# 5353/UDP Multicast DNS \(mDNS\)

## Basic Information

Apple Bonjour and Linux zero-configuration networking implementations \(e.g., Avahi\) use mDNS to discover network peripherals within the local network.  
**Default port:** 5353/UDP

```text
PORT     STATE SERVICE
5353/udp open  zeroconf
```

## Enumeration

```text
nmap -Pn -sUC -p5353 192.168.1.2

Starting Nmap 6.46 (http://nmap.org) at 2015-01-01 10:30 GMT
Nmap scan report for 192.168.1.2
PORT     STATE SERVICE
5353/udp open  zeroconf
| dns-service-discovery:
|   9/tcp workstation
|     Address=192.168.1.2
|   22/tcp ssh
|     Address=192.168.1.2
|   22/tcp sftp-ssh
|     Address=192.168.1.2
|   445/tcp smb
|     Address=192.168.1.2
```