Port 1331intersan
Intersan is an obscure service assignment using TCP and UDP port 1331.
- 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 4,771 · top 21%
Technical Details
what runs on :1331intersan is registered on port :1331 over tcp and udp to Barry H Feild. 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 found open rarely. What's listening is often not the registered service, so check before you assume.
find what's listening on :1331
# linux
sudo ss -tulpn 'sport = :1331'
# macos / bsd
sudo lsof -nP -i :1331
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1331nmap -sV -p T:1331 <host>
sudo nmap -sU -sV -p U:1331 <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 :1331risk 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 :1331 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :1331, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :1337 | PowerFolder P2P | TCP | Security | caution | 27.1k |
| :1311 | Dell OpenManage | TCPtls | Remote Access | caution | 26.6k |
| :1337 | Men & Mice DNS | UDP | Network Services | safe | 24.8k |
| :1337 | WASTE Encrypted Sharing | TCP | Security | caution | 22.9k |
| :1293 | IPSec | TCPUDPtls | Security | caution | 17.8k |
| :1270 | SCOM Agent | TCPUDP | Network Services | caution | 15.6k |
| :1313 | Xbiim Canvii Server | TCP | Web Services | caution | 12.4k |
| :1319 | AMX ICSP | TCP | Network Services | caution | 12.4k |
risk mix of the 8 listed
- safe13%
- caution88%
2 of 8 encrypted