Port 4867Unify Debugger

TCP and UDP 4867 are assigned to Daegis Inc.'s Unify Debugger; no common public listener is documented.

transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
1/10

safe

lookups
0

rank 993 of 5,308 · top 19%

Technical Details

what runs on :4867

Unify Debugger is registered on port :4867 over tcp and udp to Daegis Inc, assigned May 2006. 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 :4867

this machine
# linux
sudo ss -tulpn 'sport = :4867'

# macos / bsd
sudo lsof -nP -i :4867

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :4867
another host
nmap -sV -p T:4867 <host>
sudo nmap -sU -sV -p U:4867 <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 details

Security Information

exposure of :4867

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

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

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

no security notes recorded for :4867 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

ports registered around :4867, by lookups.

portservicerisk
:4899Radmin Remote Administrationsafe
:4840OPC UA TCPcaution
:4843OPC UA over TLS/SSLcaution
:4847Quadrion WebFreshcaution
:4894LysKOMcaution
:4839varadero-2safe
:4840OPC UA PubSub over UDPcaution
:4838Varadero-1safe

risk mix of the 8 listed

  • safe38%
  • caution63%

1 of 8 encrypted