22 ssh

53 DNS

67 DHCP

135 epmap (end-point mapper)

• Microsoft DCE (Distributed Computing Environment) Locator service aka. end-point mapper. It works like Sun RPC (Remote Procedure Call) portmapper, except that end-points can also be named pipes.

• Used by WMI (Windows Management Instrumentation) i.e. Tools like Solarwinds and Insight Discovery use this port for retrieving server configuration information

1159 Oracle OMS

1186 mysql-cluster (ndb MySQL Cluster Manager)

1433 ms-sql-s (SQL Server)

Because port 1433 is the known standard for SQL Server, some organizations specify that the SQL Server port number should be changed to enhance security. This might be helpful in some environments. However, the TCP/IP architecture permits a port scanner to query for open ports, so changing the port number is not considered a robust security measure.

1521 Oracle Listener

Officially this is: ncube-lm, but is more commonly known as the default Oracle SQL*Net Listener Port

3306 MySQL

sudo netstat --listening --numeric --programs | grep 3306

3389 Remote Desktop Protocol (RDP)

3872 Oracle OEM Agent

This is configurable during Agent installation (3872 is the default)

8005 Apache Tomcat

8009 Apache Tomcat AJP Connector

8080 Apache Tomcat

8443 Apache Tomcat SSL

18080 MySQL Enterprise Monitor

18443 MySQL Enterprise Monitor SSL

33060 MySQL X-Protocol (object store) Port

33061 MySQL group replication (InnoDB cluster) Port