- 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 598: SCO Web Server Manager 3
Port 598 is assigned by IANA to sco-websrvrmg3 (SCO Web Server Manager 3).
598
How sco-websrvrmg3 works
WebA browser sends an HTTP request to port 598 and the sco-websrvrmg3 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
- Well-known (0-1023)
- Category
- Web
Is port 598 dangerous?
We have no specific security note for port 598. Its risk depends on the program actually listening on it. General advice for web services:
IANA registry entries for port 598
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| sco-websrvrmg3 | 598 | TCP, UDP | SCO Web Server Manager 3 | - | - |
// source: IANA service name and port number registry
Which program uses port 598, and is it reachable?
Linux
sudo ss -ltnup 'sport = :598' # process listening on 598
sudo lsof -nP -i :598macOS
sudo lsof -nP -i :598
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 598 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 598 netstat -ano | findstr :598
From another machine
nmap -p 598 -sV <host> sudo nmap -sU -p 598 <host> nc -zv <host> 598
Block it in the firewall
sudo ufw deny 598/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 598" -Direction Inbound -LocalPort 598 -Protocol TCP -Action Block # Windows
What is port 598 used for?
Port 598 is assigned by IANA to sco-websrvrmg3 (SCO Web Server Manager 3).
Is port 598 TCP or UDP?
Port 598 is registered for TCP and UDP.
Is it safe to open port 598?
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 598 is open?
On Linux run "ss -ltnup 'sport = :598'", on macOS "lsof -nP -i :598", and on Windows "netstat -ano | findstr :598" to see the local process. From another machine, "nmap -p 598 <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