All ports
Port9901/SCTP
enrp-sctpPort
9901
Protocol
SCTP
Category
Registered
Service
enrp-sctp
What is port 9901?
Port 9901/SCTP is a Registered port, registered with IANA for specific applications. It is associated with the enrp-sctp service.
enrp server channel
Useful commands
nmapnmap -p 9901 -sV example.comnetcatnc -zv example.com 9901curlcurl -v http://example.com:9901/telnettelnet example.com 9901bash(echo > /dev/sctp/example.com/9901) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9901/sctpDeny
sudo ufw deny 9901/sctpiptablesAllow
sudo iptables -A INPUT -p sctp --dport 9901 -j ACCEPTDeny
sudo iptables -D INPUT -p sctp --dport 9901 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9901/sctpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9901" dir=in action=allow protocol=SCTP localport=9901Security 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- Outdated versions with vulnerabilities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 9901/SCTP?
Port 9901/SCTP is associated with the enrp-sctp service. enrp server channel
Is it safe to expose port 9901 to the Internet?
It depends on the service and configuration. Port 9901 (enrp-sctp) 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 9901 is open?
You can use nmap: `nmap -p 9901 -sV example.com`, netcat: `nc -zv example.com 9901`, or the bash command: `(echo > /dev/sctp/example.com/9901) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9901 on my firewall?
On Linux with UFW: `sudo ufw allow 9901/sctp` (open) or `sudo ufw deny 9901/sctp` (close). With iptables: `sudo iptables -A INPUT -p sctp --dport 9901 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9901" dir=in action=allow protocol=SCTP localport=9901`.
What applications and services use port 9901?
Port 9901/SCTP is used by the enrp-sctp service. Specific uses depend on the software and configuration. Check our related tools section for more information.