Port 2042ISIS
ISIS is the IANA-assigned service name for TCP and UDP port 2042, with limited public protocol information.
- 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 5,686 · top 17%
Technical Details
what runs on :2042ISIS is registered on port :2042 over tcp and udp. 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 :2042
# linux
sudo ss -tulpn 'sport = :2042'
# macos / bsd
sudo lsof -nP -i :2042
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :2042nmap -sV -p T:2042 <host>
sudo nmap -sU -sV -p U:2042 <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 :2042risk 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 :2042 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :2042, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :2031 | Mobrien Chat | TCPUDP | Web Services | caution | 27.7k |
| :2105 | eklogin Kerberos Remote Login | TCPUDP | Security | safe | 22.1k |
| :2083 | cPanel SSL | TCPtls | Web Services | safe | 20.3k |
| :2105 | Zephyr Notification Service (hm-serv) | TCPUDP | Network Services | caution | 19.0k |
| :2082 | Infowave Mobility | TCP | Network Services | caution | 17.7k |
| :2087 | WHM SSL | TCPtls | Web Services | caution | 17.7k |
| :2096 | cPanel SSL Webmail | TCPtls | Web Services | safe | 17.4k |
| :2053 | knetd Demultiplexer | TCP | Security | safe | 17.2k |
risk mix of the 8 listed
- safe50%
- caution50%
3 of 8 encrypted