問題修正
升級 Samba 至 4.4.13 版本，並修正安全性漏洞 (CVE2017-2619)。
修正更新網域資料時可能失敗的問題，並提升網域資料更新速度。
修正加入網域可能失敗的問題。
修正某些機種可能無法建立儲存空間的問題。
修正 SNMP 可能無法正確回報 SSD 快取狀態的問題。
修正 SSD 讀寫快取在 RAID 1 中升級成容量較大的快取時，可能無法正常載入的問題。
提升 SHA 叢集中副伺服器的資源使用率。
提升加密共用資料夾卸載流程的穩定性。
修正 IPv6 用戶可能無法透過 L2TP 服務正常連線的問題。
修正在 DSM 建立 Bond 以後，MTU 可能發生錯誤的問題。
修正 IPv6 服務可能無法正常運作的問題。
修正 Bond 移除後，閘道器資訊可能遺失的問題。
調整套件中心付款方式。欲啟用 Paypal 付款，請至設定頁面中勾選「啟用額外付款方式」。
修改 IronWolf 健康管理 (IHM) 門檻。
修正 IronWolf 健康管理 (IHM) 啟動後，部分 4TB IronWolf 硬碟無法被偵測到的問題。
修正硬碟健康狀況的描述。
(2017/07/13)
問題修正
修正某些套件可能無法自動修復的問題。
修正 DS1817 上可能無法建立 SSD cache 的問題。
修正有關 administrators 群組使用者配額設定的數項問題。
修正在刪除並重新整理網域清單後，受信任的網域可能無法顯示的問題。
修正當沒有可用的外部 IP 位址時，存取檔案服務頁面可能會發生連線逾時的問題。
修正 DSM 在重新開機後可能無法建立網路連線的問題。
修正有關 FFmpeg 的安全性弱點 (CVE-2017-9993)。
修正有關 DSM 登入頁面的安全性弱點 (CVE-2017-9553, CVE-2017-9554)。
修正與 Nginx 相關的安全性漏洞 (CVE-2017-7529)。
(2017-07-19)
注意事項
此更新預計在數天內發佈至所有地區，但各地區的實際發佈時間可能略有不同。
此更新將會重新啟動您的 Synology NAS。
問題修正
修正有關 Nginx 的安全性弱點 (CVE-2017-7529)。
修正有關 Samba 的安全性弱點 (CVE-2017-11103)。
修正有關 DSM 登入頁面的安全性弱點 (CVE-2017-9553)。
(2020-05-13)
Important Note
The update is expected to be available for all regions within the next few weeks, although the time of release in each region may vary slightly. If you want to update to the latest version now, please go to Download Center and manually update your DSM.
This update includes fixes to the below issues mentioned in 6.2.3-25423.
Fixed the issue where the automatic mounting of encrypted shared folders might result in the loss of indexing rules and the failure of the search function.
Fixed the issue where the Synology NAS equipped with NVMe device might be woken up from hibernation by the update of NVMe device's health status cache.
This update will restart your Synology NAS.
Removed the support for Google Cloud Print in DSM 6.2.3 and above.
To avoid the interruption of iSCSI service, the automatic DSM update and your power schedule to shut down may not be executed as expected if there are any active iSCSI sessions.
Removed TWNIC from the list of DDNS service providers on DSM 6.2.3 since TWNIC will stop accepting new registrations for DSM as of Jul. 1, 2020. Your current TWNIC DDNS services can still be used and edited but will not be available again once deleted from DSM.
This is the last major DSM version (6.2) that supports the video conversion to .flv and MPEG-4 Part 2 on certain models (RS814, RS214, DS414, DS414slim, DS414j, DS216se, DS215j, DS214+, DS214, DS214se, DS213j, DS120j, DS119j, DS115, DS115j, and DS114) in consideration of the termination of Adobe's support for Flash Player by the end of 2020.
What's New in DSM 6.2.3
Thin Provisioning LUN will become protected upon insufficient volume space, preventing clients from writing data to the LUN while allowing read-only access to the existing data.
Added support for domain users to sign in to DSM using a UPN (user principal name) via file protocols (including SMB, AFP, FTP, and WebDAV).
Added support for the option of forcing password changes for importing local users.
Enhanced the compatibility of the imported user list, providing clearer error messages when the imported file contains syntax errors.
Added support to record only the events of SMB transfer selected by the user, providing transfer logs that meet the requirements more closely.
Added support for client users to monitor the changes of subdirectories under shared folders via SMB protocol.
Added details of desktop notifications to facilitate users' timely responses.
Added support for external UDF file system devices.
Added support for the Open vSwitch option in a high-availability cluster.
Added support for IP conflict detection, providing logs and notifications accordingly.
Added support for Let's Encrypt wildcard certificates for Synology DDNS.
Added support to waive the need of DSM login again through an HTTPS connection after a change in client's IP address.
Added support for hardware-assisted locking for Thick Provisioning LUN on an ext4 volume.
Added support for customized footer message on DSM login pages.
Fixed Issues
Fixed the issue where certain cities might be mapped to incorrect time zones.
Fixed the issue where LDAP users could not be notified of the upcoming password expiration.
Fixed the issue where the upload of LDAP certificate could not overwrite the original one with the same file name.
Fixed the issue where the application permissions settings might not be applied properly to the Domain Users group when such group in Windows AD domain was named other than "Domain Users".
Fixed the issue of inaccurate time of usage history in Resource Monitor.
Improved system responsiveness by reducing the latency of the Btrfs file system in certain scenarios.
Fixed the issue where SNMP did not provide the indices of Disk and RAID correctly.
Fixed the issue where the recycle bin of an encrypted shared folder might not be emptied properly.
Enhanced the DSM login performance for multiple concurrent logins.
Adjusted the personal notification mechanism to comply with the latest Gmail API.
Fixed the issue where the iSCSI service might be interrupted when the LUN backup task is stopped.
Removed the function of expanding the capacity of a block LUN.
Known Issues & Limitations
Access to DSM via HTTPS using Google Chrome on a client device running macOS 10.15 might fail after a DSM update from an older version.
To run Centralized Management System (CMS) on Surveillance Station after updating to DSM 6.2.3-25426, Surveillance Station 8.2.7 or above is required.
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