All ports
Port9091/UDP
xmltec-xmlmailPort
9091
Protocol
UDP
Category
Registered
Service
xmltec-xmlmail
What is port 9091?
Port 9091/UDP is a Registered port, registered with IANA for specific applications. It is associated with the xmltec-xmlmail service.
xmltec-xmlmail
Useful commands
nmapnmap -p 9091 -sV example.comnetcatnc -zv example.com 9091curlcurl -v http://example.com:9091/telnettelnet example.com 9091bash(echo > /dev/udp/example.com/9091) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9091/udpDeny
sudo ufw deny 9091/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 9091 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 9091 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9091/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9091" dir=in action=allow protocol=UDP localport=9091Security Risks
- Open relay used for spam
- Email spoofing
- Brute force attacks against email accounts
- Information disclosure in email headers
Frequently Asked Questions
What service runs on port 9091/UDP?
Port 9091/UDP is associated with the xmltec-xmlmail service. xmltec-xmlmail
Is it safe to expose port 9091 to the Internet?
It depends on the service and configuration. Port 9091 (xmltec-xmlmail) 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 9091 is open?
You can use nmap: `nmap -p 9091 -sV example.com`, netcat: `nc -zv example.com 9091`, or the bash command: `(echo > /dev/udp/example.com/9091) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9091 on my firewall?
On Linux with UFW: `sudo ufw allow 9091/udp` (open) or `sudo ufw deny 9091/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 9091 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9091" dir=in action=allow protocol=UDP localport=9091`.
What applications and services use port 9091?
Port 9091/UDP is used by the xmltec-xmlmail service. Specific uses depend on the software and configuration. Check our related tools section for more information.