Bans the client's ip address and kicks the socket id (if provided).
{"msg":"ban_ip","instance_guid":"my_session_id_here","banip":"?.?.?.?","reason":"Broke rule #1","duration":3600,"socketid":1,"role_id":"superadmin"}

The server will ban the ip address and if provided will also kick the socket using socketid. The socket banned will receive:
{"MSG":"banned_from_session","Reason":"Broke rule #1","ExpiresOn":<epoch time amount>}

The other clients will also receive that the socket was disconnected and removed from the session:
{"MSG":"Disconnected","SocketID":1}