All ports
Port1905/TCP
sugpPort
1905
Protocol
TCP
Category
Registered
Service
sugp
What is port 1905?
Port 1905/TCP is a Registered port, registered with IANA for specific applications. It is associated with the sugp service.
Secure UP.Link Gateway Protocol
Useful commands
nmapnmap -p 1905 -sV example.comnetcatnc -zv example.com 1905curlcurl -v http://example.com:1905/telnettelnet example.com 1905bash(echo > /dev/tcp/example.com/1905) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1905/tcpDeny
sudo ufw deny 1905/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 1905 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 1905 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1905/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1905" dir=in action=allow protocol=TCP localport=1905Security 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- Outdated versions with vulnerabilities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 1905/TCP?
Port 1905/TCP is associated with the sugp service. Secure UP.Link Gateway Protocol
Is it safe to expose port 1905 to the Internet?
It depends on the service and configuration. Port 1905 (sugp) 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 1905 is open?
You can use nmap: `nmap -p 1905 -sV example.com`, netcat: `nc -zv example.com 1905`, or the bash command: `(echo > /dev/tcp/example.com/1905) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1905 on my firewall?
On Linux with UFW: `sudo ufw allow 1905/tcp` (open) or `sudo ufw deny 1905/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 1905 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1905" dir=in action=allow protocol=TCP localport=1905`.
What applications and services use port 1905?
Port 1905/TCP is used by the sugp service. Specific uses depend on the software and configuration. Check our related tools section for more information.