SharePoint 2016 Ports

Protocol	Port	Usage	Comment
TCP	80	http	Client to SharePoint web server traffic (SharePoint – Office Online Server/Office Web Apps communication)
TCP	443	https/ssl	Encrypted client to SharePoint web server traffic (Encrypted SharePoint – Office Online Server/Office Web Apps communication)
TCP	1433	SQL Server default communication port.	May be configured to use custom port for increased security
UDP	1434	SQL Server default port used to establish connection	May be configured to use custom port for increased security
TCP	445	SQL Server using named pipes	When SQL Server is configured to listen for incoming client connections by using named pipes over a NetBIOS session, SQL Server communicates over TCP port 445
TCP	25	SMTP for e-mail integration	Cannot in 2016 be configured (Use SMTP ports other than the default (25).)
TCP	16500-16519	Ports used by the search index component	Intra-farm only Inbound rule Added to Windows firewall by SharePoint. (GPO may override this change)
TCP	22233-22236	Ports required for the AppFabric Caching Service	Used by the Distributed Cache…
TCP	808	Search – Query processing component Windows Communication Foundation communication	Search – Query processing component (WCF)
TCP	32843	Communication between Web servers and service applications	http (default) To use custom port, see references section Inbound rule Added to Windows firewall by SharePoint
TCP	32844	Communication between Web servers and service applications	https Inbound rule Added to Windows firewall by SharePoint
TCP	32845	net.tcp binding: TCP 32845 (only if a third party has implemented this option for a service application)	Custom Service Applications Inbound rule Added to Windows firewall by SharePoint
TCP	32846	Microsoft SharePoint Foundation User Code Service (for sandbox solutions)	Inbound on all Web Servers Inbound rule Added to Windows firewall by SharePoint Outbound on all Web and App servers with service enabled.
TCP	636	User Profile Synchronization Service/Active Directory Import	Synchronizing profiles between SharePoint 2016 and AD using SLDAP (Secure LDAP)
TCP	5725	User Profile Synchronization Service	Synchronizing profiles between SharePoint 2016 and Active Directory Domain Services (AD DS)
TCP + UDP	389	User Profile Synchronization Service	LDAP Service
TCP + UDP	88	User Profile Synchronization Service	Kerberos
TCP + UDP	53	User Profile Synchronization Service	DNS
UDP	464	User Profile Service	Kerberos change password
TCP	809	Office Online Server/Office Web Apps	Office Online Server/Office Web Apps intra-farm communication.