All ports
Port2291/UDP
eapspPort
2291
Protocol
UDP
Category
Registered
Service
eapsp
What is port 2291?
Port 2291/UDP is a Registered port, registered with IANA for specific applications. It is associated with the eapsp service.
EPSON Advanced Printer Share Protocol
Useful commands
nmapnmap -p 2291 -sV example.comnetcatnc -zv example.com 2291curlcurl -v http://example.com:2291/telnettelnet example.com 2291bash(echo > /dev/udp/example.com/2291) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2291/udpDeny
sudo ufw deny 2291/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2291 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2291 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2291/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2291" dir=in action=allow protocol=UDP localport=2291Security 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- Outdated versions with vulnerabilities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 2291/UDP?
Port 2291/UDP is associated with the eapsp service. EPSON Advanced Printer Share Protocol
Is it safe to expose port 2291 to the Internet?
It depends on the service and configuration. Port 2291 (eapsp) 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 2291 is open?
You can use nmap: `nmap -p 2291 -sV example.com`, netcat: `nc -zv example.com 2291`, or the bash command: `(echo > /dev/udp/example.com/2291) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2291 on my firewall?
On Linux with UFW: `sudo ufw allow 2291/udp` (open) or `sudo ufw deny 2291/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2291 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2291" dir=in action=allow protocol=UDP localport=2291`.
What applications and services use port 2291?
Port 2291/UDP is used by the eapsp service. Specific uses depend on the software and configuration. Check our related tools section for more information.