- 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 12168: CA Web Access Service
Port 12168 is assigned by IANA to cawas (CA Web Access Service).
12168
How cawas works
WebA browser sends an HTTP request to port 12168 and the cawas 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 12168 dangerous?
We have no specific security note for port 12168. Its risk depends on the program actually listening on it. General advice for web services:
IANA registry entries for port 12168
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| cawas | 12168 | TCP, UDP | CA Web Access Service | - | 2005-08 |
// source: IANA service name and port number registry
Which program uses port 12168, and is it reachable?
Linux
sudo ss -ltnup 'sport = :12168' # process listening on 12168
sudo lsof -nP -i :12168macOS
sudo lsof -nP -i :12168
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 12168 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 12168 netstat -ano | findstr :12168
From another machine
nmap -p 12168 -sV <host> sudo nmap -sU -p 12168 <host> nc -zv <host> 12168
Block it in the firewall
sudo ufw deny 12168/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 12168" -Direction Inbound -LocalPort 12168 -Protocol TCP -Action Block # Windows
What is port 12168 used for?
Port 12168 is assigned by IANA to cawas (CA Web Access Service).
Is port 12168 TCP or UDP?
Port 12168 is registered for TCP and UDP.
Is it safe to open port 12168?
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 12168 is open?
On Linux run "ss -ltnup 'sport = :12168'", on macOS "lsof -nP -i :12168", and on Windows "netstat -ano | findstr :12168" to see the local process. From another machine, "nmap -p 12168 <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