Port 33434
traceroute · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | traceroute |
Frequently asked questions
What is port 33434 used for?
Port 33434 is registered with the IANA for traceroute (TCP/UDP). Description: traceroute use.
Is port 33434 a well-known port?
No. Port 33434 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 33434 is open?
Locally on Linux with ss -tulpn | grep ':33434\b', on Windows with netstat -ano | findstr :33434. To test a remote host use Test-NetConnection <host> -Port 33434 in PowerShell or nc -zv <host> 33434 on Linux/macOS.
How do I open port 33434 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 33434/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=33434/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 33434" -Direction Inbound -Protocol TCP -LocalPort 33434 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | traceroute | traceroute use |
| UDP | traceroute | traceroute use |