All ports

Port193/UDP

srmp

Port

193

Protocol

UDP

Category

Well-Known

Service

srmp

What is port 193?

Port 193/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the srmp service.

Spider Remote Monitoring Protocol

Useful commands

nmapnmap -p 193 -sV example.com
netcatnc -zv example.com 193
curlcurl -v http://example.com:193/
telnettelnet example.com 193
bash(echo > /dev/udp/example.com/193) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 193/udp
Deny
sudo ufw deny 193/udp
iptablesAllow
sudo iptables -A INPUT -p udp --dport 193 -j ACCEPT
Deny
sudo iptables -D INPUT -p udp --dport 193 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=193/udp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 193" dir=in action=allow protocol=UDP localport=193

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  • Outdated versions with vulnerabilities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 193/UDP?

Port 193/UDP is associated with the srmp service. Spider Remote Monitoring Protocol

Is it safe to expose port 193 to the Internet?

It depends on the service and configuration. Port 193 (srmp) 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 193 is open?

You can use nmap: `nmap -p 193 -sV example.com`, netcat: `nc -zv example.com 193`, or the bash command: `(echo > /dev/udp/example.com/193) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 193 on my firewall?

On Linux with UFW: `sudo ufw allow 193/udp` (open) or `sudo ufw deny 193/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 193 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 193" dir=in action=allow protocol=UDP localport=193`.

What applications and services use port 193?

Port 193/UDP is used by the srmp service. Specific uses depend on the software and configuration. Check our related tools section for more information.