All ports
Port2099/UDP
h2250-annex-gPort
2099
Protocol
UDP
Category
Registered
Service
h2250-annex-g
What is port 2099?
Port 2099/UDP is a Registered port, registered with IANA for specific applications. It is associated with the h2250-annex-g service.
H.225.0 Annex G Signalling
Useful commands
nmapnmap -p 2099 -sV example.comnetcatnc -zv example.com 2099curlcurl -v http://example.com:2099/telnettelnet example.com 2099bash(echo > /dev/udp/example.com/2099) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2099/udpDeny
sudo ufw deny 2099/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2099 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2099 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2099/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2099" dir=in action=allow protocol=UDP localport=2099Security 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- Outdated versions with vulnerabilities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 2099/UDP?
Port 2099/UDP is associated with the h2250-annex-g service. H.225.0 Annex G Signalling
Is it safe to expose port 2099 to the Internet?
It depends on the service and configuration. Port 2099 (h2250-annex-g) 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 2099 is open?
You can use nmap: `nmap -p 2099 -sV example.com`, netcat: `nc -zv example.com 2099`, or the bash command: `(echo > /dev/udp/example.com/2099) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2099 on my firewall?
On Linux with UFW: `sudo ufw allow 2099/udp` (open) or `sudo ufw deny 2099/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2099 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2099" dir=in action=allow protocol=UDP localport=2099`.
What applications and services use port 2099?
Port 2099/UDP is used by the h2250-annex-g service. Specific uses depend on the software and configuration. Check our related tools section for more information.