Port 4084Fortisphere VM Service
UDP port 4084 is assigned to the Fortisphere VM Service, a little-documented service registered to Daniel Becker.
- transport
- udp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
single transport
payload readable on path
registered with iana
safe
rank 993 of 5,035 · top 20%
Technical Details
what runs on :4084Fortisphere VM Service is registered on port :4084 over udp to Daniel Becker 4, assigned June 2008. We don't have a technical write-up for it beyond the IANA registry entry.
In nmap's internet-wide scan data this port is never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.
find what's listening on :4084
# linux
sudo ss -ulpn 'sport = :4084'
# macos / bsd
sudo lsof -nP -i :4084
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :4084sudo nmap -sU -sV -p U:4084 <host>run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.
add technical detailsSecurity Information
exposure of :4084risk score
1/ 10safe
routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.
virtualization averages 3.6 across 31 ports — this one sits 2.6 below.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
official
registered with iana for this service — scanners fingerprint it by number
reachable over
udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
no security notes recorded for :4084 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
the 8 most looked-up other ports in virtualization — 31 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :902 | VMware vSphere Management | TCP | Remote Access | caution | 28.7k |
| :902 | VMware Console UDP | UDP | Remote Access | caution | 28.0k |
| :1200 | SCOL Name Service | TCP | Network Services | caution | 15.5k |
| :2598 | Citrix ICA Session Reliability | TCP | Remote Access | caution | 11.0k |
| :4610 | QualiSystems TestShell | TCP | Network Services | caution | 10.8k |
| :657 | IBM RMC | TCPUDP | Network Services | caution | 10.0k |
| :8222 | VMware Server UI (Insecure) | Web Services | caution | 8.2k | |
| :8333 | VMware Server UI (Secure) | Web Services | caution | 7.9k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted