Lurker assumed you would play the mod "fairly and squarely"
- but he probably got tired of editing the mod. I mean, after all, there are thousands of ports out there... Read-up some in that PDF file that I sent you the link to, and see if you can determine how to do it yourself. By the time you do about 20 of the ports, you'll forget what you did in the first one, and it'll be a surprise next time you go into that port... Do one hundred ports, and you'll forget them all within a few days...
- at least, I forget things quickly...
Traveller's Mod probably has the most "harbor patrols" and gun installations in it, but it is a Fleetboat side mod that sits on top of TMO / RSRDC. You could use it to get ideas from, though.