All ports

Port168/TCP

rsvd

Port

168

Protocol

TCP

Category

Well-Known

Service

rsvd

What is port 168?

Port 168/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the rsvd service.

RSVD

Useful commands

nmapnmap -p 168 -sV example.com
netcatnc -zv example.com 168
curlcurl -v http://example.com:168/
telnettelnet example.com 168
bash(echo > /dev/tcp/example.com/168) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 168/tcp
Deny
sudo ufw deny 168/tcp
iptablesAllow
sudo iptables -A INPUT -p tcp --dport 168 -j ACCEPT
Deny
sudo iptables -D INPUT -p tcp --dport 168 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=168/tcp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 168" dir=in action=allow protocol=TCP localport=168

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  • Outdated versions with vulnerabilities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 168/TCP?

Port 168/TCP is associated with the rsvd service. RSVD

Is it safe to expose port 168 to the Internet?

It depends on the service and configuration. Port 168 (rsvd) 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 168 is open?

You can use nmap: `nmap -p 168 -sV example.com`, netcat: `nc -zv example.com 168`, or the bash command: `(echo > /dev/tcp/example.com/168) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 168 on my firewall?

On Linux with UFW: `sudo ufw allow 168/tcp` (open) or `sudo ufw deny 168/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 168 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 168" dir=in action=allow protocol=TCP localport=168`.

What applications and services use port 168?

Port 168/TCP is used by the rsvd service. Specific uses depend on the software and configuration. Check our related tools section for more information.