Port520— Quagga
Port de Routing Information Protocol pour échanger les informations des tables de routage
Registry assignments, software defaults and local listeners are different things. A port number alone does not identify or secure a service.
Logiciels utilisant ce port (2 logiciels)
Community software entries: links are references, not individual verification.
Conseils d’utilisation
- Avant d’utiliser le port 520, vérifiez qu’il n’est pas occupé par d’autres services
- En cas de conflit de ports, envisagez d’utiliser d’autres ports ou d’arrêter le service qui occupe le port
Questions fréquentes
What is port 520 used for?
Port 520 sits in the System category. This page lists the registered purpose and the software commonly associated with it; to see what is actually listening on a specific machine, check the process with ss/netstat.
Is port 520 TCP or UDP?
The registered protocol on this page is UDP. The same number behaves independently on each protocol: TCP may be listening while UDP is idle, so check them separately.
How do I check if port 520 is in use?
On Linux: sudo ss -tlnp 'sport = :520' for an exact port match. On macOS: sudo lsof -nP -iTCP:520 -sTCP:LISTEN. On Windows PowerShell: Get-NetTCPConnection -LocalPort 520 -State Listen. A listener counts as confirmed only when you can see the bind address and process name; without root/admin you will not see other users' processes.
Is port 520 secure? Should I open it in my firewall?
A port number has no inherent security — it depends on whether the listening service is correctly configured and whether it needs exposure at all. Keep loopback/internal-only services firewalled; where public access is required, pair it with source restrictions, VPN or authentication.
En bref
- Port
- 520
- Protocole
- UDP
- Catégories
- Système
- État d’utilisation
- 2 logiciels utilisant ce port
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