Net Extender

-- Initialize modem
local modem = peripheral.find("modem")
if not modem then
  print("No modem found")
  return
end
modem.open(os.getComputerID()) -- Open modem on computer ID

-- Main loop
while true do
  local event, modemSide, senderChannel, replyChannel, message, distance = os.pullEvent("modem_message")
  print("Received message:")
  print("  Sender: " .. senderChannel)
  print("  Message: " .. tostring(message))
end