# WHATPORT(40193)

## NAME

port 40193 — Unassigned — No registration, no scanner name — an anonymous high port.

Protocol: TCP  
IANA registry

## DESCRIPTION

40193 is unassigned at IANA and unnamed in Nmap's service database, which records it open on about 0.04% of scanned hosts. It sits well inside the Linux ephemeral range, so plenty of sightings are ordinary outbound connections rather than services. Whatever listens here was chosen locally.

## EXPOSURE

**Expose with care.** No known protocol to reason about — identify the process and its authentication before allowing inbound traffic.

## CHECK

```sh
nmap -sV -Pn -p 40193 TARGET
```

## SEE ALSO

- iana — [IANA Service Name and Transport Protocol Port Number Registry — 40193](https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=40193) (iana.org)
- source — [nmap/nmap — nmap-services (port frequency database)](https://github.com/nmap/nmap/blob/master/nmap-services) (github.com)

---

HTML: <https://whatport.net/40193/> · JSON: <https://whatport.net/40193.json> · full dataset: <https://whatport.net/ports.json>