Port 4787Service Insertion Architecture (SIA) Control Plane
TCP port 4787 is assigned to the Service Insertion Architecture (SIA) control plane; established deployment details are not available.
- transport
- tcp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
single transport
payload readable on path
registered with iana
safe
rank 993 of 5,284 · top 19%
also known as sia-ctrl-plane
Technical Details
what runs on :4787Service Insertion Architecture (SIA) Control Plane is registered on port :4787 over tcp to Shree Murthy, assigned October 2009. 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 :4787
# linux
sudo ss -tlpn 'sport = :4787'
# macos / bsd
sudo lsof -nP -i :4787
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :4787nmap -sV -p T:4787 <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 :4787risk 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
every listening transport is another surface to filter at the edge
security overview
no security notes recorded for :4787 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :4787, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :4840 | OPC UA TCP | TCPUDP | Network Services | caution | 26.6k |
| :4843 | OPC UA over TLS/SSL | TCPUDPtls | Security | caution | 24.6k |
| :4747 | Apprentice | TCP | Remote Access | caution | 11.6k |
| :4728 | CA DMP / Port Multiplexer | TCP | Network Services | caution | 10.0k |
| :4750 | BladeLogic Agent | TCP | Network Services | caution | 8.7k |
| :4847 | Quadrion WebFresh | TCPUDP | Web Services | caution | 7.2k |
| :4741 | Luminizer Manager | TCPUDP | — | safe | 0 |
| :4726 | A26 FAP-FGW | UDP | Mobile | safe | 0 |
risk mix of the 8 listed
- safe25%
- caution75%
1 of 8 encrypted