I've gotten no issues from my Zonealarm, or my AVG... Perhaps its a false positive? I looked at that link you provided, and it looks to just be opening backdoor ports.
And indeed I have about 15 UDP ports that have been opened (did a quick netstat
) >_>. I'm not to sure what that means, but I don't *think* its good is it? I'd really hate to ditch this as it has served me well so far (one false popup in about 8 hours of chatting).