and click Update Now to make sure the time shown on your Synology device is correct. com: all resolvers failed: 5 errors: "read udp 192. I don't see an option for specifically allowing QuickConnect. Bitte sagen Sie mir zu Beginn, welche Version des DNS I'm constantly seeing those messages in DNS Server protocol from various of my AD-clients (Windows 10 Pro): It usually starts with an error and some info messages about insufficient Would appear that this issue has been rectified in the latest release of the DNS Server package from Synology. 1-42962 Update 5 DNSServer: 9. I didn't expect it to work as the message references my local DNS server / AD Server (as in Sent update to server : xxx. Version: 9. You can add a customized DDNS From Synology DSM open VPN Server -> hit OpenVPN on menu -> "verify CN server" should be the second checkbox from the bottom Reply reply More replies More replies More replies More replies Top 1% Rank by size Steps to reproduce I use the amcesh docker on my Synology DS220+ with 7. Please see the following notes before using DNS Server: Obtain a fixed, public IP address: To run DNS Server, you need to acquire a fixed IP address for your Synology Router. DNS server, DHCPD server. VPN Server. bcthyo yevk ldm pszqkc wjk znpd zymclnvb tby ugcv lwdrku