All ports
Port6901/TCP
jetstreamPort
6901
Protocol
TCP
Category
Registered
Service
jetstream
What is port 6901?
Port 6901/TCP is a Registered port, registered with IANA for specific applications. It is associated with the jetstream service.
Novell Jetstream messaging protocol
Useful commands
nmapnmap -p 6901 -sV example.comnetcatnc -zv example.com 6901curlcurl -v http://example.com:6901/telnettelnet example.com 6901bash(echo > /dev/tcp/example.com/6901) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 6901/tcpDeny
sudo ufw deny 6901/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 6901 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 6901 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=6901/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 6901" dir=in action=allow protocol=TCP localport=6901Security 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- Outdated versions with vulnerabilities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 6901/TCP?
Port 6901/TCP is associated with the jetstream service. Novell Jetstream messaging protocol
Is it safe to expose port 6901 to the Internet?
It depends on the service and configuration. Port 6901 (jetstream) 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 6901 is open?
You can use nmap: `nmap -p 6901 -sV example.com`, netcat: `nc -zv example.com 6901`, or the bash command: `(echo > /dev/tcp/example.com/6901) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 6901 on my firewall?
On Linux with UFW: `sudo ufw allow 6901/tcp` (open) or `sudo ufw deny 6901/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 6901 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 6901" dir=in action=allow protocol=TCP localport=6901`.
What applications and services use port 6901?
Port 6901/TCP is used by the jetstream service. Specific uses depend on the software and configuration. Check our related tools section for more information.