- Serve it over HTTPS only and check the HTTP security headers.
- Keep admin consoles and development servers off the Internet.
- Patch the application server and remove default credentials and sample apps.
Port 24680: TCC User HTTP Service
Port 24680 is assigned by IANA to tcc-http (TCC User HTTP Service).
24680
How tcc-http works
WebA browser sends an HTTP request to port 24680 and the tcc-http server sends the page back.
- Transport
- TCP · UDP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Web
Is port 24680 dangerous?
We have no specific security note for port 24680. Its risk depends on the program actually listening on it. General advice for web services:
IANA registry entries for port 24680
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| tcc-http | 24680 | TCP, UDP | TCC User HTTP Service | - | 2006-08 |
// source: IANA service name and port number registry
Which program uses port 24680, and is it reachable?
Linux
sudo ss -ltnup 'sport = :24680' # process listening on 24680
sudo lsof -nP -i :24680macOS
sudo lsof -nP -i :24680
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 24680 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 24680 netstat -ano | findstr :24680
From another machine
nmap -p 24680 -sV <host> sudo nmap -sU -p 24680 <host> nc -zv <host> 24680
Block it in the firewall
sudo ufw deny 24680/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 24680" -Direction Inbound -LocalPort 24680 -Protocol TCP -Action Block # Windows
What is port 24680 used for?
Port 24680 is assigned by IANA to tcc-http (TCC User HTTP Service).
Is port 24680 TCP or UDP?
Port 24680 is registered for TCP and UDP.
Is it safe to open port 24680?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Serve it over HTTPS only and check the HTTP security headers.
How do I check if port 24680 is open?
On Linux run "ss -ltnup 'sport = :24680'", on macOS "lsof -nP -i :24680", and on Windows "netstat -ano | findstr :24680" to see the local process. From another machine, "nmap -p 24680 <host>" shows whether it is reachable.
Other web ports
:443 HTTPS tcp · udp · sctp · low risk :80 HTTP tcp · udp · sctp · moderate risk :8080 HTTP alternate tcp · udp · high risk :8443 HTTPS alternate tcp · udp · moderate risk :3000 Dev servers / Grafana tcp · udp · moderate risk :5000 Flask / Docker registry / UPnP tcp · udp · moderate risk :8000 HTTP alternate (dev) tcp · udp · moderate risk :8888 Jupyter / HTTP alternate tcp · udp · high risk