All ports

Port3801/TCP

ibm-mgr

Port

3801

Protocol

TCP

Category

Registered

Service

ibm-mgr

What is port 3801?

Port 3801/TCP is a Registered port, registered with IANA for specific applications. It is associated with the ibm-mgr service.

ibm manager service

Useful commands

nmapnmap -p 3801 -sV example.com
netcatnc -zv example.com 3801
curlcurl -v http://example.com:3801/
telnettelnet example.com 3801
bash(echo > /dev/tcp/example.com/3801) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 3801/tcp
Deny
sudo ufw deny 3801/tcp
iptablesAllow
sudo iptables -A INPUT -p tcp --dport 3801 -j ACCEPT
Deny
sudo iptables -D INPUT -p tcp --dport 3801 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=3801/tcp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 3801" dir=in action=allow protocol=TCP localport=3801

Security 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  • Outdated versions with vulnerabilities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 3801/TCP?

Port 3801/TCP is associated with the ibm-mgr service. ibm manager service

Is it safe to expose port 3801 to the Internet?

It depends on the service and configuration. Port 3801 (ibm-mgr) 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 3801 is open?

You can use nmap: `nmap -p 3801 -sV example.com`, netcat: `nc -zv example.com 3801`, or the bash command: `(echo > /dev/tcp/example.com/3801) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 3801 on my firewall?

On Linux with UFW: `sudo ufw allow 3801/tcp` (open) or `sudo ufw deny 3801/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3801 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3801" dir=in action=allow protocol=TCP localport=3801`.

What applications and services use port 3801?

Port 3801/TCP is used by the ibm-mgr service. Specific uses depend on the software and configuration. Check our related tools section for more information.

Related ports