Colourful Language

To 'swear like a trooper' was and is, by definition, part of the colour of military life. While we place no requirement on participants to avoid this aspect of historical re-enactment in their private communications, the wishes of any individual who objects to it, once made known, must be respected.
Verbal abuse, however, will not be tolerated. On the first instance, the offending party shall be warned. On the second instance, their participation in any current wargames will be terminated and all players warned against playing them.
Verbal Abuse is defined as language directed at a member which is either insulting or demeaning, whether profane language is used or not.

Cheating and accusations

Cheating is as repugnant as it is difficult to prove. If you need to cheat, you're not welcome here. Fortunately, the medium of umpired wargames means that it is very difficult for cheating to take place, except by the umpire for a particular game. Though it may be impossible to prove openly, the rest of us will soon find you out. If you can live with the stigma it seems sad, but the rest of us don't want to put you through the ignominy being talked about and vilified, so don't do it!
Open accusations of cheating will also not be tolerated. Sullying an umpire's or player's name because you saw something that may have been no more than a program glitch or extreme odds is unacceptable. Anyone who makes such an accusation in public will not be welcome.
If you suspect that your umpire or someone else is either deliberately misrepresenting you, has modified files outside the expected and described parameters for the game or is otherwise acting in an unacceptable manner, your alternatives are: 1. Withdraw from the game (but do join in someone else's). 2. Continue the game to its conclusion and don't play with them again. Cheats will soon run out of fellow participants.

Failure to follow the wargame rules

It is a fact that we are all human and make mistakes, and often fail to see them no matter how many times we look. Because the rules are quite comprehensive a certain amount of leeway should be given to an umpire or opponent. However, it is a basic requirement to read and have a reasonable knowledge of the rules before embarking on a game. Ignorance of the rules is not an excuse for violation of them.
In the event of a transgression, I am sure it is not difficult to work out a solution by making sure it is noted so as not to be repeated and, if particularly influential on the game, by playing the phase or turn again.
Misunderstandings will be tolerated. Flagrant violations will not. We're about historical wargaming as an end in itself, not manipulating the game system for the sake of 'winning'.