Have you ever wondered what network ports your Synology NAS uses for all the services it offers? Below I invite you to discover all the ports used by your device for the various services it provides. This list from the official Synology webpage can help you set firewall rules on your DiskStation or simply satisfy your curiosity on the topic. Please refer to the following list:
| Type | Port Number | Protocol |
| Synology Assistant | 9999, 9998, 9997 | UDP |
| Type | Port Number | Protocol |
| 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 (destination) | 6281 (multi-version backup)、22 (if encrypted over SSH)、873 (remote data copy) | TCP |
| Hyper Backup Vault, DSM 5.2 Archiving Backup | 6281 | TCP |
| LUN Backup | 3260 (iSCSI), 873, 22 (if encrypted over SSH) | TCP |
| Snapshot Replication | 3261 (iSCSI LUN), 5566 (Shared Folder) | TCP |
| Active Backup for Business | 5510, 443(vCenter Server and ESXi host), 902(ESXi host) | TCP |
| Type | Port Number | Protocol |
| BT | 6890 ~ 6999 (for models with firmware earlier than v2.0.1-3.0401); 16881 (for models with DSM v2.0.1 and onward) | TCP/UDP |
| eMule | 4662 (TCP), 4672 (UDP) | TCP/UDP |
| Type | Port Number | Protocol |
| DSM | 5000 (HTTP), 5001 (HTTPS) | TCP |
| File Station | 5000 (HTTP, additional port can be added), 5001 (HTTPS, additional port can be added) | TCP |
| Type | Port Number | Protocol |
| IMAP | 143 | TCP |
| IMAP over SSL/TLS | 993 | TCP |
| POP3 | 110 | TCP |
| POP3 over SSL/TLS | 995 | TCP |
| Type | Port Number | Protocol |
| AFP | 548 | TCP |
| CIFS | 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; however, the default range varies with models) | TCP |
| iSCSI | 3260 | TCP |
| NFS | 111, 892, 2049 | TCP/UDP |
| TFTP | 69 | UDP |
| WebDAV, CalDAV | 5005, 5006 (HTTPS) | TCP |
| Type | Port Number | Protocol |
| Audio Station | 1900 (UDP), 5000 (HTTP, additional port can be added), 5001 (HTTPS, additional port can be added), 5353 (Bonjour Service), 6001-6010 (AirPlay control/timing) | TCP/UDP |
| Calendar | 38008 , 38443 | CalDAV |
| CardDAV | 8008 (HTTP), 8443 (HTTPS) | TCP |
| Central Management System (CMS) | 5000 (HTTP), 5001 (HTTPS) | TCP |
| CIFS Scale-out Cluster | 49152-49252 TCP only: 17909, 17913, 19998, 24007, 24008, 24009-24045, 38465-38501, 4379 | TCP/UDP |
| Cloud Station | 6690 | TCP |
| DHCP Server | 67, 68 | UDP |
| LDAP Server (formerly Directory Server) | 389 (LDAP), 636 (LDAP with SSL) | TCP |
| Download Station | 5000 | TCP |
| Drive | 5000 (HTTP), 5001 (HTTPS), 6690 | TCP |
| iTunes Server | 3689 | TCP |
| Logitech® Media Server | 3483, 9002 | TCP |
| Mail Station | 80 (HTTP), 443 (HTTPS) | TCP |
| Media Server | 1900 (UPnP), 50001 (Content browsing), 50002 (Content streaming) | TCP/UDP |
| Moments | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Note Station | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Photo Station, Web Station | 80 (additional port can be added), 443 (HTTPS) | TCP |
| Presto File Server | 3360 (TCP/UDP), 3361 (TCP/UDP) | TCP/UDP |
| Proxy Server | 3128 | TCP |
| Surveillance Station | 9900 (HTTP), 9901 (HTTPS) | TCP |
| Syslog Server | 514 (additional port can be added) | TCP/UDP |
| 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), 3260-3264 (iSCSI), 16509, 16514, 30200-30300 | TCP |
| VPN Server (OpenVPN) | 1194 | UDP |
| VPN Server (PPTP) | 1723 | TCP |
| VPN Server (L2TP/IPSec) | 500, 1701, 4500 | UDP |
| Type | Port Number | Protocol |
| Drive | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS audio | 5000, 5001 (HTTPS) | TCP |
| DS cam | 5000, 5001 (HTTPS) | TCP |
| DS cloud | 6690 | TCP |
| DS download | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS file | Android: DS file 4.x and a DiskStation running DSM 4.3 and later: 5000, 5001 (HTTPS) DS file version prior to 4.0 or a DiskStation running DSM 4.2 or earlier: 5005, 5006 (HTTPS) | TCP |
| iOS: DS file 5.x and a DiskStation running DSM 4.3 and later: 5000, 5001 (HTTPS) DS file version prior to 4.0 or a DiskStation running DSM 4.2 or earlier: 5005, 5006 (HTTPS) | ||
| Windows Phone: 5000, 5001 (HTTPS) | ||
| DS finder | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS note | 5000 (HTTP), 5001 (HTTPS) | TCP |
| DS photo | 80, 443 (HTTPS) | TCP |
| DS video | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Moments | 5000 (HTTP), 5001 (HTTPS) | TCP |
| Type | Port Number | Protocol |
| Bonjour | 5353 | UDP |
| LPR | 515 | UDP |
| Network Printer (IPP)/CUPS | 631 | TCP |
| Network MFP | 3240-3259 | TCP |
| UPS | 3493 | TCP |
| Type | Port Number | Protocol |
| LDAP | 389, 636 (SLAPD) | TCP |
| MySQL | 3306 | TCP |
| Resource Monitor/SNMP | 161 | TCP/UDP |
| SSH/SFTP | 22 | TCP |
| Telnet | 23 | TCP |
This post was updated on Sunday / July 16th, 2023 at 6:10 AM