- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Port 10443: CirrosSP Workstation Communication
Port 10443 is assigned by IANA to cirrossp (CirrosSP Workstation Communication).
10443
How cirrossp works
Other servicesThe client sends a request to port 10443 and the cirrossp service answers.
- Transport
- TCP
- 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
- Other services
Is port 10443 dangerous?
We have no specific security note for port 10443. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 10443
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| cirrossp | 10443 | TCP | CirrosSP Workstation Communication | - | 2020-02-12 |
| - | 10443 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 10443, and is it reachable?
Linux
sudo ss -ltnup 'sport = :10443' # process listening on 10443
sudo lsof -nP -i :10443macOS
sudo lsof -nP -i :10443
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 10443 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 10443 netstat -ano | findstr :10443
From another machine
nmap -p 10443 -sV <host> nc -zv <host> 10443
Block it in the firewall
sudo ufw deny 10443/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 10443" -Direction Inbound -LocalPort 10443 -Protocol TCP -Action Block # Windows
What is port 10443 used for?
Port 10443 is assigned by IANA to cirrossp (CirrosSP Workstation Communication).
Is port 10443 TCP or UDP?
Port 10443 is registered for TCP.
Is it safe to open port 10443?
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. Close the port if nothing on the host needs it.
How do I check if port 10443 is open?
On Linux run "ss -ltnup 'sport = :10443'", on macOS "lsof -nP -i :10443", and on Windows "netstat -ano | findstr :10443" to see the local process. From another machine, "nmap -p 10443 <host>" shows whether it is reachable.
Other other services ports
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp