user datagram protocol (UDP) ports

UDP is a fire and forget protocol

53

DNS

for TCP its used for zone transfer, for UDP its used for DNS queries

67

DHCPS

• server port for DHCP

68

DHCPC

• client port for DHCP

69

TFTP

-trivial file transfer protocol

123

NTP

135

MSRPC

• advertises what Remote Procedure Call(RPC) services are available in a Windows environment

137

NETBIOS-NS

• NetBIOS name service which supports Windows File Sharing with pre-Windows 2000 version hosts

138

NETBIOS-DGM

• NetBIOS Datagram Service which supports Windows File Sharing with pre Windows 2000 version hosts

139

NETBIOS-SSN

• NetBIOS session service which supportsd windows file sharing with pre windows 2000 version hosts

161

SNMP

• agent port for simple network management protocol

162

SNMP

• management station port for receiving SNMP trap messages

445 MICROSOFT-DS

supports Windows File Sharing(server message block over TCP/IP on current Windows networks

500

ISAKMP

• internet security association and key management protocol that is used to set up IPsec tunnels

514

syslog

• server port for syslog daemon(syslog server)

520

RIP- routing information protocol

631

IPP-internet printing protocol

1434

MS-SQL

• microsoft SQL server

1900

UPNP

• universal plug and play which used for autoconfiguration of port forwarding by game consoles and other appliances

4500

NAT-T-IKE

• used to set up IPsec traversal through a network address translation(NAT) gateway