Port 4371LAN2CAN Control
TCP port 4371 is assigned to LAN2CAN Control, registered by Phil Tolson.
- 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 5,154 · top 19%
also known as l2c-control
1 other service is registered on port 4371. compare all 2 →
Technical Details
what runs on :4371LAN2CAN Control is registered on port :4371 over tcp to Phil Tolson, assigned July 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 :4371
# linux
sudo ss -tlpn 'sport = :4371'
# macos / bsd
sudo lsof -nP -i :4371
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :4371nmap -sV -p T:4371 <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 :4371risk 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 :4371 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :4371, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :4433 | Axence nVision | TCP | Security | caution | 8.9k |
| :4323 | ArcLink/XT | UDP | Network Services | caution | 8.8k |
| :4321 | Referral Whois (RWhois) | TCP | Network Services | caution | 5.7k |
| :4343 | Wrapper: Offline | TCPUDP | Gaming | caution | 1.7k |
| :4404 | Asigra DS-System Monitoring/Management | TCPUDP | System | safe | 0 |
| :4343 | UNICALL | TCPUDP | — | safe | 0 |
| :4378 | Cambridge Pixel SPx Display | TCPUDP | — | safe | 0 |
| :4361 | NavCom Discovery and Control | UDP | Network Services | safe | 0 |
risk mix of the 8 listed
- safe50%
- caution50%
0 of 8 encrypted