All ports
Port33435/UDP
mtracePort
33435
Protocol
UDP
Category
Registered
Service
mtrace
What is port 33435?
Port 33435/UDP is a Registered port, registered with IANA for specific applications. It is associated with the mtrace service.
IP Multicast Traceroute
Useful commands
nmapnmap -p 33435 -sV example.comnetcatnc -zv example.com 33435curlcurl -v http://example.com:33435/telnettelnet example.com 33435bash(echo > /dev/udp/example.com/33435) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 33435/udpDeny
sudo ufw deny 33435/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 33435 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 33435 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=33435/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 33435" dir=in action=allow protocol=UDP localport=33435Security 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- Outdated versions with vulnerabilities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 33435/UDP?
Port 33435/UDP is associated with the mtrace service. IP Multicast Traceroute
Is it safe to expose port 33435 to the Internet?
It depends on the service and configuration. Port 33435 (mtrace) 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 33435 is open?
You can use nmap: `nmap -p 33435 -sV example.com`, netcat: `nc -zv example.com 33435`, or the bash command: `(echo > /dev/udp/example.com/33435) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 33435 on my firewall?
On Linux with UFW: `sudo ufw allow 33435/udp` (open) or `sudo ufw deny 33435/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 33435 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 33435" dir=in action=allow protocol=UDP localport=33435`.
What applications and services use port 33435?
Port 33435/UDP is used by the mtrace service. Specific uses depend on the software and configuration. Check our related tools section for more information.