All ports
Port499/TCP
iso-illPort
499
Protocol
TCP
Category
Well-Known
Service
iso-ill
What is port 499?
Port 499/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the iso-ill service.
ISO ILL Protocol
Useful commands
nmapnmap -p 499 -sV example.comnetcatnc -zv example.com 499curlcurl -v http://example.com:499/telnettelnet example.com 499bash(echo > /dev/tcp/example.com/499) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 499/tcpDeny
sudo ufw deny 499/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 499 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 499 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=499/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 499" dir=in action=allow protocol=TCP localport=499Security 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- Outdated versions with vulnerabilities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 499/TCP?
Port 499/TCP is associated with the iso-ill service. ISO ILL Protocol
Is it safe to expose port 499 to the Internet?
It depends on the service and configuration. Port 499 (iso-ill) is a Well-Known 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 499 is open?
You can use nmap: `nmap -p 499 -sV example.com`, netcat: `nc -zv example.com 499`, or the bash command: `(echo > /dev/tcp/example.com/499) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 499 on my firewall?
On Linux with UFW: `sudo ufw allow 499/tcp` (open) or `sudo ufw deny 499/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 499 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 499" dir=in action=allow protocol=TCP localport=499`.
What applications and services use port 499?
Port 499/TCP is used by the iso-ill service. Specific uses depend on the software and configuration. Check our related tools section for more information.