Open Inbound Ports page
This page identifies the ports that should be accessible to an Amazon EC2 instance.
Click Add Rule 
to display options for defining ...
To set up an additional connection, click Add Rule again.
Option | Description |
|---|---|
Type | Select the TCP or UCP Internet connection protocol. |
Port Number | Port number that should be made available. |
Source Address | The IP address or range of IP addresses allowed to access a port. Specify a range of addresses using syntax such as 192.29.1.0/24. To indicate that all addresses can access the port, enter 0.0.0.0/0. |
Source Mask | The mask applied to the source address, if applicable. |
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