All ports
Port19283/UDP
keysrvrPort
19283
Protocol
UDP
Category
Registered
Service
keysrvr
What is port 19283?
Port 19283/UDP is a Registered port, registered with IANA for specific applications. It is associated with the keysrvr service.
Key Server for SASSAFRAS
Useful commands
nmapnmap -p 19283 -sV example.comnetcatnc -zv example.com 19283curlcurl -v http://example.com:19283/telnettelnet example.com 19283bash(echo > /dev/udp/example.com/19283) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 19283/udpDeny
sudo ufw deny 19283/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 19283 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 19283 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=19283/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 19283" dir=in action=allow protocol=UDP localport=19283Security 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- Outdated versions with vulnerabilities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 19283/UDP?
Port 19283/UDP is associated with the keysrvr service. Key Server for SASSAFRAS
Is it safe to expose port 19283 to the Internet?
It depends on the service and configuration. Port 19283 (keysrvr) 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 19283 is open?
You can use nmap: `nmap -p 19283 -sV example.com`, netcat: `nc -zv example.com 19283`, or the bash command: `(echo > /dev/udp/example.com/19283) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 19283 on my firewall?
On Linux with UFW: `sudo ufw allow 19283/udp` (open) or `sudo ufw deny 19283/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 19283 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 19283" dir=in action=allow protocol=UDP localport=19283`.
What applications and services use port 19283?
Port 19283/UDP is used by the keysrvr service. Specific uses depend on the software and configuration. Check our related tools section for more information.