All ports
Port2903/UDP
suitcasePort
2903
Protocol
UDP
Category
Registered
Service
suitcase
What is port 2903?
Port 2903/UDP is a Registered port, registered with IANA for specific applications. It is associated with the suitcase service.
SUITCASE
Useful commands
nmapnmap -p 2903 -sV example.comnetcatnc -zv example.com 2903curlcurl -v http://example.com:2903/telnettelnet example.com 2903bash(echo > /dev/udp/example.com/2903) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2903/udpDeny
sudo ufw deny 2903/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2903 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2903 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2903/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2903" dir=in action=allow protocol=UDP localport=2903Security 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- Outdated versions with vulnerabilities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 2903/UDP?
Port 2903/UDP is associated with the suitcase service. SUITCASE
Is it safe to expose port 2903 to the Internet?
It depends on the service and configuration. Port 2903 (suitcase) 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 2903 is open?
You can use nmap: `nmap -p 2903 -sV example.com`, netcat: `nc -zv example.com 2903`, or the bash command: `(echo > /dev/udp/example.com/2903) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2903 on my firewall?
On Linux with UFW: `sudo ufw allow 2903/udp` (open) or `sudo ufw deny 2903/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2903 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2903" dir=in action=allow protocol=UDP localport=2903`.
What applications and services use port 2903?
Port 2903/UDP is used by the suitcase service. Specific uses depend on the software and configuration. Check our related tools section for more information.