gFactionsTeleportDeny (Test) is(was) a WIP.
This Spigot/Java/Bukkit plugin adds the ability to disable teleporting in any of the relation territory claims set in the config.
You can choose to disable TPing out, disabling TPing in, or both.
[Dependencies] Factions (https://www.spigotmc.org/resources/factions.1900/), MassiveCore (https://www.spigotmc.org/resources/massivecore.1901/)