All ports
Port1181/UDP
3comnetmanPort
1181
Protocol
UDP
Category
Registered
Service
3comnetman
What is port 1181?
Port 1181/UDP is a Registered port, registered with IANA for specific applications. It is associated with the 3comnetman service.
3Com Net Management
Useful commands
nmapnmap -p 1181 -sV example.comnetcatnc -zv example.com 1181curlcurl -v http://example.com:1181/telnettelnet example.com 1181bash(echo > /dev/udp/example.com/1181) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1181/udpDeny
sudo ufw deny 1181/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1181 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1181 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1181/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1181" dir=in action=allow protocol=UDP localport=1181Security 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- Outdated versions with vulnerabilities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 1181/UDP?
Port 1181/UDP is associated with the 3comnetman service. 3Com Net Management
Is it safe to expose port 1181 to the Internet?
It depends on the service and configuration. Port 1181 (3comnetman) 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 1181 is open?
You can use nmap: `nmap -p 1181 -sV example.com`, netcat: `nc -zv example.com 1181`, or the bash command: `(echo > /dev/udp/example.com/1181) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1181 on my firewall?
On Linux with UFW: `sudo ufw allow 1181/udp` (open) or `sudo ufw deny 1181/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1181 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1181" dir=in action=allow protocol=UDP localport=1181`.
What applications and services use port 1181?
Port 1181/UDP is used by the 3comnetman service. Specific uses depend on the software and configuration. Check our related tools section for more information.