5353

UDP

mDNS

Multicast DNS

⚠️ Security: DependsStatus: Active🌐 Category: Network

📋 Basic Information

Port Number
5353
Protocol
UDP
Service
mDNS
Popularity
🔥 High
Description
Multicast DNS (mDNS). Protocol for resolving hostnames on local networks without a DNS server. Used by Apple Bonjour and Linux Avahi
Tags
dnslocal-networkdiscoveryapple

🔒 Security Information

💡

Security Notes

For local networks only, recommended to block mDNS traffic to external networks

🔗 Related Ports

53🔥

DNS

Domain Name System

TCPUDP

Domain Name System for translating domain names to IP addresses. Essential network infrastructure service.

⚠️ Security: Depends🌐 Category: Network

📚 References