All ports

Port159/TCP

nss-routing

Port

159

Protocol

TCP

Category

Well-Known

Service

nss-routing

What is port 159?

Port 159/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the nss-routing service.

NSS-Routing

Useful commands

nmapnmap -p 159 -sV example.com
netcatnc -zv example.com 159
curlcurl -v http://example.com:159/
telnettelnet example.com 159
bash(echo > /dev/tcp/example.com/159) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 159/tcp
Deny
sudo ufw deny 159/tcp
iptablesAllow
sudo iptables -A INPUT -p tcp --dport 159 -j ACCEPT
Deny
sudo iptables -D INPUT -p tcp --dport 159 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=159/tcp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 159" dir=in action=allow protocol=TCP localport=159

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  • Outdated versions with vulnerabilities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 159/TCP?

Port 159/TCP is associated with the nss-routing service. NSS-Routing

Is it safe to expose port 159 to the Internet?

It depends on the service and configuration. Port 159 (nss-routing) 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 159 is open?

You can use nmap: `nmap -p 159 -sV example.com`, netcat: `nc -zv example.com 159`, or the bash command: `(echo > /dev/tcp/example.com/159) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 159 on my firewall?

On Linux with UFW: `sudo ufw allow 159/tcp` (open) or `sudo ufw deny 159/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 159 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 159" dir=in action=allow protocol=TCP localport=159`.

What applications and services use port 159?

Port 159/TCP is used by the nss-routing service. Specific uses depend on the software and configuration. Check our related tools section for more information.

Related ports