The Problem

Where you are using WorldGuard, if you often use block-break to deny you will not be able to do some things:

Extinguish or inflame camp fire.
Get / put water / snow from cauldron.
Put book on lectern.
Plant / get food from / to fields.
etc...
If you let block-break to allow, you will able to do some action on these blocks but also break the blocks into the area. This is why this plugin was created, to add more interaction rules by disable temporary the WorldGuard rules for some interaction only.

A Solution

I have released the 1.0 version of this plugin.
This first version allow (only) to manage camp fire : inflame and extinguish CAMPFIRE and SOUL_CAMPFIRE into an area.
It allow to extinguish camp fire with hand (usually not possible) and when using WATER_BUCKET without keep the water spread everywhere.

link : https://github.com/Feneck91/WorldGuardInteractExt/tree/Version_1.0

Working on Lectern now.

Alternatives

No response

Anything Else?

I don’t know if it is the right place where to post this message.

You shouldn't use the "block-break" flag in general, regions are protected by default. WorldGuard warns you about that. I'd suggest reading through the documentation. And this is an issue tracker, not a place to advertise your plugins.

Ok, I'm sorry about posting here, I would like to help other peaple.

You shouldn't...
Protect region disable block break and block placement.
If you don't use block-break for some small region you don't be able to extinguish a campfire, put a book on lectern or get water/snow from a cauldron.
You must allow block break to be able to do these things but it allow to break these items.

Or really I don't understand something...