Our Lolnet Network uses both Grief Prevention and MyTown2 - they're here to protect your contents from naughty griefers!
On Survival and 1.10 modded servers only:
After you finish building your first base, it's time to protect it. Grab your golden shovel (By default, you should have shovel as starter).
Hold golden shovel and you'll see how many claim blocks you can claim.
You need to decide the size of the area you want to protect. (In the picture the red corners mark the area we want to protect).
Now hold your gold shovel and right click first corner and it should say ' Claim corner set! Use the shovel again at the opposite corner to claim a rectangle of land. To Cancel, put your shovel away. '
Mark the opposite side corner by right clicking it and it should say ' Claim created! Use /trust to share it with friends. '
It will show your protection area, (The protected area goes from bedrock to air)
Now you're all set to go, your first base is now protected!
Want to add friends into your claim? Use /trust <playername> and they'll able to access to your contents/protection.
Command list for Grief Prevention
/AbandonClaim - Deletes the claim you're standing in.
/Trust - Gives another player permission to edit in your claim.
/UnTrust - Revokes any permissions granted to a player in your claim.
/AccessTrust - Gives a player permission to use your buttons, levers, and beds.
/ContainerTrust - Gives a player permission to use your buttons, levers, beds, crafting gear, containers, and animals.
/TrustList - Lists the permissions for the claim you're standing in.
/SubdivideClaims - Switches your shovel to subdivision mode, so you can subdivide your claims.
/BasicClaims - Puts your shovel back in basic claims mode.
/PermissionTrust - Grants a player permission to share his permission level with others.
/Untrust All - Removes all permissions for all players in your claim.
/AbandonAllClaims - Deletes all of your claims. Caution!
/ClaimsList - Lists a player's claims and claim block details.