Here's my server.properties file, if that helps:
generator-settings=
allow-nether=true
level-name=Stu's World
enable-query=false
allow-flight=false
server-port=xxxxxxxxxxxxxxxxxxxxxxxxx
level-type=BIOMESOP
enable-rcon=false
force-gamemode=false
level-seed=
server-ip=
max-build-height=256
spawn-npcs=true
white-list=false
spawn-animals=true
texture-pack=
snooper-enabled=true
hardcore=false
online-mode=true
pvp=false
difficulty=2
gamemode=0
max-players=10
spawn-monsters=true
view-distance=10
generate-structures=true
spawn-protection=16
motd=Stu's Minecraft Server