All ports

Port196/TCP

dn6-smm-red

Port

196

Protocol

TCP

Category

Well-Known

Service

dn6-smm-red

What is port 196?

Port 196/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the dn6-smm-red service.

DNSIX Session Mgt Module Audit Redir

Useful commands

nmapnmap -p 196 -sV example.com
netcatnc -zv example.com 196
curlcurl -v http://example.com:196/
telnettelnet example.com 196
bash(echo > /dev/tcp/example.com/196) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 196/tcp
Deny
sudo ufw deny 196/tcp
iptablesAllow
sudo iptables -A INPUT -p tcp --dport 196 -j ACCEPT
Deny
sudo iptables -D INPUT -p tcp --dport 196 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=196/tcp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 196" dir=in action=allow protocol=TCP localport=196

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  • Outdated versions with vulnerabilities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 196/TCP?

Port 196/TCP is associated with the dn6-smm-red service. DNSIX Session Mgt Module Audit Redir

Is it safe to expose port 196 to the Internet?

It depends on the service and configuration. Port 196 (dn6-smm-red) 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 196 is open?

You can use nmap: `nmap -p 196 -sV example.com`, netcat: `nc -zv example.com 196`, or the bash command: `(echo > /dev/tcp/example.com/196) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 196 on my firewall?

On Linux with UFW: `sudo ufw allow 196/tcp` (open) or `sudo ufw deny 196/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 196 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 196" dir=in action=allow protocol=TCP localport=196`.

What applications and services use port 196?

Port 196/TCP is used by the dn6-smm-red service. Specific uses depend on the software and configuration. Check our related tools section for more information.

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