local help_page = [[
Commands
/config Edit configuration
/control Check status,enable or disable servers, the load output and the mpp tracker process
/reboot Reboot the device
Info
/random Random key for encrypted authentication
/csv.log Show log data
Configuration is stored in the file config.lua, which you can edit on your PC
and upload/download via FTP or via serial port with nodemcu-tool.
Caveats
Use your passwords only over a encrypted WiFi and if you trust the network.
TELNET, FTP and HTTP keys can be sniffed easily, as they are sent unencrypted.
]]
return function(conn)
send_response(help_page)
end