Port 27504Kopek HTTP Head
Port 27504 is assigned to Kopek HTTP Head, but no established public deployment or protocol behavior is known.
- 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 6,491 · top 15%
Technical Details
what runs on :27504Kopek HTTP Head is registered on port :27504 over tcp and udp to Sten H Danielsen, assigned July 2002. 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 :27504
# linux
sudo ss -tulpn 'sport = :27504'
# macos / bsd
sudo lsof -nP -i :27504
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :27504nmap -sV -p T:27504 <host>
sudo nmap -sU -sV -p U:27504 <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 :27504risk score
1/ 10safe
routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.
web services averages 3.0 across 244 ports — this one sits 2.0 below.
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 :27504 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
the 8 most looked-up other ports in web services — 244 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :8888 | Sun Answerbook & Alt HTTP | TCP | Web Services | caution | 123.9k |
| :8000 | Intel Remote Desktop / Alternate HTTP Port | TCP | Web Services | safe | 84.3k |
| :8888 | NewsEDGE | TCPUDP | Web Services | caution | 83.3k |
| :8888 | HTTP Alternative Port | TCP | Web Services | caution | 76.5k |
| :8888 | GNUmp3d Streaming HTTP | TCP | Web Services | caution | 76.3k |
| :9080 | Groove RPC | TCPUDP | Web Services | caution | 70.8k |
| :8881 | Atlasz Secure Server | TCP | Web Services | caution | 67.6k |
| :80 | HTTP | TCPUDP | Web Services | caution | 67.3k |
risk mix of the 8 listed
- safe13%
- caution88%
0 of 8 encrypted