Port 19191OPSEC UAA
OPSEC UAA is the service assigned to TCP and UDP port 19191; no common deployment is documented.
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
2 transports registered
payload readable on path
registered with iana
safe
rank 993 of 6,380 · top 16%
Technical Details
what runs on :19191OPSEC UAA is registered on port :19191 over tcp and udp to Reuven Harrison. 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 :19191
# linux
sudo ss -tulpn 'sport = :19191'
# macos / bsd
sudo lsof -nP -i :19191
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :19191nmap -sV -p T:19191 <host>
sudo nmap -sU -sV -p U:19191 <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 :19191risk 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 :19191 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :19191, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :19226 | Panda AdminSecure Agent | TCP | Security | caution | 21.2k |
| :19132 | Minecraft Bedrock Server | UDPtls | Gaming | caution | 0 |
| :19194 | UserAuthority SecureAgent | TCPUDP | — | safe | 0 |
| :19220 | Cora Client Connection Management and Data Exchange Service Discovery | UDP | Network Services | safe | 0 |
risk mix of the 4 listed
- safe50%
- caution50%
1 of 4 encrypted