Questions tagged [mdns]

mDNS (Multicast DNS) is a way of using familiar DNS programming interfaces, packet formats and operating, in a small network where no conventional DNS server has been installed.

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How to install libnss-mdns in centos7

I have a requirement to migrate a service from Ubuntu image to centos image. I am having problems installing yum install avahi-daemon libnss-mdns services. I found the name of avahi-daemon's ...
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avahi-resolve failing for services on local machine

I'm trying to setup newtek NDI for video streaming on local network. NDI uses mDNS for service discovery as described here. I already have NDI services running on windows machine and iOS device and I'...
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Republishing mDNS to another network

Is it possible to configure a DNS server to "republish" (actually: forward requests to) a multicast DNS system on a network it's on? To give a concrete example, I have a site-to-site VPN set ...
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No bonjour discovery even in TAP\Ethernet-bridge mode OpenVPN

I have a remote printer/scanner on a network that is accessible to me via OpenVPN server tap running on Ubuntu host. IP printing is fine, its the scanner service i need using tools on my client ...
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How to read mDNS response so I can parse it?

I know nmap has mDNS service discovery script but it wasn't helpful in my case as it doesn't include the correct service names. So I want to parse the following response as caught in wireshark, any ...
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Setting up mDNS with nginx to work with ios

I am running a site that I am hosting on my local network with mDNS. I can connect to it from my linux computers with the local mDNS name, but when I try to connect from my iPhone it takes me to the ...
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How to configure an IPP-driverless printer with static IP address in CUPS?

I've recently bought a new network printer and it supports driverless printing over IPP. It works out of the box on Ubuntu 20.04 using CUPS with cups-browsed configured like this: ...
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Why is my Virtual Machine sending MDNS requests in the internal network?

Following setup: Windows 10 host system runs 2 Ubuntu 20.04 Virtual Machines from VirtualBox. Both the VMs have their network adapter set to "internal" mode, which means only an internal ...
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Avahi gtk style provider error/ avahi-daemon won't start

So, just got a Raspberry Pi, and I'm trying to connect to it via mDNS. However, when trying to start avahi-daemon on my WSL2 kali-linux distribution sudo service avahi-daemon start I get Starting ...
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How to force Windows to resolve LAN hostnames via DNS?

Forget everything you've read about Windows hostname resolution, because it's wrong when it comes to LAN (unqualified) hostnames. No matter what I try, Windows will not contact the configured DNS ...
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Firewall logs show query replied back to mdns

This setup is from the network (192.168.29.0/27) in VMware Workstation as in the Network Diagram I have setup a Windows Server VM (192.168.28.47/27), and a firewall VM NIC (192.168.1.21/24) which is a ...
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Multicast configuration for mDNS

I just bought a pair of Nexuslink 2000PT powerline adapters. These are identical to the Comtrend PG-9182PT. It turns out that my Chromecast's mDNS broadcasts are unable to make it through the ...
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dnsmasq for looking up `.local` domains on the clients that don't support mDNS

mDNS (e.g. avahi, bonjour) allows a machine to advertise itself as machine-name.local on its LAN, and allows clients to look it up by that domain name instead of by IP. Most platforms support mDNS out ...
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Can only see MDNS packets when I look for DNS packets

I'm playing with Wireshark and want to inspect some DNS packets so I flush my dns using ipconfig /flushdns and entering a url in my browser (Google Chrome). While I expect for a DNS packets and only ...
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Reset mDNS service on Windows 10 without rebooting

Summary Sometimes multicast DNS (mDNS) on my Windows 10 desktop gets hung up and doesn't resolve the names of other devices on the network. I am connecting to SSH and web services running on several ...
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Best choice for private/home network TLD? Overlap with mDNS?

I'm trying to make my home network settings sane and I noticed I have a mix of TLDs with .local and .localdomain (the latter is the default of my Ubiquiti Security Gateway). I understand that .local ...
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How to continually run mDNS on Windows 10?

I'm facing issues enabling mDNS in Windows 10. I've implemented the solution provided in this question and it works, but after running PC 24 hrs it vanishes and Bonjour Services can't find any mDNS ...
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Broadcast mDNS for another device

I have a custom/experimental device (D) on my home LAN with a static IP running an HTTP server. For reasons that are not important to this question, (D) cannot run mDNS. I have another full-fledged ...
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mDNS on a large domain

I'm working remotely on a corporate VPN and I can connect to our intranet webpage using the server IP address. I read it may be possible to instead resolve using http://servername.local/ourwebsite ...
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How to enable printer discovery using DNS-SD?

On Centos 8, I run lpinfo --include-schemes dnssd -v to discover printers, as suggested by CUPS documentation. Suspiciously, the command returns immediately without discovering anything. tcpdump ...
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How are hostnames assigned on macOS?

I'm using some application software which I have installed on an Azure VM. I have a MacBook laptop which I use to connect to the Azure VM, using Microsoft's Remote Desktop client for Mac software. ...
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Multicast DNS really slow to respond in macOS Mojave

I have a Macbook Air running 10.14 Mojave, and an iPhone with a certain app that needs to sync via WebDAV with the Mac from time to time. The way I configured it is to add in the app's settings http://...
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mDNS / DNS-SD on Windows 10 stops working when the network change

I was trying to discover services through DNS-SD protocol. To enable it on Windows 10 (version 1909), I followed this answer. However, after the network change, it stops working. No matter you try to ...
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How can work the local name resolution?

I have an Arduino Yun connected to my LAN as client, and this is not my dns server. I can reach it using its hostname: http://arduino.local How can I reach it without a DNS record? I ask to Arduino ...
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Time machine Detection over VPN via DNS-SD?

I'm running a local DNS server in my home network (dnsmasq) and a Netatalk instance for Time Machine over WiFi. Due to limitations of Multicast over my VPN setup, my Time Machine does not get ...
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Is it possible to find the Group IP of a local musticast network

I want to find the IP of the Multicast Groups I have joined. But, all the IP's obtained from netstat -ng are these: root@me:~# netstat -ng IPv6/IPv4 Group Memberships Interface RefCnt Group ----...
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Linux command to get mDNS Service discovery and to get its IP Address

I am broadcasting mDNS service from my WiFi module. I need to discover that in my Linux PC and get its IP address. I used mdns-scan command and I am getting the Service name listed. I used avahi-...
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mDNS not working for Raspberry Pi Zero W

So, I've just got a Raspberry Pi Zero W and installed Raspbian Stretch Lite (headless Debian Stretch). I was able to configure WiFi in headless mode and the Raspberry connected to my home WiFi network....
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2 votes
1 answer
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How to make .local resolve not via mDNS on Mac OS Mohave?

My ISP provides useful service on .local domain which is absolutely necessary. But I can't ping it from my Mac PC. I found out that the "problem" connected to Bonjour service and all .local domains ...
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dig command does not show A records

I brought up a DNS server on a Fortigate 60D. However, instead of dig giving me all the A records I defined (about 80 of them), all I see is this (note the lack of any lines of the form local. ...
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Debugging name resolution with Windows and APIPA

For lab equipment I use default settings everywhere and they use IP auto configuration (APIPA aka zeroconf I think); I've put them on a private switch. I was always able to to address them via their ...
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Firefox DNS resolution order

Do you know what is the DNS resolution process order of domain names in Firefox? Has the hosts file proprity over DNS server? Has the hosts file proprity over mDNS names in the network or mDNS is ...
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1 vote
1 answer
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Wired and wireless mDNS/Avahi discovery (Google Home/Chromecasts)

My network looks like this: [ pfSense Router ] - [ TP-SG3210 Switch ] - [ Netgear R7800 running OpenWrt ] The R7800 is running as an AP. No VLANs. Wired: nVidia Shield TV Ubuntu Server Wireless: ...
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avahi mdns not working on all systems

I have three systems running Fedora, named: dragon, wyvern and griffin. I am seeing strange mdns behaviour: From dragon, I can ping and ssh to all of dragon.local, wyvern.local and griffin.local ...
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25 votes
2 answers
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How to enable mDNS on Windows 10 build 17134?

I am looking for a way to resolve .local addresses in Windows 10. Windows itself also includes mDNS support, but that appears to only be available for Modern API applications. In the past, the ...
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2 votes
1 answer
3k views

LLMNR vs DNS - Why is 'ping' using llmnr instead of dns, unless I append a '.' to the hostname, and why is llmnr not working?

I am operating on a LAN closed off from the internet, and there are a few devices (A, B, C, ...) connected via ethernet cable to a single router making this LAN possible. Operating system on all ...
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Chromecast mDNS burst slowing down PCs

Starting a few weeks ago, at seemingly random intervals, 3 of 5 PCs will lag at the same time for a few seconds to the extent where mouse and keyboard input is delayed and VoIP calls are dropped. ...
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2 votes
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Is it possible to run multiple mDNS responders (for DNS-SD) on the same host?

I'm trying to design a P2P protocol where several user applications in a residential network can discover each other. I've looked at various service discovery protocols, most notably DNS-SD with mDNS. ...
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Seeing mDNS domains outside my LAN

A couple weeks ago, I installed a new router. Doing so, I switched my modem from router to gateway mode. After doing this, one day my Apple TV started showing up as 'Apple TV (2)'. It's been a busy ...
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6 votes
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How do I get mDNS (avahi) to work on Windows Subsystem for Linux?

I've followed the last example in this thread: https://github.com/Microsoft/WSL/issues/384 In other words: ~$ sudo service dbus start * Starting system message bus dbus ...
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2 votes
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Multicast DNS over SoftAP on Win10 IoT

When I connect my Win10 IoT board to a WiFi, I can connect to its web interface from macOS via http://minwinpc.local:8080. The resolution of the hostname happens through multicast DNS, as can be ...
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1 vote
1 answer
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Make domain direct to LAN IP

What I'm trying to achieve I'm trying to make a domain name direct to the local IP address of a Raspberry Pi running Raspbian, primarily so I don't have to remember an IP address. (I know I can set a ...
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mDNS (Avahi) not working when hostname changed

With a new Raspbian Jessie 4.4 (4.4.38+ #938 Thu Dec 15 15:17:54 GMT 2016 armv6l GNU/Linux) OS installed and ssh enabled it is possible to access the machine with: $ ssh pi@raspberrypi.local However ...
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Avahi seems to stop publishing/refreshing services after a while

Firstable, I looked up to several Q/A, i can ensure that the following points are fullfiled: IGMP snooping isn't filtered by switch/router. Bonjour services (mDNSResponder.exe) is granted and allowed ...
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DNS-SD(Avahi) on Bluetooth Network Interface (BNEP)

I am trying to publish discover dns-sd services on BNEP network interface. I have a Linux system and one Android phone. I have enabled tethering from my android phone and made the Linux System connect ...
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Mac Bonjour sevice listing no local services

My Mac (OSX 10.12.3) cannot find local Bonjour (mdns) services - e.g. local Mac computers, Apple TVs etc. When using "Bonjour Browser" (http://www.tildesoft.com/) I can see: Services from an iCloud ...
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3 votes
1 answer
1k views

Debian jessie: how do I close openly accessible mDNS services?

I received a report that inform me that the mDNS services are openly accessible on a server of mine. I searched the internet, but I wasn't able to find how to close them in debian.
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Browser and web app multicast DNS

I have a web server with a web application running in local network without a DNS server. I would like to use this address to open my application: http://myapplication/ Now I must set the webserver ...
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4 votes
2 answers
3k views

Resolving `.local` name (mDNS only)

I have a home network set up using mDNS, containing assorted systems (including an always-on Raspberry Pi). My machines are running avahi daemons, so the current situation is: everybody on the ...
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Windows 7 can't ping .local but other Windows 7 can, on same network

I have two Windows 7 computers, and a standard Raspberian installed Pi3. The first Windows 7 machine can ping perfectly fine: PING raspberrypi.local The second Windows 7 machine that can ping the IP ...
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