Hi , This is Auntie asking for the definition in newbie language of ARP protection. I have Zone Alarm Pro and was looking over its features one of which was to check or uncheck ARP protection.Being a novice compared to most of you I am trying to learn whatever I can. I cannot help any of you computer whiz people. you are galaxies ahead of me. but perhaps you might be willing to teach me as I go along.Most of this stuff is Greek to me. But I'm trying my darndest.