All ports
Port34965/TCP
profinet-cm-secPort
34965
Protocol
TCP
Category
Registered
Service
profinet-cm-sec
What is port 34965?
Port 34965/TCP is a Registered port, registered with IANA for specific applications. It is associated with the profinet-cm-sec service.
PROFINET secure connection management and key provisioning
Useful commands
nmapnmap -p 34965 -sV example.comnetcatnc -zv example.com 34965curlcurl -v http://example.com:34965/telnettelnet example.com 34965bash(echo > /dev/tcp/example.com/34965) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 34965/tcpDeny
sudo ufw deny 34965/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 34965 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 34965 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=34965/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 34965" dir=in action=allow protocol=TCP localport=34965Security 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- Outdated versions with vulnerabilities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 34965/TCP?
Port 34965/TCP is associated with the profinet-cm-sec service. PROFINET secure connection management and key provisioning
Is it safe to expose port 34965 to the Internet?
It depends on the service and configuration. Port 34965 (profinet-cm-sec) 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 34965 is open?
You can use nmap: `nmap -p 34965 -sV example.com`, netcat: `nc -zv example.com 34965`, or the bash command: `(echo > /dev/tcp/example.com/34965) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 34965 on my firewall?
On Linux with UFW: `sudo ufw allow 34965/tcp` (open) or `sudo ufw deny 34965/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 34965 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 34965" dir=in action=allow protocol=TCP localport=34965`.
What applications and services use port 34965?
Port 34965/TCP is used by the profinet-cm-sec service. Specific uses depend on the software and configuration. Check our related tools section for more information.