Ports and protocols

        
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    21	TCP	FTP control	FTP Publishing Service
    21	TCP	FTP control	Application Layer Gateway Service

    23	TCP	Telnet	Telnet

    25	TCP	SMTP	Simple Mail Transfer Protocol
    25	TCP	SMTP	Exchange Server

    53	TCP	DNS	DNS Server
    53	UDP	DNS	DNS Server
    53	TCP	DNS	Internet Connection Firewall/Internet Connection Sharing
    53	UDP	DNS	Internet Connection Firewall/Internet Connection Sharing

    67	UDP	DHCP Server	DHCP Server
    67	UDP	DHCP Server	Internet Connection Firewall/Internet Connection Sharing

    88	TCP	Kerberos	Kerberos Key Distribution Center
    88	UDP	Kerberos	Kerberos Key Distribution Center

    123	UDP	NTP	Windows Time
    123	UDP	SNTP	Windows Time

    162	UDP	SNMP Traps Outgoing	SNMP Trap Service

    389	TCP	LDAP Server	Local Security Authority
    389	UDP	DC Locator	Local Security Authority
    389	TCP	LDAP Server	Distributed File System Namespaces
    389	UDP	DC Locator	Distributed File System Namespaces
    389	UDP	DC Locator	Netlogon
    389	UDP	DC Locator	Kerberos Key Distribution Center
    389	TCP	LDAP Server	Distributed File System Replication
    389	UDP	DC Locator	Distributed File System Replication

    464	UDP	Kerberos Password V5	Kerberos Key Distribution Center
    464	TCP	Kerberos Password V5	Kerberos Key Distribution Center

    636	TCP	LDAP SSL	Local Security Authority
    636	UDP	LDAP SSL	Local Security Authority

    647	TCP	DHCP Failover	DHCP Failover

    3268	TCP	Global Catalog	Local Security Authority
    3269	TCP	Global Catalog	Local Security Authority

    3343	UDP	Cluster Services	Cluster Service

    3389	TCP	RDS	RDS
    3389	UDP	RDS	RDS

    5985	TCP	HTTP	WinRM 2.0
    5986	TCP	HTTPS	WinRM 2.0