All ports
Port1155/UDP
nfaPort
1155
Protocol
UDP
Category
Registered
Service
nfa
What is port 1155?
Port 1155/UDP is a Registered port, registered with IANA for specific applications. It is associated with the nfa service.
Network File Access
Useful commands
nmapnmap -p 1155 -sV example.comnetcatnc -zv example.com 1155curlcurl -v http://example.com:1155/telnettelnet example.com 1155bash(echo > /dev/udp/example.com/1155) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1155/udpDeny
sudo ufw deny 1155/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1155 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1155 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1155/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1155" dir=in action=allow protocol=UDP localport=1155Security 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- Outdated versions with vulnerabilities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 1155/UDP?
Port 1155/UDP is associated with the nfa service. Network File Access
Is it safe to expose port 1155 to the Internet?
It depends on the service and configuration. Port 1155 (nfa) 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 1155 is open?
You can use nmap: `nmap -p 1155 -sV example.com`, netcat: `nc -zv example.com 1155`, or the bash command: `(echo > /dev/udp/example.com/1155) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1155 on my firewall?
On Linux with UFW: `sudo ufw allow 1155/udp` (open) or `sudo ufw deny 1155/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1155 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1155" dir=in action=allow protocol=UDP localport=1155`.
What applications and services use port 1155?
Port 1155/UDP is used by the nfa service. Specific uses depend on the software and configuration. Check our related tools section for more information.