All ports
Port2905/SCTP
m3uaPort
2905
Protocol
SCTP
Category
Registered
Service
m3ua
What is port 2905?
Port 2905/SCTP is a Registered port, registered with IANA for specific applications. It is associated with the m3ua service.
M3UA
Useful commands
nmapnmap -p 2905 -sV example.comnetcatnc -zv example.com 2905curlcurl -v http://example.com:2905/telnettelnet example.com 2905bash(echo > /dev/sctp/example.com/2905) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2905/sctpDeny
sudo ufw deny 2905/sctpiptablesAllow
sudo iptables -A INPUT -p sctp --dport 2905 -j ACCEPTDeny
sudo iptables -D INPUT -p sctp --dport 2905 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2905/sctpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2905" dir=in action=allow protocol=SCTP localport=2905Security 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- Outdated versions with vulnerabilities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 2905/SCTP?
Port 2905/SCTP is associated with the m3ua service. M3UA
Is it safe to expose port 2905 to the Internet?
It depends on the service and configuration. Port 2905 (m3ua) 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 2905 is open?
You can use nmap: `nmap -p 2905 -sV example.com`, netcat: `nc -zv example.com 2905`, or the bash command: `(echo > /dev/sctp/example.com/2905) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2905 on my firewall?
On Linux with UFW: `sudo ufw allow 2905/sctp` (open) or `sudo ufw deny 2905/sctp` (close). With iptables: `sudo iptables -A INPUT -p sctp --dport 2905 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2905" dir=in action=allow protocol=SCTP localport=2905`.
What applications and services use port 2905?
Port 2905/SCTP is used by the m3ua service. Specific uses depend on the software and configuration. Check our related tools section for more information.