I voted Hermanson because he has saved our butts alot. Losing a ballgame late is the most demoralizing thing to happen to a ballclub. Without Hermanson, we would have had big time problems closing out a bunch of games that we have won.
Think of ports like TV channels. It all comes over one cable but you have to divide it up. So like web browsers usually use port 80 and FTP uses port 21. It's just a way of keeping everything in order for the different programs on your computer.