All ports
Port1741/TCP
cisco-net-mgmtPort
1741
Protocol
TCP
Category
Registered
Service
cisco-net-mgmt
What is port 1741?
Port 1741/TCP is a Registered port, registered with IANA for specific applications. It is associated with the cisco-net-mgmt service.
cisco-net-mgmt
Useful commands
nmapnmap -p 1741 -sV example.comnetcatnc -zv example.com 1741curlcurl -v http://example.com:1741/telnettelnet example.com 1741bash(echo > /dev/tcp/example.com/1741) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1741/tcpDeny
sudo ufw deny 1741/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 1741 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 1741 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1741/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1741" dir=in action=allow protocol=TCP localport=1741Security 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- Outdated versions with vulnerabilities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 1741/TCP?
Port 1741/TCP is associated with the cisco-net-mgmt service. cisco-net-mgmt
Is it safe to expose port 1741 to the Internet?
It depends on the service and configuration. Port 1741 (cisco-net-mgmt) 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 1741 is open?
You can use nmap: `nmap -p 1741 -sV example.com`, netcat: `nc -zv example.com 1741`, or the bash command: `(echo > /dev/tcp/example.com/1741) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1741 on my firewall?
On Linux with UFW: `sudo ufw allow 1741/tcp` (open) or `sudo ufw deny 1741/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 1741 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1741" dir=in action=allow protocol=TCP localport=1741`.
What applications and services use port 1741?
Port 1741/TCP is used by the cisco-net-mgmt service. Specific uses depend on the software and configuration. Check our related tools section for more information.