All ports
Port86/TCP
mfcobolPort
86
Protocol
TCP
Category
Well-Known
Service
mfcobol
What is port 86?
Port 86/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the mfcobol service.
Micro Focus Cobol
Useful commands
nmapnmap -p 86 -sV example.comnetcatnc -zv example.com 86curlcurl -v http://example.com:86/telnettelnet example.com 86bash(echo > /dev/tcp/example.com/86) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 86/tcpDeny
sudo ufw deny 86/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 86 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 86 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=86/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 86" dir=in action=allow protocol=TCP localport=86Security 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- Outdated versions with vulnerabilities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 86/TCP?
Port 86/TCP is associated with the mfcobol service. Micro Focus Cobol
Is it safe to expose port 86 to the Internet?
It depends on the service and configuration. Port 86 (mfcobol) is a Well-Known 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 86 is open?
You can use nmap: `nmap -p 86 -sV example.com`, netcat: `nc -zv example.com 86`, or the bash command: `(echo > /dev/tcp/example.com/86) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 86 on my firewall?
On Linux with UFW: `sudo ufw allow 86/tcp` (open) or `sudo ufw deny 86/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 86 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 86" dir=in action=allow protocol=TCP localport=86`.
What applications and services use port 86?
Port 86/TCP is used by the mfcobol service. Specific uses depend on the software and configuration. Check our related tools section for more information.