What network ports are used by Synology services?

https://www.synology.com/en-us/knowledgebase/faq/299

Answer :

Please refer to the following list:

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 and Remote Time Backup 873 (Data – Share), 3260 (iSCSI LUN), 6281 (Data – Volume) TCP
Encrypted Network Backup and Encrypted 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);
16881 (for models with DSM v2.0.1 and onward)
TCP/UDP
Web Applications
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
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), 1025-65535 (Data connection in Passive Mode; however, the default range varies with models) 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
TFTP 69 UDP
Packages
Type Port Number Protocol
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 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
Surveillance Station 9900 (HTTP), 9901 (HTTPS) TCP
Media Server 1900 (UPnP), 50001 (Content browsing), 50002 (Content streaming) TCP/UDP
Video Station 1900 (UDP), 5000 (HTTP), 5001 (HTTPS), 9025-9040,
5002, 5004, 65001 (for using the HDHomeRun network tuner)
TCP/UDP
Note Station 5000 (HTTP), 5001 (HTTPS) TCP
Cloud Station 6690 TCP
VPN Server (OpenVPN) 1194 UDP
VPN Server (PPTP) 1723 TCP
VPN Server (L2TP/IPSec) 500, 1701, 4500 UDP
Syslog Server 514 (additional port can be added) TCP/UDP
iTunes Server 3689 TCP
Logitech® Media Server 3483, 9002 TCP
Directory Server 389 (LDAP), 636 (LDAP with SSL) TCP
DHCP Server 67, 68 UDP
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
Proxy Server 3128 TCP
CardDAV 8008 (HTTP), 8443 (HTTPS) TCP
Mobile Applications
Type Port Number Protocol
DS photo 80, 443 (HTTPS) TCP
DS audio 5000, 5001 (HTTPS) TCP
DS cam 5000, 5001 (HTTPS) TCP
DS file

Android devices:

– 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 devices:

– 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 video 5000 (HTTP), 5001 (HTTPS) TCP
DS download 5000 (HTTP), 5001 (HTTPS) TCP
DS cloud 6690 TCP
DS note 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

 

What network ports are used by Synology services?