Questions tagged [zeroconf]
Zero configuration networking (zeroconf) is a set of techniques that automatically creates a usable Internet Protocol (IP) network without manual operator intervention or special configuration servers.
zeroconf
195
questions
0
votes
0
answers
22
views
zeroconf with asyncio.TaskGroup
I am creating an app using python zeroconf, asyncio.TaskGroup and aoimqtt.
I get the following error:
Exception caught: Task <Task pending name='Task-102' coro=<ServiceInfo.async_request() ...
- 41
1
vote
0
answers
57
views
React Native Zeroconf issue with resolving IP address on iOS 17+
I'm facing this issue where the MDNS cannot resolve the IP address when finding the service on a network, this is happening with iOS devices 17+, while with iOS 15 it works ok. I don't have iOS 16 to ...
- 11
0
votes
0
answers
102
views
Lookup name from IPv4 address in python zeroconf
I am scanning my local network, and trying to resolve IP addresses to hostnames where possible. For those on the DNS server, that is easy, just reverse lookup / PTR record.
For those hosts not on DNS, ...
- 323
0
votes
0
answers
310
views
How to use python zeroconf in an asyncio application?
Here's a minimal reproducible example demonstrating the problem:
import asyncio
from zeroconf import Zeroconf, ServiceStateChange
from zeroconf.asyncio import AsyncServiceBrowser
def ...
- 7,679
4
votes
0
answers
158
views
.local. in python-zeroconf type
I'm trying to use python-zeroconf to find a local service. I know it is there - if I use the mDNS discovery app, the service is found almost instantly. However, while using the python-zeroconf example,...
- 63
0
votes
1
answer
2k
views
Windows 11 not resolving .local addresses using mDNS
I am broadcasting a new mqtt-service via mDNS. My Flutter app is notified that a new service was registered but I am problems with the name-resolution of the address called MyMqttService.mqtt.local
...
- 628
0
votes
0
answers
92
views
Share data between 2 apps without internet using React Native
I want to share data between apps offline. It is a few kb of JSON data. I tried using react-native-bonjour to transfer data. But In the library, I don`t see methods to send the data. I see only the ...
0
votes
1
answer
375
views
Why does running avahi-browse within a docker container returns (NULL) network interfaces?
I'm attempting mDNS discovery from within a Docker container and running it using
sudo docker run --privileged -v /var/run/dbus:/var/run/dbus -v /var/run/avahi-daemon/socket:/var/run/avahi-daemon/...
- 355
2
votes
1
answer
251
views
service discovery in tcl
I'm writing a little Tcl/Tk script, that uses a (custom) web-application (written in Python) to retrieve information from some central storage.
Everything works nicely, but only as long as the address ...
- 30.6k
0
votes
0
answers
193
views
iOS / HTTP Server communication, device to device
In the past few days, I've been reading a lot of articles and Stackoverflow questions.
We are looking to transfer data between a Windows IOT PC and an iPad. We would like a HTTP Server, without using ...
- 634
1
vote
0
answers
453
views
Unable to discover Chromecasts from docker container
I have the following script in python (using pychromecast):
#> cat chromecasts.py
import pychromecast
print(pychromecast.get_chromecasts())
When I run it locally, it works fine and discovers my ...
0
votes
1
answer
314
views
mDNS on react-native Request failed with status code 500
I am currently working on an IoT project which requires service discovery (I am in the Android side). I decided to use react-native-zeroconf and I encountered a problem.
There is a warning Error: ...
- 940
0
votes
0
answers
135
views
Self signed certificate with iOS in LAN
my first question here :)
SITUATION:
I have iOS app connected in local network to my raspberry server.
Local network is NOT connected to internet.
I use zeroconf/bonjour to find server (I dont know ...
- 1
1
vote
0
answers
457
views
Get scope id/network interface of NsdServiceInfo of a link-local IPv6 service
I want to connect to a link-local IPv6 service represented by an NsdServiceInfo. The service is announced in the LAN via zeroconf. Therefore I need the scope ID in addition to the IP (i.e. to create &...
- 61
0
votes
0
answers
250
views
Removing duplicates from the services resolved by avahi-client
I want to use the C avahi library to create a dialog box in gtk that can list all the services in DNS-SD network. I am able to list all the services in a dialog box but I want to clean this list of ...
- 15
1
vote
1
answer
312
views
Can Linux mDNS client be "pure" client?
I found some famous mDNS clients, such as nss-mdns, Avahi-browse, are dependent on avahi-daemon. However, if we start avahi-daemon, the client machine also publish its mDNS domain name and become a ...
- 1,175
1
vote
0
answers
108
views
Is there any reliable way to discover microcontroler in LAN in iOS / Android / Windows / Linux / macOS?
I am trying to expose ESP8266 to be available both when working as access point and while connected to the wireless local network (use case would be: is user leaves home with the device - it starts ...
- 339
2
votes
0
answers
3k
views
Change domain "local" in avahi and and use a hostname with multiple labels
I need to publish multiple addresses for the same IP (eg: address1.local, address2.local)
Did it creating a service /etc/systemd/system/[email protected] with the following:
[Unit]
Description=...
- 165
0
votes
1
answer
1k
views
Windows dns-sd (Bonjour/ZeroConf) did not discover iPhone service via USB
I have a Bonjour _http._tcp. service published on iPhone. With the iPhone Wifi Off; running the following dns-sd command on MacBook's terminal:
dns-sd -B _services._dns-sd._udp
then connect the iPhone ...
- 29
1
vote
1
answer
916
views
How to send data using Python-Zeroconf
I saw a tutorial on Python-Zeroconf.
The tutorial showed how to create a Python-Zeroconf listener so I know how to receive data.
This is below.
from zeroconf import ServiceBrowser, Zeroconf
class ...
- 663
-1
votes
1
answer
490
views
Sending web requests to IoT device both on Wifi and on mobile data
I have a Xamarin application that requires to connect to a device from the LAN side and also the WAN side. The device (an ESP8266) is connected via WiFi to an internal network and can be accessed from ...
- 433
0
votes
1
answer
208
views
Industrial-Standard UDP Broadcast on Windows?
I would like to use the UDP boardcast to tell the lan devices here is a XX-device. It is the same scenarios as the mDNS/Zeroconf for the printer.
However, as my know, Windows supporting with ...
- 300
0
votes
0
answers
986
views
How to send socket data from Android device to pc connected via Android's Hotspot (AP)
Related question with no answers Using DatagramSocket and python socket with devices connected to hotspot
My goal to implement something like syncthing so I can transfer files across my devices on a ...
- 4,349
11
votes
3
answers
4k
views
NSdManager ResolveListener Error Code 3: Failure Already active
I'm using NsdManager in an Android App to discover NSD services published by another device also developed by me. I only do service discovery on Android App (no service registration needed on this ...
- 505
1
vote
1
answer
538
views
TypeError: null is not an object for Zeroconf
I'm developing React Native for Android, and am using Zeroconf. For the past 2 days, I have been trying to move to Expo SDK 34, and have worked through most of the issues. However, I have run into the ...
- 145
1
vote
0
answers
125
views
Why does 'DNSServiceRegisterRecord' not return reference, if there are many ip addresses on the adapter?
I am registering about 80 ip addresses on my router, creating udp sockets, and want to do Bonjour registration for each ip. But the registrations are extremely slow, or failing in presence of so many ...
- 11
1
vote
1
answer
946
views
Find MQTT Broker in LAN with nodemcu lua zeroconf
I want to discover my Mosquitto MQTT Broker using my ESP with LUA on my LAN. My ESP8266 is on the same network.
I'm running
NodeMCU custom build by frightanic.com
branch: master
commit: ...
- 547
0
votes
0
answers
53
views
No Service Workers with Avahi/Zeroconf (machineName.local)
When testing for service worker capability in the browser:
(in index.html)
if ('serviceWorker' in navigator) {
console.log('serviceWorker OK');
} else {
console.log('serviceWorker NOT OK');
}...
- 8,279
0
votes
0
answers
865
views
How to create DNS-SD custom hostname in centos linux so that we can dicover it by zeroconf resolver in dotnetcore
I need to get ipaddress by hostname for zeroconf devices. Its working perfectly in windows but in linux it gives below error
Here is the Windows code, but it does not work Linux with avahi
ILookup&...
- 21
8
votes
1
answer
18k
views
How to install the dns-sd command line test tool on Windows or Linux?
The book Zero Configuration Networking - The Definite Guide by Stuart Cheshire and Daniel H. Steinberg from 2005 describes a dns-sd command line test tool which should be available for macOS, Windows ...
- 768
0
votes
1
answer
817
views
Ionic Native: ZeroConf not working on IOS
So I made the App with a Android Device in the development Process and everything worked fine like it should. Then I tried building it for IOS and nothing worked I just got a white screen. So I made a ...
- 1
2
votes
2
answers
3k
views
Zeroconf discovery from docker-compose container to LAN host
For an IoT system there is the requirement that base stations automatically discover nearby devices, and then connect to them. The software on the base stations is deployed using docker-compose.
...
- 133
3
votes
0
answers
828
views
Android Network Service Discovery get hostname (mDNS/Zeroconf)
I am trying to get the hostname from a service that is advertising itself on my local network using mDNS/Zeroconf. I am using Android's Network Service Discovery API, but it seems as if Android doesn'...
- 2,551
2
votes
0
answers
476
views
How to use NsdManager to detect an emulated device on a private network?
I'm currently working on a mobile app that discover's and resolve's a device on a private network. The app currently works perfect and will allow me to connect a socket to this device.
Now I'm ...
- 3,563
4
votes
2
answers
4k
views
python zeroconf show IPv4 addresses
I'm trying to figure out how to scan the network for devices which are published by avahi.
#!/usr/bin/python3
from zeroconf import ServiceBrowser, Zeroconf
from time import sleep
class MyListener:
...
1
vote
0
answers
84
views
Bonjour Host Discovery for REST Web Services
Up to now I have never worked with bonjour. I think it is an interesting approach for using it to discover hosts which run rest services (e.g. by defining a predefined URL for devices providing a ...
- 1,337
1
vote
0
answers
224
views
gethostbyname works in bonjour, but not in avahi
I am finishing up the process of switching from bonjour to avahi in my embedded Linux 3.14. All is working fine,except from the issue of gethostbyname().
Mdns advertised devices are resolved by ...
- 11
0
votes
1
answer
2k
views
Detecting MDNS/Zeroconf device works on Android 5.1.1 but not on Android 7
I am detecting a device on a private network with no internet access. The only devices on the network are the device I'm detecting and the mobile devices or PC's that have app I am currently working ...
- 3,563
2
votes
0
answers
128
views
NAT Possible with Zero Configuration Networking
Is it possible in windows which has static ip set in his system can take ip from 169.254.0.0/16 pool and set its gateway as 169.254.1.1 automatically from linux server.
So that each request can be ...
- 149
3
votes
1
answer
2k
views
Android NsdManager not able to discover services
I'm running into a problem with Androids NsdManager when following their tutorial Using Network Service Discovery.
I have a few zeroconf/bonjour hardware devices on my network. From my mac I can ...
- 4,080
3
votes
2
answers
2k
views
Google Chrome's "secure context" on a LAN?
Chromium doesn't allow a website to access a user's camera unless the page is hosted in a "secure context". Usually that means a web server that has a valid TLS (HTTP) certificate, but there's also an ...
- 18.7k
5
votes
1
answer
3k
views
Network Service Discovery (mDNS) on react-native/Expo
I have an IOT device ruining a mDNS responder, is there a way to find the device through a react-native/Expo app?
I have found a react-native library (react-native-zeroconf). However, it requires ...
2
votes
1
answer
2k
views
How to make Windows' Bonjour resolve foo.bar.local subdomains created by Avahi
Why can't Windows' Bonjour (the Apple one) automatically resolve foo.bar.local, when Ubuntu and macOS can?
foo.local instead is resolved without issues by every OS.
Here's my avahi-daemon.conf:
[...
- 21
1
vote
0
answers
192
views
Mono WCF Discovery / Mono Zeroconf
I am trying to implement a discovery feature in Mono.
The goal is a service running a .NET application with Mono on a Raspberry Pi 3 with Raspbian. This application should support a discovery ...
- 97
2
votes
2
answers
3k
views
OSError 105 : No buffer Space - Zeroconf
I'm using a NanoPi M1 (Allwinner H3 board) & running a Yocto-based OS. On my first encounter with ZeroConf-python,
>>> from zeroconf import Zeroconf, ServiceBrowser
>>> zero = ...
- 181
1
vote
0
answers
128
views
Discover python service in go
I currently have a http server implemented in python using flask. The service is registered using the zeroconf module:
info = ServiceInfo('_http._tcp.local.',
'MyServer._http._tcp....
- 1,422
0
votes
1
answer
3k
views
Bonjour: Search for a service by name
I have an application that needs to search and resolve a Bonjour-advertised service whose name is known in advance. Most Bonjour examples I have found related to service discovery are structured more ...
- 22k
2
votes
1
answer
461
views
JmDNS service not found in ZeroConf browser
I'm developing a web app in Java (with Spark) and I want it to use JmDNS to be able to find this server in my Android app. I was following steps from JmDNS page with service registration, and my code ...
- 743
0
votes
0
answers
1k
views
Minimum code for mDNS browsing
I'm developing a Sublime Text plugin to work with IoT devices. Some of that hardwares have the option to upload the code by OTA (over the air) and I need to be able to discover the device by mDNS.
I'...
- 198
2
votes
1
answer
458
views
Android JmDNS how to remove service
im currently writing an android app, which should keep track of other devices in the same wifi network using JmDNS.
The discovery process works correctly, but i don't know how to keep track of other ...
- 41