All ports
Port2428/TCP
ottPort
2428
Protocol
TCP
Category
Registered
Service
ott
What is port 2428?
Port 2428/TCP is a Registered port, registered with IANA for specific applications. It is associated with the ott service.
One Way Trip Time
Useful commands
nmapnmap -p 2428 -sV example.comnetcatnc -zv example.com 2428curlcurl -v http://example.com:2428/telnettelnet example.com 2428bash(echo > /dev/tcp/example.com/2428) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2428/tcpDeny
sudo ufw deny 2428/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2428 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2428 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2428/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2428" dir=in action=allow protocol=TCP localport=2428Security 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- Outdated versions with vulnerabilities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 2428/TCP?
Port 2428/TCP is associated with the ott service. One Way Trip Time
Is it safe to expose port 2428 to the Internet?
It depends on the service and configuration. Port 2428 (ott) 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 2428 is open?
You can use nmap: `nmap -p 2428 -sV example.com`, netcat: `nc -zv example.com 2428`, or the bash command: `(echo > /dev/tcp/example.com/2428) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2428 on my firewall?
On Linux with UFW: `sudo ufw allow 2428/tcp` (open) or `sudo ufw deny 2428/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2428 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2428" dir=in action=allow protocol=TCP localport=2428`.
What applications and services use port 2428?
Port 2428/TCP is used by the ott service. Specific uses depend on the software and configuration. Check our related tools section for more information.