Port 2518Willy

Port 2518 is assigned to Willy, a little-documented service registered by Carl Johan Wik.

transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
1/10

safe

lookups
0

rank 993 of 4,103 · top 24%

Technical Details

what runs on :2518

Willy is registered on port :2518 over tcp and udp to Carl Johan Wik. 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 :2518

this machine
# linux
sudo ss -tulpn 'sport = :2518'

# macos / bsd
sudo lsof -nP -i :2518

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :2518
another host
nmap -sV -p T:2518 <host>
sudo nmap -sU -sV -p U:2518 <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 details

Security Information

exposure of :2518

risk 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 :2518 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

ports registered around :2518, by lookups.

portservicerisk
:2484Oracle SSL Listenercaution
:2501TheosNet-Admincaution
:2483Oracle Listener (Unsecure)caution
:2546EVault Data Protectioncaution
:2500sMessenger Servicecaution
:2525SMTP Alternatecaution
:2528NCR CCLsafe
:2496DIRGISsafe

risk mix of the 8 listed

  • safe25%
  • caution75%

1 of 8 encrypted