What network ports are used by Synology DSM services?

Last updated: Aug 10, 2023

Details

The operations of DSM services require specific ports to be opened to ensure normal functionality. In this article, you can find the network ports and protocols required by DSM services for operations.

Contents

Resolution

Setup Utilities

TypePort NumberProtocol
Synology Assistant9999, 9998, 9997UDP

Backup

TypePort NumberProtocol
Active Backup for Business5510 (Synology NAS)1TCP
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 III9999, 9998, 9997, 137, 138, 139, 445TCP
DSM 5.2 Data Backup, rsync, Shared Folder Sync, Remote Time Backup873, 22 (if encrypted over SSH)TCP
Hyper Backup (destination)6281 (remote Synology NAS), 22 (rsync with transfer encryption enabled), 873 (rsync without transfer encryption)TCP
Hyper Backup Vault6281,
For DSM 7.0 or above: 5000 (HTTP), 5001 (HTTPS)		TCP
DSM 5.2 Archiving Backup6281TCP
LUN Backup3260 (iSCSI), 873, 22 (if encrypted over SSH)TCP
Snapshot Replication5566 (Advanced LUNs and shared folders)TCP
3261 (Legacy Advanced LUNs)TCP

Download

TypePort NumberProtocol
BTFor DSM 2.0.1 or above: 16881,
For DSM 2.0.1-3.0401 or below: 6890-6999		TCP/UDP
eMule4662TCP
4672UDP

Web Applications

TypePort NumberProtocol
DSM5000 (HTTP), 5001 (HTTPS)TCP

Mail Service

TypePort NumberProtocol
IMAP143TCP
IMAP over SSL/TLS993TCP
POP3110TCP
POP3 over SSL/TLS995TCP
SMTP25TCP
SMTP-SSL465TCP
SMTP-TLS587TCP

File Transferring

TypePort NumberProtocol
AFP548TCP
CIFS/SMBsmbd: 139 (netbios-ssn), 445 (microsoft-ds)TCP/UDP
Nmbd: 137, 138UDP
FTP, FTP over SSL, FTP over TLS21 (command),
20 (data connection in Active Mode), 1025-65535 (data connection in Passive Mode)2		TCP
iSCSI3260, 3263, 3265TCP
NFS111, 892, 2049TCP/UDP
TFTP69UDP
WebDAV5005, 5006 (HTTPS)TCP

Packages

TypePort NumberProtocol
Audio Station1900 (UDP), 5000 (HTTP), 5001 (HTTPS), 5353 (Bonjour service), 6001-6010 (AirPlay control/timing)TCP/UDP
C2 Identity Edge Server389 (LDAP), 7712 (HTTP), 8864TCP
53UDP
Central Management System5000 (HTTP), 5001 (HTTPS)TCP
CIFS Scale-out Cluster49152-49252TCP/UDP
17909, 17913, 19998, 24007, 24008, 24009-24045, 38465-38501, 4379TCP
Cloud Station6690TCP
DHCP Server53, 67, 68TCP/UDP
DNS Server53 (named)TCP/UDP
LDAP Server (formerly Directory Server)389 (LDAP), 636 (LDAP with SSL)TCP
Download Station5000 (HTTP), 5001 (HTTPS)TCP
File Station5000 (HTTP), 5001 (HTTPS)TCP
Hybrid Share50051 (catalog), 443 (API), 4222 (NATS)TCP
iTunes Server3689TCP
Log Center (syslog server)514 (additional port can be added)TCP/UDP
Logitech® Media Server3483, 9002TCP
MailPlus Server1344, 4190, 5000 (HTTP), 5001 (HTTPS), 5252, 8500 – 8520, 8893, 9526 – 9529, 10025, 10465, 10587, 11211, 11332 – 11334, 12340, 24245, 24246TCP
MailPlus web client5000 (HTTP), 5001 (HTTPS)TCP
Mail Station80 (HTTP), 443 (HTTPS)TCP
Media Server1900 (UPnP), 50001 (content browsing), 50002 (content streaming)TCP/UDP
Migration Assistant7400-7499 (DRBD), 22 (SSH)3DRBD
Note Station5000 (HTTP), 5001 (HTTPS)TCP
Photo Station, Web Station80 (HTTP), 443 (HTTPS)TCP
Presto File Server3360, 3361TCP/UDP
Proxy Server3128TCP
RADIUS Server1812, 18120UDP
SMI-S Provider5988 (HTTP), 5989 (HTTPS)TCP
Surveillance Station5000 (HTTP), 5001 (HTTPS)TCP
Synology Calendar5000 (HTTP), 5001 (HTTPS)TCP
Synology CardDAV Server8008 (HTTP), 8443 (HTTPS)TCP
Synology Chat5000 (HTTP), 5001 (HTTPS)TCP
Synology Contacts5000 (HTTP), 5001 (HTTPS)TCP
Synology Directory Server88 (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)4, 49300-49320 (RPC)TCP
Synology Drive Server80 (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 Moments5000 (HTTP), 5001 (HTTPS)TCP
Synology Photos5000 (HTTP), 5001 (HTTPS)TCP
Video Station1900 (UDP), 5000 (HTTP), 5001 (HTTPS), 9025-9040, 5002, 5004, 65001 (for using the HDHomeRun network tuner)TCP/UDP
Virtual Machine Manager2379-2382 (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)1194UDP
VPN Server (PPTP)1723TCP
VPN Server (L2TP/IPSec)500, 1701, 4500UDP

Mobile Applications

TypePort NumberProtocol
DS audio5000 (HTTP), 5001 (HTTPS)TCP
DS cam5000 (HTTP), 5001 (HTTPS)TCP
DS cloud6690TCP
DS file5000 (HTTP), 5001 (HTTPS)TCP
DS finder5000 (HTTP), 5001 (HTTPS)TCP
DS get5000 (HTTP), 5001 (HTTPS)TCP
DS note5000 (HTTP), 5001 (HTTPS)TCP
DS photo80(HTTP), 443 (HTTPS)TCP
DS video5000 (HTTP), 5001 (HTTPS)TCP
MailPlus5000 (HTTP), 5001 (HTTPS)TCP
Synology Drive5000 (HTTP), 5001 (HTTPS)TCP
Synology Moments5000 (HTTP), 5001 (HTTPS)TCP
Synology Photos5000 (HTTP), 5001 (HTTPS)TCP

Peripheral Equipment

TypePort NumberProtocol
Bonjour5353UDP
LPR515UDP
Network Printer (IPP)/CUPS631TCP
Network MFP3240-3259TCP
UPS3493TCP

System

TypePort NumberProtocol
LDAP389, 636 (SLAPD)TCP
MySQL3306TCP
NTP123UDP
Resource Monitor/SNMP161TCP/UDP
SSH/SFTP22TCP
Telnet23TCP
WS-Discovery3702UDP
WS-Discovery5357 (Nginx)TCP

Notes:

  1. For the backup destination of Synology NAS, Hyper-V, or physical Windows/Linux/macOS devices.
  2. The default range varies according to your Synology product models.
  3. For the SSH service that runs on a customized port, make sure the port is accessible.
  4. Only Synology Directory Server version 4.10.18-0300 requires port 49152.

Further reading

Source :
https://kb.synology.com/en-global/DSM/tutorial/What_network_ports_are_used_by_Synology_services

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