All ports

Port2099/TCP

h2250-annex-g

Port

2099

Protocol

TCP

Category

Registered

Service

h2250-annex-g

What is port 2099?

Port 2099/TCP 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.com
netcatnc -zv example.com 2099
curlcurl -v http://example.com:2099/
telnettelnet example.com 2099
bash(echo > /dev/tcp/example.com/2099) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 2099/tcp
Deny
sudo ufw deny 2099/tcp
iptablesAllow
sudo iptables -A INPUT -p tcp --dport 2099 -j ACCEPT
Deny
sudo iptables -D INPUT -p tcp --dport 2099 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=2099/tcp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 2099" dir=in action=allow protocol=TCP localport=2099

Security 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  • Outdated versions with vulnerabilities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/TCP?

Port 2099/TCP 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/tcp/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/tcp` (open) or `sudo ufw deny 2099/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2099 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2099" dir=in action=allow protocol=TCP localport=2099`.

What applications and services use port 2099?

Port 2099/TCP is used by the h2250-annex-g service. Specific uses depend on the software and configuration. Check our related tools section for more information.