# WHATPORT(24800)

## NAME

port 24800 — Deskflow / Synergy / Barrier — The keyboard-and-mouse sharing port — one machine's input driving the screens of several others.

Protocol: TCP

## DESCRIPTION

Deskflow, and the Synergy, Barrier and Input Leap family it descends from, lets one keyboard and mouse control several computers by moving the pointer off the edge of a screen. The server listens on TCP 24800 and clients connect to it; the protocol carries mouse motion, key events and clipboard contents, and version 1.4 and later can wrap the connection in TLS. The default is hard-coded across the codebase and documentation, so an open 24800 on a desktop is almost always this. It is a workstation port, not a server one.

## EXPOSURE

**Do not expose.** This is a remote input channel into a live desktop session, including the clipboard. Keep it on the LAN or inside a VPN — never reachable from the internet.

## CHECK

```sh
nmap -Pn -sV -p 24800 --reason TARGET
```

## SEE ALSO

- source — [Deskflow source repository](https://github.com/deskflow/deskflow) (github.com)
- docs — [Deskflow protocol reference](https://github.com/deskflow/deskflow/blob/master/docs/dev/protocol_reference.md) (github.com)
- docs — [Deskflow project site](https://deskflow.org/) (deskflow.org)

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