All ports
Port18186/TCP
ohscPort
18186
Protocol
TCP
Category
Registered
Service
ohsc
What is port 18186?
Port 18186/TCP is a Registered port, registered with IANA for specific applications. It is associated with the ohsc service.
Occupational Health SC
Useful commands
nmapnmap -p 18186 -sV example.comnetcatnc -zv example.com 18186curlcurl -v http://example.com:18186/telnettelnet example.com 18186bash(echo > /dev/tcp/example.com/18186) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 18186/tcpDeny
sudo ufw deny 18186/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 18186 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 18186 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=18186/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 18186" dir=in action=allow protocol=TCP localport=18186Security 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- Outdated versions with vulnerabilities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 18186/TCP?
Port 18186/TCP is associated with the ohsc service. Occupational Health SC
Is it safe to expose port 18186 to the Internet?
It depends on the service and configuration. Port 18186 (ohsc) 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 18186 is open?
You can use nmap: `nmap -p 18186 -sV example.com`, netcat: `nc -zv example.com 18186`, or the bash command: `(echo > /dev/tcp/example.com/18186) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 18186 on my firewall?
On Linux with UFW: `sudo ufw allow 18186/tcp` (open) or `sudo ufw deny 18186/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 18186 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 18186" dir=in action=allow protocol=TCP localport=18186`.
What applications and services use port 18186?
Port 18186/TCP is used by the ohsc service. Specific uses depend on the software and configuration. Check our related tools section for more information.