All ports
Port18183/UDP
opsec-samPort
18183
Protocol
UDP
Category
Registered
Service
opsec-sam
What is port 18183?
Port 18183/UDP is a Registered port, registered with IANA for specific applications. It is associated with the opsec-sam service.
OPSEC SAM
Useful commands
nmapnmap -p 18183 -sV example.comnetcatnc -zv example.com 18183curlcurl -v http://example.com:18183/telnettelnet example.com 18183bash(echo > /dev/udp/example.com/18183) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 18183/udpDeny
sudo ufw deny 18183/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 18183 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 18183 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=18183/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 18183" dir=in action=allow protocol=UDP localport=18183Security 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- Outdated versions with vulnerabilities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 18183/UDP?
Port 18183/UDP is associated with the opsec-sam service. OPSEC SAM
Is it safe to expose port 18183 to the Internet?
It depends on the service and configuration. Port 18183 (opsec-sam) 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 18183 is open?
You can use nmap: `nmap -p 18183 -sV example.com`, netcat: `nc -zv example.com 18183`, or the bash command: `(echo > /dev/udp/example.com/18183) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 18183 on my firewall?
On Linux with UFW: `sudo ufw allow 18183/udp` (open) or `sudo ufw deny 18183/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 18183 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 18183" dir=in action=allow protocol=UDP localport=18183`.
What applications and services use port 18183?
Port 18183/UDP is used by the opsec-sam service. Specific uses depend on the software and configuration. Check our related tools section for more information.