Port 120CFDPTKT
CFDPTKT is an IANA-assigned service registered for TCP and UDP port 120.
- 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 4,597 · top 22%
Technical Details
what runs on :120CFDPTKT is registered on port :120 over tcp and udp to John Ioannidis. 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 very commonly. What's listening is often not the registered service, so check before you assume.
find what's listening on :120
# linux
sudo ss -tulpn 'sport = :120'
# macos / bsd
sudo lsof -nP -i :120
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :120nmap -sV -p T:120 <host>
sudo nmap -sU -sV -p U:120 <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 :120risk 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 :120 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :120, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :80 | HTTP | TCPUDP | Web Services | caution | 67.3k |
| :135 | Microsoft EPMAP | TCPUDP | Security | caution | 51.9k |
| :83 | MIT ML Device | TCP | Network Services | caution | 23.1k |
| :81 | Torpark Onion Routing | TCP | Web Services | caution | 21.4k |
| :143 | IMAP | TCPUDP | caution | 20.7k | |
| :109 | POP2 | TCP | caution | 17.9k | |
| :135 | DCE/RPC Endpoint Mapper | TCPUDP | Remote Access | caution | 16.7k |
| :90 | DNSIX | TCPUDP | Security | safe | 16.1k |
risk mix of the 8 listed
- safe13%
- caution88%
0 of 8 encrypted