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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29 views

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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1answer
43 views

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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Cisco SMB WAP4410N Wireless Isolation:(between SSID) renders Chromecast not found

I've setup a small home network using a Cisco SMB WAP4410N. The wireless segment primarily consists of a few mobile devices and Chromecasts on the same/a single SSID. When enabling Wireless ...
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1answer
37 views

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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516 views

avahi-daemon needs restarting every to minutes

I'm trying to setting up mDNS between two Raspberries in my LAN. As written in many other question, I configured /etc/nsswitch.conf with mdns4_minimal, launched avahi-daemon on both the computers and ...
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192 views

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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1answer
30 views

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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340 views

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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Avahi service unable to be resolved using avahi-browse

On a Ubuntu 20.04 machine, I've created an Avahi service file that looks like this: <?xml version="1.0"?> <!DOCTYPE service-group SYSTEM "avahi-service.dtd"> <...
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1answer
424 views

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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1answer
1k views

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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1answer
380 views

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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1answer
123 views

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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152 views

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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1answer
65 views

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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134 views

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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2k views

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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1answer
290 views

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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1answer
177 views

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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1answer
198 views

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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983 views

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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1answer
1k views

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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1answer
2k views

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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2answers
1k views

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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1answer
698 views

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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1answer
895 views

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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1answer
686 views

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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1answer
1k views

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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2answers
45k views

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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1answer
2k 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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1answer
549 views

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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0answers
915 views

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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59 views

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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5k views

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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0answers
482 views

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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1answer
583 views

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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1answer
2k views

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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685 views

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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275 views

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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1answer
362 views

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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1answer
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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1answer
994 views

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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2answers
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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1answer
676 views

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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1answer
809 views

Unable to browse a service with dns-sd

I have cross compiled and install mdns responder on to my target machine which runs on Linux. I have tried to register a service with the following command: dns-sd -R "My Test" _printer._tcp. . 515 ...
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1answer
5k views

Installing mDNS resolver in Bash on Windows Subsystem for Linux

I am trying to connect to a PC over mDNS from a Bash script running on Windows. While I am able to ping the PC through its mDNS .local address in CMD, doing the same in an Ubuntu/Bash window fails due ...
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1answer
864 views

mDNS stops working when plugging access point in to outer network

UPDATED with some corrections and additional facts July 17, 2016. The Access Point is a Linksys E2500, not a Netgear as originally stated. I also tried to be more clear and explicit about what works. ...
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961 views

Bonjour seems to cause hostname to resolve to old IP

I have some devices on a network and an administration tool that relies on bonjour for device discovery. The devices are set to use DHCP. Example scenario as follows (let's assume really short DHCP ...
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1answer
408 views

DNS for home network with dnsmask: doesn't change IPs

I've got a home network: three hosts on OS X and printer. All the devices are wireless and connected into a network via Actiontech T1200H router which is also provides internet. One computer(MacPro) ...