Port 1455ESL License Manager
ESL License Manager traffic for software licensing over TCP or UDP port 1455.
- 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 4,816 · top 21%
also known as esl-lm
Technical Details
what runs on :1455ESL License Manager is registered on port :1455 over tcp and udp to Abel Chou. 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 sometimes. What's listening is often not the registered service, so check before you assume.
find what's listening on :1455
# linux
sudo ss -tulpn 'sport = :1455'
# macos / bsd
sudo lsof -nP -i :1455
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1455nmap -sV -p T:1455 <host>
sudo nmap -sU -sV -p U:1455 <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 :1455risk 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 :1455 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :1455, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :1513 | Garena Gaming | TCPUDP | Gaming | caution | 33.1k |
| :1431 | Reverse Gossip Transport Protocol (RGTP) | TCP | Web Services | caution | 27.3k |
| :1433 | Microsoft SQL Server | TCP | Databases | caution | 14.8k |
| :1434 | MSSQL Monitor | TCPUDP | Security | caution | 14.7k |
| :1500 | NetGuard GuardianPro Remote Management | TCP | Security | caution | 12.7k |
| :1503 | Live Messenger Whiteboard Sharing | TCPUDP | Network Services | caution | 12.4k |
| :1501 | NetGuard GuardianPro Auth Client | UDP | Security | caution | 12.0k |
| :1512 | WINS | TCPUDP | Network Services | caution | 10.1k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted