- 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 44323: HTTP binding for Performance Co-Pilot client API
Port 44323 is assigned by IANA to pmwebapi (HTTP binding for Performance Co-Pilot client API).
44323
How pmwebapi works
WebA browser sends an HTTP request to port 44323 and the pmwebapi server sends the page back.
- 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
- Web
Is port 44323 dangerous?
We have no specific security note for port 44323. Its risk depends on the program actually listening on it. General advice for web services:
IANA registry entries for port 44323
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| pmwebapi | 44323 | TCP | HTTP binding for Performance Co-Pilot client API | - | 2013-10-09 |
| - | 44323 | - | Unassigned | - | - |
// source: IANA service name and port number registry
Which program uses port 44323, and is it reachable?
Linux
sudo ss -ltnup 'sport = :44323' # process listening on 44323
sudo lsof -nP -i :44323macOS
sudo lsof -nP -i :44323
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 44323 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 44323 netstat -ano | findstr :44323
From another machine
nmap -p 44323 -sV <host> nc -zv <host> 44323
Block it in the firewall
sudo ufw deny 44323/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 44323" -Direction Inbound -LocalPort 44323 -Protocol TCP -Action Block # Windows
What is port 44323 used for?
Port 44323 is assigned by IANA to pmwebapi (HTTP binding for Performance Co-Pilot client API).
Is port 44323 TCP or UDP?
Port 44323 is registered for TCP.
Is it safe to open port 44323?
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 44323 is open?
On Linux run "ss -ltnup 'sport = :44323'", on macOS "lsof -nP -i :44323", and on Windows "netstat -ano | findstr :44323" to see the local process. From another machine, "nmap -p 44323 <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