Setup Utilities
| Type | Port Number | Protocol |
| Synology Assistant | 9999, 9998, 9997 | UDP |
Backup
| Type | Port Number | Protocol |
| Active Backup for Business | 5510 (Synology NAS) | TCP |
| 443 (vCenter Server and ESXi host), 902 (ESXi host), 445 (SMB for Hyper-V host), 5985 (HTTP for Hyper-V host), 5986 (HTTPS for Hyper-V host) | TCP | |
| Data Replicator, Data Replicator II, Data Replicator III | 9999, 9998, 9997, 137, 138, 139, 445 | TCP |
| DSM 5.2 Data Backup, rsync, Shared Folder Sync, Remote Time Backup | 873, 22 (if encrypted over SSH) | TCP |
| Hyper Backup (backup destination) | 22 (rsync with transfer encryption enabled), 873 (rsync without transfer encryption), 5005 (WebDAV), 5006 (WebDAV with HTTPS) | TCP |
| Hyper Backup Vault for DSM 7.0 and above | 6281, 5000 (HTTP), 5001 (HTTPS) | TCP |
| Hyper Backup Vault for DSM 6.0 | 6281 | TCP |
| LUN Backup | 3260 (iSCSI), 873, 22 (if encrypted over SSH) | TCP |
| Snapshot Replication | 5000 (HTTP), 5001 (HTTPS) | TCP |
| 5566 (Advanced LUNs and shared folders) | TCP | |
| 3261 (Legacy Advanced LUNs) | TCP |
Download
| Type | Port Number | Protocol |
| BT | For DSM 2.0.1 or above: 16881, For DSM 2.0.1-3.0401 or below: 6890-6999 | TCP/UDP |
| eMule | 4662 | TCP |
| 4672 | UDP |
Web Applications
| Type | Port Number | Protocol |
| DSM | 5000 (HTTP), 5001 (HTTPS) | TCP |
Mail Service
| Type | Port Number | Protocol |
| IMAP | 143 | TCP |
| IMAP over SSL/TLS | 993 | TCP |
| POP3 | 110 | TCP |
| POP3 over SSL/TLS | 995 | TCP |
| SMTP | 25 | TCP |
| SMTP-SSL | 465 | TCP |
| SMTP-TLS | 587 | TCP |
File Transferring
| Type | Port Number | Protocol |
| AFP | 548 | TCP |
| CIFS/SMB | smbd: 139 (netbios-ssn), 445 (microsoft-ds) | TCP/UDP |
| Nmbd: 137, 138 | UDP | |
| FTP, FTP over SSL, FTP over TLS | 21 (command), 20 (data connection in Active Mode), 1025-65535 (data connection in Passive Mode) | TCP |
| iSCSI | 3260, 3263, 3265 | TCP |
| NFS | 111, 892, 2049 | TCP/UDP |
| TFTP | 69 | UDP |
| WebDAV | 5005, 5006 (HTTPS) | TCP |
Packages
| Type | Port Number | Protocol |
| Audio Station | 1900 (UDP), 5000 (HTTP), 5001 (HTTPS), 5353 (Bonjour service), 6001-6010 (AirPlay control/timing) | TCP/UDP |
| Active Backup for Google Workspace | 443 (API) | TCP |
| Active Backup for Microsoft 365 | 443 (API) | TCP |
| C2 Identity Edge Server | 389 (LDAP), 7712 (HTTP), 8864 | TCP |
| 53 | UDP | |
| Central Management System | 5000 (HTTP), 5001 (HTTPS) | TCP |
| CIFS Scale-out Cluster | 49152-49252 | TCP/UDP |
| 17909, 17913, 19998, 24007, 24008, 24009-24045, 38465-38501, 4379 | TCP | |
| Cloud Station | 6690 | TCP |
| DHCP Server | 53, 67, 68 | TCP/UDP |
| DNS Server | 53 (named) | TCP/UDP |
| LDAP Server (formerly Directory Server) | 389 (LDAP), 636 (LDAP with SSL) | TCP |
| Download Station | 5000 (HTTP), 5001 (HTTPS) | TCP |
| File Station | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Hybrid Share | 50051 (catalog), 443 (API), 4222 (NATS) | TCP |
| iTunes Server | 3689 | TCP |
| Log Center (syslog server) | 514 (additional port can be added) | TCP/UDP |
| Logitech® Media Server | 3483, 9002 | TCP |
| MailPlus Server | 1344, 4190, 5000 (HTTP), 5001 (HTTPS), 5252, 8500-8520, 8893, 9526-9529, 10025, 10465, 10587, 11211, 11332-11334, 12340, 24245, 24246 | TCP |
| MailPlus web client | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Mail Station | 80 (HTTP), 443 (HTTPS) | TCP |
| Media Server | 1900 (UPnP), 50001 (content browsing), 50002 (content streaming) | TCP/UDP |
| Migration Assistant | 7400-7499 (DRBD), 22 (SSH) | DRBD |
| Note Station | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Photo Station, Web Station | 80 (HTTP), 443 (HTTPS) | TCP |
| Presto File Server | 3360, 3361 | TCP/UDP |
| Proxy Server | 3128 | TCP |
| RADIUS Server | 1812, 18120 | UDP |
| SMI-S Provider | 5988 (HTTP), 5989 (HTTPS) | TCP |
| Surveillance Station | 5000 (HTTP), 5001 (HTTPS), 1935 (RTMP) | TCP |
| Synology Calendar | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Synology CardDAV Server | 8008 (HTTP), 8443 (HTTPS) | TCP |
| Synology Chat | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Synology Contacts | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Synology Directory Server | 88 (Kerberos), 389 (LDAP), 464 (Kerberos password change) | TCP/UDP |
| 135 (RPC Endpoint Mapper), 636 (LDAP SSL), 1024 (RPC), 3268 (LDAP GC), 3269 (LDAP GC SSL), 49152 (RPC), 49300-49320 (RPC) | TCP | |
| Synology Drive Server | 80 (link sharing), 443 (link sharing), 5000 (HTTP), 5001 (HTTPS), 6690 (file syncing/backup) | TCP |
| Synology High Availability (HA) | 123 (NTP), ICMP, 5000 (HTTP), 5001 (HTTPS), 1234, 9997, 9998, 9999 (Synology Assistant), 874, 5405, 5406, 7400-7999 (HA) | TCP/UDP |
| Synology Moments | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Synology Photos | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Video Station | 1900 (UDP), 5000 (HTTP), 5001 (HTTPS), 9025-9040, 5002, 5004, 65001 (for using the HDHomeRun network tuner) | TCP/UDP |
| Virtual Machine Manager | 2379-2382 (cluster network), ICMP, 3260-3265 (iSCSI), 5000 (HTTP), 5001 (HTTPS), 5566 (replication), 16509, 16514, 30200-30300, 5900-5999 (QEMU), 2385 (Redis Server) | TCP |
| VPN Server (OpenVPN) | 1194 | UDP |
| VPN Server (PPTP) | 1723 | TCP |
| VPN Server (L2TP/IPSec) | 500, 1701, 4500 | UDP |
Mobile Applications
| Type | Port Number | Protocol |
| DS audio | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS cam | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS cloud | 6690 | TCP |
| DS file | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS finder | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS get | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS note | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS photo | 80(HTTP), 443 (HTTPS) | TCP |
| DS video | 5000 (HTTP), 5001 (HTTPS) | TCP |
| MailPlus | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Synology Drive | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Synology Moments | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Synology Photos | 5000 (HTTP), 5001 (HTTPS) | TCP |
Peripheral Equipment
| Type | Port Number | Protocol |
| Bonjour | 5353 | UDP |
| LPR | 515 | UDP |
| Network Printer (IPP)/CUPS | 631 | TCP |
| Network MFP | 3240-3259 | TCP |
| UPS | 3493 | TCP |
System
| Type | Port Number | Protocol |
| LDAP | 389, 636 (SLAPD) | TCP |
| MySQL | 3306 | TCP |
| NTP | 123 | UDP |
| Resource Monitor/SNMP | 161 | TCP/UDP |
| SSH/SFTP | 22 | TCP |
| Telnet | 23 | TCP |
| WS-Discovery | 3702 | UDP |
| WS-Discovery | 5357 (Nginx) | TCP |
Lưu ý:
- Đối với điểm đến sao lưu của Synology NAS, Hyper-V hoặc thiết bị Windows/Linux/macOS.
- Phạm vi mặc định thay đổi tùy theo model sản phẩm Synology của bạn.
- Cho phép truy cập vào các trang web sau: synology.com, googleapis.com, google.com và googleusercontent.com.
- Cho phép truy cập vào các trang web sau: synology.com, synooauth.synology.com, sy.to, kb.synology.com, microsoft.com, microsoftonline.com, office365.com, sharepoint.com, chinacloudapi.cn (chỉ dành cho Trung Quốc) và outlook.cn (chỉ dành cho Trung Quốc).
- Đối với dịch vụ SSH chạy trên cổng tùy chỉnh, hãy đảm bảo rằng cổng đó có thể truy cập được.
- Chỉ có Synology Directory Server phiên bản 4.10.18-0300 yêu cầu cổng 49152.
- Video Station đã ngừng hoạt động kể từ DSM 7.2.2. Tham khảo các giải pháp thay thế được đề xuất.
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