Go to the folder -
\save\Rust++\admins.xml Edit the file with Notepad very carefully.
Code:
This is an example of the section of the Flags,
the shown here are all available flags of
an owner or principal administrator
<Flags>
<string>CanKick</string>
<string>CanBan</string>
<string>CanUnban</string>
<string>CanTeleport</string>
<string>CanLoadout</string>
<string>CanAnnounce</string>
<string>CanSpawnItem</string>
<string>CanGiveItem</string>
<string>CanReload</string>
<string>CanSaveAll</string>
<string>CanAddAdmin</string>
<string>CanDeleteAdmin</string>
<string>CanGetFlags</string>
<string>CanInstaKO</string>
<string>CanAddFlags</string>
<string>CanUnflag</string>
<string>CanWhiteList</string>
<string>CanKill</string>
<string>CanMute</string>
<string>CanUnmute</string>
<string>CanGodMode</string>
<string>CanShutdown</string>
<string>CanInstaKOAll</string>
<string>RCON</string>
</Flags>
You can remove this flag to the admins you do not want to use RCON
<string> RCON </ string>
You can find more information on flags in Wiki
http://fougerite.com/wiki/rustpp/
In fact I recommend that you give the moderators only these Flags
<string>CanAnnounce</string>
<string>CanMute</string>
<string>CanUnmute</string>
<string>CanKick</string>
<string>CanBan</string>
<string>CanUnban</string>
<string>CanTeleport</string> ???????MAYBE??????
<string>CanInstaKO</string> ???????MAYBE??????
<string>CanInstaKOAll</string> ???????MAYBE??????
<string>Moderator</string>
Regards!!