All ports
Port4804/UDP
aja-ntv4-discPort
4804
Protocol
UDP
Category
Registered
Service
aja-ntv4-disc
What is port 4804?
Port 4804/UDP is a Registered port, registered with IANA for specific applications. It is associated with the aja-ntv4-disc service.
AJA ntv4 Video System Discovery
Useful commands
nmapnmap -p 4804 -sV example.comnetcatnc -zv example.com 4804curlcurl -v http://example.com:4804/telnettelnet example.com 4804bash(echo > /dev/udp/example.com/4804) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4804/udpDeny
sudo ufw deny 4804/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4804 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4804 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4804/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4804" dir=in action=allow protocol=UDP localport=4804Security 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- Outdated versions with vulnerabilities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 4804/UDP?
Port 4804/UDP is associated with the aja-ntv4-disc service. AJA ntv4 Video System Discovery
Is it safe to expose port 4804 to the Internet?
It depends on the service and configuration. Port 4804 (aja-ntv4-disc) 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 4804 is open?
You can use nmap: `nmap -p 4804 -sV example.com`, netcat: `nc -zv example.com 4804`, or the bash command: `(echo > /dev/udp/example.com/4804) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4804 on my firewall?
On Linux with UFW: `sudo ufw allow 4804/udp` (open) or `sudo ufw deny 4804/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4804 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4804" dir=in action=allow protocol=UDP localport=4804`.
What applications and services use port 4804?
Port 4804/UDP is used by the aja-ntv4-disc service. Specific uses depend on the software and configuration. Check our related tools section for more information.