Seen a creeper walk into the portal yesterday, so decided to play it safe and turn cheats on, so I won't die, this is what I found. Secure your portals people! :
Tutorial]SafeCreeper - Explosão sem destruição Minecraft - YouTube
How to Uninstall Plugins on Your Minecraft Server - Knowledgebase - Shockbyte
How to Stop Tnt and Creeper Explosions | SeekaHost
CreeperHeal | SpigotMC - High Performance Minecraft