-Register on forum.
-Enter MC username into "Minecraft username" section on forum profile.
-Website auto-whitelists you.
-You can join without being whitelisted but have no build/break permissions and very restricted chat permissions (anti spambot measure).
Server plugin info:
-Custom armour plugin that makes iron armour much better. Diamond is only slightly superior. Makes for longer wars and more battles.
-Most enchants and potions disabled due to imbalance in PvP.
-Custom factions plugin that prevents wars against factions below 50% power, and prevents them starting wars.
-Drawbridges and Portcullis plugins
-Server is semi-griefing enabled: you can break/place blocks to fight wars but not wreck bases for ***** and giggles.