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Questions tagged [mdns]

55 questions
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How to send unicast to IOS devices

We have a Python and also a NodeJS codes that send mDNS responses in a network. These mDNS responses are sent to specific IP addresses (NOT to the MDNS IP address - 224.0.0.251). For eg. if the IP address of my phone is 192.168.10.125, the server…
Avis
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mDNS (unknown device IP), Ningx, with restAPI backend url redirect without changing the url in the browser window

Setup Have a set of device(s) that will be placed on various networks with various IP designations. The device does backend stuff and provides 2 "services" to the user: a create react app user interface (at x.x.x.x:5000) for the novice user and a…
Biaspoint
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Scapy packets are not being recognized

I am manually sending MDNS response packets from the server using SCAPY to the mobile (Both in same network) when it looks for a chrome cast (The cast device is in another network). The packet is been sent to the 224.0.0.251 by the server, I have…
Avis
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Multicast resolution overrides hosts file on Windows 10

I have a Windows application that publishes itself with a DNS multicast record. Let's say myapp.local. When it is installed, it stores a record in hosts file under systemroot/drivers/etc folder. 127.0.0.1 myapp This configuration has worked for…
Tobia
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What's the meaning of UNICAST-RESPONSE bit set in mDNS response?

As per Wikipedia, the UNICAST-RESPONSE field is used to minimize unnecessary broadcasts on the network: if the bit is set, responders SHOULD send a directed-unicast response directly to the inquiring node rather than broadcasting the response to…
InvisibleWolf
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Avahi found IP changes after a few seconds

I use avahi to find machines on the local network. It's been acting up recently, causing a machine to hand out the wrong IP. I ssh'd into a different machine to debug the issue. Confirming the currently resolved IP is wrong: $ getent hosts…
charliehorse55
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Link-local IPv4 network scope on Windows

We have an embedded PC that initially starts off life with a link-local IPv4 address, typically 169.254.0.1. It broadcasts its existence using Zeroconf using the python-zeroconf library. These Zeroconf messages are happily received on the Mac, but…
iphaaw
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avahi-resolve resolves hostname that dig -p 5353 @224.0.0.251 does not?

I thought avahi-resolve and dig -p 5353 @224.0.0.251 did much the same thing. However, I have a device where I can resolve its name using avahi-resolve but not using dig: $ avahi-resolve --name ding-5cd80b3.local ding-5cd80b3.local 192.168.0.248 $…
George Hawkins
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how to get a connection between Windows and Linux without an existing DHCP server

Scenario: In general a ubuntu machine (called server) runs in a network and gets an IP from it. Due to testing, sometimes a windows machine (client) is physical connected to the ubuntu machine exclusively. (Because the server is mounted on a car…
wenzul
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How do I figure out the nameservers Avahi is using?

Avahi now runs in Ubuntu to serve as a nameserver on 127.0.1.1. How do I figure out which nameserver(s) Avahi auto-discovered to use?
Steve Maring
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