public IpPermission withFromPort(Integer fromPort) {
        setFromPort(fromPort);
        return this;
    }
<p>
A starting value for a range of allowed port numbers.
</p>
<p>
For fleets using Linux builds, only ports <code>22</code> and <code>1026-60000</code> are valid.
</p>
<p>
For fleets using Windows builds, only ports <code>1026-60000</code> are valid.
</p>

@param fromPort
       A starting value for a range of allowed port numbers.</p>
       <p>
       For fleets using Linux builds, only ports <code>22</code> and <code>1026-60000</code> are valid.
       </p>
       <p>
       For fleets using Windows builds, only ports <code>1026-60000</code> are valid.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/IpPermission.java