--- Dator 1
rednet.open("left")

while true do
    local message = read()
    rednet.send(1, message)
end

--- Dator 2
rednet.open("left")

local id,message = rednet.receive()
while true do
    if message == "password" then
    rs.setOutput("back", true)

    elseif message == "close" then
    rs.setOutput("back", false)
    end
end