[Elecraft] KPA1500 Remote Software Setup

[Larry Libsch]

I am trying to set up the KPA1500 Remote Software to access my KPA1500 
from a distant location over the internet. Some questions:

Will I be successful using a reserved IP rather than a static IP?

The laptop I plan to use as a server is on the same LAN as the KPA1500. 
When I click the Host Remote tab on the KPA1500 Remote software and 
enter the amplifier's IP clicking the test button finds the KPA1500. The 
Server Setup box is pre-filled with Port 4626. The instructions 
downloaded from Elecraft say " If connection (Connect Remote ) is from 
outside the LAN, TCP port (4526) must be opened and forwarded." What are 
the internal and external ports that need to be forwarded? Is it the 
public IP of the router to which they need to be forwarded? Are the 
Username and Password prefilled as admin what I will need to connect 
from the computer attempting to control the amp over the internet?

On the Connect Remote tab the Host/IP is the public IP of the laptop on 
the LAN with the KPA1500? User and Password are those entered in the 
Host Remote tab?

Larry, K4KGG