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Certificate
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Tutorial & FAQ > DiskStation Manager
11 Apr 2024 - Purpose This article explains how to obtain a certificate from Let's Encrypt on your Synology NAS. You can also follow the instructions in this video tutorial . Environment The Let's Encrypt DST Root CA X3 certificate is expired as of September 30, 2021...
Tutorial & FAQ > DiskStation Manager
1 Mar 2023 - Purpose Some certificate issuing authorities might require a certificate signing request (CSR) when you apply for a certificate. This article guides you through the steps of creating a CSR on Synology NAS. Environment For DSM 7.x and DSM 6.x. Resolution...
Tutorial & FAQ > DiskStation Manager
11 Nov 2022 - Symptoms Your Synology self-signed certificate expired. Resolutions DSM version 7.1 or above supports the renewal of the expired Synology self-signed certificate . However, renewing a self-signed certificate may affect the functionality of PC utilities...
Tutorial & FAQ > DiskStation Manager
11 Oct 2022 - Symptoms You have encountered a warning message "ERR_CERT_COMMON_NAME_INVALID" showing that the website is not secured when connecting to a Synology device via a browser using the HTTPS protocol. Diagnosis The web browser requires a third-party certificate...
Tutorial & FAQ > DiskStation Manager
7 Sep 2022 - Purpose This article provides information on configuring secure and stable connections between the Active Backup for Business agent and server. Your certificate settings and connection methods, such as connecting via private IP addresses, public IP addresses...
Tutorial & FAQ > C2
11 Jul 2022 - Details Communication between C2 Identity edge servers and their LDAP clients is encrypted using the TLS protocol. If you want to replace the default certificate with a customized one, refer to the following steps. Resolution Before you start Make sure...
Tutorial & FAQ > DiskStation Manager
24 Mar 2022 - Symptoms You received unexpected email notifications from Let’s Encrypt. Resolutions Try to troubleshoot with the steps below according to your situations. An email notification asking you to use ACME v2 Update your DSM to at least 6.2.2 Update 3 or above...
Tutorial & FAQ > DiskStation Manager
4 Jan 2022 - Symptoms You received one of the following error messages when importing a certificate to DSM or SRM: Invalid private key. Illegal private key. Resolution Make sure that your private key meets the following requirements: The private key is not passphrase-protected...
Tutorial & FAQ > DiskStation Manager
21 Dec 2021 - Symptoms You are unable to create or renew the Let's Encrypt certificate on a Synology device. Diagnosis The registration or renewal of Let's Encrypt certificate may not proceed under the following reasons: The Let's Encrypt certificate is transferred...
Tutorial & FAQ > DiskStation Manager
20 Oct 2021 - Details You cannot delete a certificate in DSM Control Panel > Security > Certificate because the Delete option in the context menu is unavailable. Resolution If a certificate has been set as the default certificate, it cannot be deleted. To delete this...
Tutorial & FAQ > DiskStation Manager
12 Mar 2021 - Purpose This article guides you through the steps of forcing DSM desktop to use HTTPS connection instead of HTTP connection. Resolution Synology DSM desktop can be accessed via the default ports 5000 (HTTP) or 5001 (HTTPS). You can check your DSM ports...
Tutorial & FAQ > DiskStation Manager
10 Mar 2021 - Details Many organizations and services (e.g., banks, government institutions, email services) implement HTTPS and digital identity certificates to make sure sensitive data (e.g., passwords, credit card information) is encrypted and secure when transferred...
Tutorial & FAQ > Unified Controller
18 Jan 2021 - Purpose HTTPS (Hypertext Transfer Protocol Secure) can be used to encrypt and secure network communication between your Synology Unified Controller and other devices, protecting against eavesdropping or other attacks. This article shows how to enable...