By default, portable setups are configured for "Localhost." If you want friends to join, you would need to use a tunneling service like ngrok or Hamachi , which can also be run portably.
Which (e.g., Redakai, Marv, Ghost) you plan to run? aqw private server files portable
A private server reverses this. It mimics the server-side responses so that a modified client believes it is talking to the real Artix servers. By default, portable setups are configured for "Localhost
: These file bundles are often significantly smaller than official clients, with some modified projects taking up less than 20 MB. aqw private server files portable