Synology NAS Service Port Infomation

Setup Utilities
Type	Port Number	Protocol
Synology Assistant	9999, 9998, 9997	UDP

Backup
Type	Port Number	Protocol
Data Replicator, Data Replicator II, Data Replicator III	9999, 9998, 9997, 137, 138, 139, 445	TCP
Network Backup	873	TCP
Encrypted Network Backup (Remote Time Backup)	22	TCP

Download
Type	Port Number	Protocol
eMule	4662(TCP), 4672(UDP)	TCP/UDP
BT	6890 ~ 6999 (for models with firmware earlier than v2.0.1-3.0401);  6881 (for models with DSM v2.0.1 and onward)	TCP/UDP

Web Applications
Type	Port Number	Protocol
DSM	5000 (HTTP), 5001 (HTTPS)	TCP
Download Station	5000	TCP
Photo Station, Web Station	80 (additional port can be added), 443 (HTTPS)	TCP
Mail Station	80 (HTTP), 443 (HTTPS)	TCP
Audio Station	5000 (HTTP, additional port can be added), 5001 (HTTPS, additional port can be added), 5353(Bonjour Service), 6001-6010(AirPlay control/timing)	TCP/UDP
File Station	5000 (HTTP, additional port can be added), 5001(HTTPS, additional port can be added)	TCP
Surveillance Station	9900 (HTTP), 9901(HTTPS)	TCP
Media Server	1900 (UPnP), 50001 (Content browsing), 50002 (Content streaming)	TCP/UDP
Video Station	5000 (HTTP), 5001 (HTTPS), 9006	TCP

Mail Server
Type	Port Number	Protocol
SMTP	25	TCP
POP3	110	TCP
IMAP	143	TCP
IMAP over SSL/TLS	993	TCP
POP3 over SSL/TLS	995	TCP

File Transferring
Type	Port Number	Protocol
FTP, FTP over SSL, FTP over TLS	21 (command), 20 (Data connection in Active Mode), 55536-55663 (Data connection in Passive Mode)	TCP
AFP	548	TCP
CIFS	smbd: 139 (netbios-ssn), 445 (microsoft-ds)	TCP/UDP
	Nmbd: 137, 138	UDP
NFS	111, 892, 2049	TCP/UDP
WebDAV, CalDAV	5005, 5006 (HTTPS)	TCP
iSCSI	3260	TCP

Packages
Type	Port Number	Protocol
Cloud Station	6690	TCP
VPN Server (OpenVPN)	1194	UDP
VPN Server (PPTP)	1723	TCP
Syslog Server	514 (additional port can be added)	TCP/UDP
iTunes Server	3689	TCP
Directory Server	389 (LDAP), 636 (LDAP with SSL)	TCP
DHCP Server	67, 68	UDP

Mobile Applications
Type	Port Number	Protocol
DS photo+	80, 443 (HTTPS)	TCP
DS audio	5000, 5001 (HTTPS)	TCP
DS cam	5000	TCP
DS file	5005, 5006 (HTTPS)	TCP
DS finder	5000 (HTTP), 5001 (HTTPS)	TCP
DS video	5000 (HTTP), 5001 (HTTPS)	TCP
DS download	5000 (HTTP), 5001 (HTTPS)	TCP

Printers, UPS and Peripheral Equipments
Type	Port Number	Protocol
LPR	515	UDP
Network Printer (IPP)/CUPS	631	TCP
Bonjour	5353	UDP
Network MFP	3240-3259	TCP
UPS	3493	TCP

System
Type	Port Number	Protocol
SSH/SFTP	22	TCP
Telnet	23	TCP
Resource Monitor/SNMP	161	TCP/UDP
MySQL	3306	TCP
LDAP	389, 636 (SLAPD)	TCP