All ports

Port1749/UDP

aspen-services

Port

1749

Protocol

UDP

Category

Registered

Service

aspen-services

What is port 1749?

Port 1749/UDP is a Registered port, registered with IANA for specific applications. It is associated with the aspen-services service.

aspen-services

Useful commands

nmapnmap -p 1749 -sV example.com
netcatnc -zv example.com 1749
curlcurl -v http://example.com:1749/
telnettelnet example.com 1749
bash(echo > /dev/udp/example.com/1749) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 1749/udp
Deny
sudo ufw deny 1749/udp
iptablesAllow
sudo iptables -A INPUT -p udp --dport 1749 -j ACCEPT
Deny
sudo iptables -D INPUT -p udp --dport 1749 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=1749/udp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 1749" dir=in action=allow protocol=UDP localport=1749

Security 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  • Outdated versions with vulnerabilities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 1749/UDP?

Port 1749/UDP is associated with the aspen-services service. aspen-services

Is it safe to expose port 1749 to the Internet?

It depends on the service and configuration. Port 1749 (aspen-services) 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 1749 is open?

You can use nmap: `nmap -p 1749 -sV example.com`, netcat: `nc -zv example.com 1749`, or the bash command: `(echo > /dev/udp/example.com/1749) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 1749 on my firewall?

On Linux with UFW: `sudo ufw allow 1749/udp` (open) or `sudo ufw deny 1749/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1749 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1749" dir=in action=allow protocol=UDP localport=1749`.

What applications and services use port 1749?

Port 1749/UDP is used by the aspen-services service. Specific uses depend on the software and configuration. Check our related tools section for more information.

Related ports