All ports
Port38638/TCP
psqlmwsPort
38638
Protocol
TCP
Category
Registered
Service
psqlmws
What is port 38638?
Port 38638/TCP is a Registered port, registered with IANA for specific applications. It is associated with the psqlmws service.
Premier SQL Middleware Server
Useful commands
nmapnmap -p 38638 -sV example.comnetcatnc -zv example.com 38638curlcurl -v http://example.com:38638/telnettelnet example.com 38638bash(echo > /dev/tcp/example.com/38638) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 38638/tcpDeny
sudo ufw deny 38638/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 38638 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 38638 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=38638/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 38638" dir=in action=allow protocol=TCP localport=38638Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 38638/TCP?
Port 38638/TCP is associated with the psqlmws service. Premier SQL Middleware Server
Is it safe to expose port 38638 to the Internet?
It depends on the service and configuration. Port 38638 (psqlmws) is a Registered port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 38638 is open?
You can use nmap: `nmap -p 38638 -sV example.com`, netcat: `nc -zv example.com 38638`, or the bash command: `(echo > /dev/tcp/example.com/38638) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 38638 on my firewall?
On Linux with UFW: `sudo ufw allow 38638/tcp` (open) or `sudo ufw deny 38638/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 38638 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 38638" dir=in action=allow protocol=TCP localport=38638`.
What applications and services use port 38638?
Port 38638/TCP is used by the psqlmws service. Specific uses depend on the software and configuration. Check our related tools section for more information.