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Questions tagged [mdns]

55 questions
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DHCP and mDNS magic - I want automatic $hostname.mydomain answers on my DNS server

I've seen the wonders of mDNS-based service discovery, but I haven't had much time to look more into it. I also there was references to it in DHCP config files or something. How can I use mDNS to have zones auto-fill themselves? Either by having…
niXar
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Is it possible to automatically import mDNS entries into a bind9 .local zone file?

It's nice to have a zeroconf setup with mDNS, but some of my machines (like docker containers) do not contain the avahi-daemon and by that they are not able to resolve .local hostnames. Now I could create manually a zone file for all my .local…
mgutt
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Bind9 .local stub zone

I have a Windows 2012R2 Windows AD domain "example.local" that I need to to setup a stub (preferable) or a conditional forwarder but my named fails to locate or resolve a remote ".local" domain. The masters are reachable and I can nslookup/dig to…
Dean Benson
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mDNS service is discovered but not reachable

I've some problems connecting to services on my raspberry pi. I desire the following: 1x Raspberry Pi running multiple services (like openhab, mosquitto, nagios, etc.). Each of these services is running in a separate docker container. To bring…
Peter C. Glade
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How do I resolve .local. DNS names on Debian 10?

I have a small local Ethernet network which I am using as a prototype for an industrial automation network. The network currently has 2 machines, both running Debian 10. There is no DNS server configured on the local network. Instead, the host name…
Martin
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Publishing CNAME to Avahi over DBUS requires long lived process

I am attempting to setup CNAMEs in Avahi in order to broadcast multiple hostnames. I've found a variety of examples online that all work but they all require long lived…
Stephen L
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Add sender to my exchange out of office mails which are sent via postfix with an empty sender

Out of office mails works internally but externaly the logs says : - it goes out of Exchange 2010 to go to Postfix (without any sender), - Postfix sends it out to the sender without any sender - the destinator bounces it back with the error "…
Philipili
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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. After ruling out a few potential root causes, I…
mythofechelon
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Centos 7 Avahi doesn't resolve from windows machines

I have installed and configured avahi-daemon and samba on Centos 6.6 and it's working when I am testing it from an Ubuntu machine. e.g.: ping myhostname.local or smb://myhostname.local However, when I try from a windows machine, neither samba works…
Sheric
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OSX: Excessive NXDOMAIN response for dns-sd queries

I'm primarily in a OSX environment and I'm seeing a large number of NXDOMAIN responses from our internal DNS servers. The queries that trigger these responses are what I believe to be mDNS/Bonjour style addresses that look like the…
jon
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W2k3 AD Server spewing to 224.0.0.251.mdns

I'm looking at a tcpdump of my network and seeing floods of mdns packets from my W2k3 AD Server. : 03:28:30.655189 IP mydomainserver.local.mdns > 224.0.0.251.mdns: 0*- [0q] 1/0/0 A 192.168.100.1 (40) Why is it doing this and how can I stop it?
Frank Brenner
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Ping and mDNS over WireGuard not working

When running through WireGuard VPN tunnel from outside the network, I can access machines inside directly via IP. For example, hitting IP of PiHole box in a browser returns the PiHole UI. I can also access the internet fine. When issuing a ping…
Overflowed
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Iptables: limit mdns packet per second per ip

I have a network with a lot of MDNS (UDP 5353) traffic on it. To avoid overloading my server, I limit globally the MDNS packets accepted by iptables with this rules: iptables -A INPUT -i eth2 -p udp --dport 5353 -m limit --limit 100/second -j…
cyanat
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Portable router doesn't forward broadcast MDNS IPv6 messages

I have a device (a motec ECU) that is connected throught a wired eth, which uses IPV6 with MDNS broadcast messages (ff02::fb) to get discoved in the network. If I connect a laptop directly to the ecu port it gets discovered just fine and right…
danipisca07
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Debian not resolving mdns query

Got 4 debian boxes, all suddenly not resolving mdns ip4 queries. On the contrary MacOS seems to resolve these queries just fine. I can do avahi-resolve --name hostname.local and get the result 'Timeout reached' Odly enough I can see in wireshark…
Alex
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