start

--There are 2 errors.

continue = false
rednet.open('back')

while continue do
    term.clear()
    term.setCursorPos(1,1)
    print("Enter the password.")
    inp = read('x')
    sleep(1)
    if inp == 'armed' then
        print(Open)
        rednet.broadcast('open', 'rule')
    end
end