What is bonjour in mac os

Intro to Bonjour in Apple devices

Bonjour is Apple’s standards-based network technology designed to help devices and services discover each other on the same network. For example, iPhone and iPad devices use Bonjour to discover AirPrint-compatible printers and iPhone and iPad devices and Mac computers use Bonjour to discover AirPlay-compatible devices such as Apple TV . Some apps also use Bonjour for peer-to-peer collaboration and sharing.

Bonjour works by using multicast traffic to advertise the availability of services. Because multicast traffic is usually not routed across subnets, it requires Apple TV devices and AirPrint printers to be on the same IP subnet as the iPhone and iPad devices and Mac computers that use them. For small networks, this approach is the norm.

Although Bonjour is most commonly used to discover services and devices on smaller networks, it can also be configured for use on larger networks by using a Bonjour gateway or similar technology. Networks using such features for AirPlay should be configured to advertise both _airplay._tcp and _raop._tcp services. And even though it’s possible to use advanced DNS configurations for advertising some Bonjour services on enterprise networks, AirPlay requires live device discovery using the methods described in AirPlay discovery.

macOS and Bonjour for Windows clients can also use the conventional unicast Domain Name System (DNS) to discover services being advertised in any accessible domain anywhere in the world. Using DNS to discover services outside your local network is known as Wide-Area Bonjour.

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Intro to Bonjour in Apple devices

Bonjour is Apple’s standards-based network technology designed to help devices and services discover each other on the same network. For example, iPhone and iPad devices use Bonjour to discover AirPrint-compatible printers and iPhone and iPad devices and Mac computers use Bonjour to discover AirPlay-compatible devices such as Apple TV . Some apps also use Bonjour for peer-to-peer collaboration and sharing.

Bonjour works by using multicast traffic to advertise the availability of services. Because multicast traffic is usually not routed across subnets, it requires Apple TV devices and AirPrint printers to be on the same IP subnet as the iPhone and iPad devices and Mac computers that use them. For small networks, this approach is the norm.

Although Bonjour is most commonly used to discover services and devices on smaller networks, it can also be configured for use on larger networks by using a Bonjour gateway or similar technology. Networks using such features for AirPlay should be configured to advertise both _airplay._tcp and _raop._tcp services. And even though it’s possible to use advanced DNS configurations for advertising some Bonjour services on enterprise networks, AirPlay requires live device discovery using the methods described in AirPlay discovery.

macOS and Bonjour for Windows clients can also use the conventional unicast Domain Name System (DNS) to discover services being advertised in any accessible domain anywhere in the world. Using DNS to discover services outside your local network is known as Wide-Area Bonjour.

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Bonjour Network Configuration Services

If you use Apple devices, odds are that you’ve used Bonjour

Bonjour is a zero-configuration networking method developed by Apple. The technology makes it possible for computers, mobile devices, and printers to find and connect to one another automatically using a communication protocol. Bonjour saves time and simplifies tasks such as file sharing and setting up network printers. The technology is based on Internet Protocol (IP), so it works with wired and wireless networks.

Information in this article applies to Macs running macOS Catalina (10.15) through OS X Lion (10.7), iPhones, iPads, Apple TVs, and Windows 7 through Windows 10. Bonjour technology is also installed in many printers.

Bonjour is not an independent application. It’s a collection of networking technologies that is used by apps, computer operating systems, iOS mobile devices, and other products. It functions behind the scenes and is enabled on all Macs by default. For example, iTunes uses Bonjour to locate other computers that are running iTunes on your network to manage shared media libraries.

Capabilities of Bonjour

Bonjour technology manages network shared resources as types of services. It automatically discovers and keeps track of the locations of these resources on a network as they come online, go offline, or change IP addresses. It provides this information to network applications to give users access to the resources.

As an implementation of zero-configuration networking (zeroconf), Bonjour supports three key discovery technologies:

• Address assignment: Bonjour uses a link-local addressing scheme to automatically assign IP addresses to local clients without the need for Dynamic Host Configuration Protocol (DHCP). It works with IPv6 and legacy IP (IPv4) addressing schemes. On IPv4, Bonjour uses the 169.254.0.0 private network; it uses the default link-local addressing support in IPv6.
• Name resolution: Name resolution in Bonjour works via a combination of local hostname configuration and multicast DNS (mDNS). While the public internet Domain Name System (DNS) relies on external DNS servers, multicast DNS works within a local network and enables any Bonjour device on the network to receive and respond to queries.
• Location services: To provide location services to applications, Bonjour adds a layer of abstraction on top of mDNS to maintain browsable tables of Bonjour-enabled applications that are organized by service name.

Apple took special care with the implementation of Bonjour to ensure its network traffic did not consume an excessive amount of network bandwidth. In particular, the mDNS includes caching support that remembers recently requested resource information.

Bonjour Computer Support for Apple Products

The operating system and many apps on Mac desktop and laptop computers depend on Bonjour, which is installed and enabled by default on these devices. Bonjour also comes with Apple’s iOS and iPadOS operating systems for its mobile devices and is part of every iPad, iPhone, iPod touch, and Apple TV.

Apple computers running versions of Mac OS X and macOS support Bonjour. It is embedded in network applications such as the Safari web browser, Music or iTunes, and iPhoto.

Macs require Bonjour to function properly. It should not be removed or disabled.

Bonjour Computer Support for PCs

Apple provides a Bonjour version for Microsoft Windows PCs as a free software download available for Windows 10, 8, and 7. It is included with iTunes software if you use it on your PC. It is particularly useful in a home where both Macs and PCs use the same printer and other devices.

Unlike Macs, Windows PCs do not require Bonjour to function correctly, although any app that installs it for its own use (like iTunes) may not work well without it. It is safe to remove Bonjour from PCs. You’ll find it under Programs and Features in the Control Panel.

Businesses that run Windows PCs but not Macs (or software that requires Bonjour) don’t need to install Bonjour. If PCs and Macs are on the same network, Bonjour is a helpful Windows installation.

How Applications Work With Bonjour

Usually, applications use Bonjour services through standard TCP/IP calls.

Several Bonjour Browser Creative Commons-licensed applications have been developed. The software for desktop and laptop computers, phone and tablet apps allow network administrators and hobbyists to browse information about Bonjour services that advertise themselves on active networks.

Bonjour technology offers a set of Application Programming Interfaces (APIs) for both macOS and iOS applications. Apple Developers can access additional information at Bonjour for Developers.

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Question: Q: where is bonjour?

Since upgrading to Safari version 6, I can no longer find the link to bonjour to access wireless devices. Before 6, If I had an iphone app that I wanted to get a file from, I could click the bookmark icon and there would be an item «bonjour.» Now its gone, and if I search for the term bonjour in help menu, there are no results.

Has this been moved?

27″ iMac 3.06GHz w/ ATI 4850, Mac OS X (10.6.2), Aluminum MacBook

Posted on Jul 30, 2012 9:42 AM

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The preferences for including Bonjour are in the Safari Preferences pull down menu > Bookmarks. Add whatever you like there.

Jul 30, 2012 10:36 AM

Is this out-of-date information? There is no pulldown menu “Bookmarks” in the prefernces for Safari. There are only tabs, lebeled Gnereal, Tabs, Passwords, Security, Privacy, &c. So Boujour seems to have gone missing. Is this another Mavericks problem? I hope that I am wrong. If so, could you please give more specific information.

Jan 10, 2014 5:40 PM

In Safari 7.0.1 check the Settings / “Advanced” tab, there are two options for Bonjour.

Jan 11, 2014 9:01 AM

Okay. so where is BonJour, Setting, «Advanced» tab.

This is what I got from WD for instructions to connect a WD drive/cloud:

To launch the web interface:

1. Launch Safari.
2. In the Safari toolbar, click the bookmark icon (tooltip: Show all bookmarks).
3. In the left pane, click Bonjour.
4. In the right pane, click your My Book Live.
   The My Book Live web interface displays.

Feb 27, 2015 4:15 PM

For Safari 8 go to Safari > Preferences click on the Advanced Tab. Here it gives the option to add Bonjour to the Bookmarks Menu and favourites Bar.

Mar 23, 2015 3:48 AM

I am trying to get my WD my cloud to play my movies to my tv. (I moved and got new my cloud and had everything loaded to it). We played them through my ex-huband’s mac and my cloud. Cannot get mine to do it.

I clicked the boxes to add bonjour to favorites and menu bar. It is still not there. I have most current Safari version on my macbook air. Version 9.0.1

Bonjour is not showing up under fave or book mark after i clicked boxes to add it.

Nov 22, 2015 3:18 PM

Did you ever figure this out? I am at the same place as you. I found the check boxes to add Bonjour but it’s still not showing up anywhere.

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Bonjour Network Configuration Services

If you use Apple devices, odds are that you’ve used Bonjour

Bonjour is a zero-configuration networking method developed by Apple. The technology makes it possible for computers, mobile devices, and printers to find and connect to one another automatically using a communication protocol. Bonjour saves time and simplifies tasks such as file sharing and setting up network printers. The technology is based on Internet Protocol (IP), so it works with wired and wireless networks.

Information in this article applies to Macs running macOS Catalina (10.15) through OS X Lion (10.7), iPhones, iPads, Apple TVs, and Windows 7 through Windows 10. Bonjour technology is also installed in many printers.

Bonjour is not an independent application. It’s a collection of networking technologies that is used by apps, computer operating systems, iOS mobile devices, and other products. It functions behind the scenes and is enabled on all Macs by default. For example, iTunes uses Bonjour to locate other computers that are running iTunes on your network to manage shared media libraries.

Capabilities of Bonjour

Bonjour technology manages network shared resources as types of services. It automatically discovers and keeps track of the locations of these resources on a network as they come online, go offline, or change IP addresses. It provides this information to network applications to give users access to the resources.

As an implementation of zero-configuration networking (zeroconf), Bonjour supports three key discovery technologies:

• Address assignment: Bonjour uses a link-local addressing scheme to automatically assign IP addresses to local clients without the need for Dynamic Host Configuration Protocol (DHCP). It works with IPv6 and legacy IP (IPv4) addressing schemes. On IPv4, Bonjour uses the 169.254.0.0 private network; it uses the default link-local addressing support in IPv6.
• Name resolution: Name resolution in Bonjour works via a combination of local hostname configuration and multicast DNS (mDNS). While the public internet Domain Name System (DNS) relies on external DNS servers, multicast DNS works within a local network and enables any Bonjour device on the network to receive and respond to queries.
• Location services: To provide location services to applications, Bonjour adds a layer of abstraction on top of mDNS to maintain browsable tables of Bonjour-enabled applications that are organized by service name.

Apple took special care with the implementation of Bonjour to ensure its network traffic did not consume an excessive amount of network bandwidth. In particular, the mDNS includes caching support that remembers recently requested resource information.

Bonjour Computer Support for Apple Products

The operating system and many apps on Mac desktop and laptop computers depend on Bonjour, which is installed and enabled by default on these devices. Bonjour also comes with Apple’s iOS and iPadOS operating systems for its mobile devices and is part of every iPad, iPhone, iPod touch, and Apple TV.

Apple computers running versions of Mac OS X and macOS support Bonjour. It is embedded in network applications such as the Safari web browser, Music or iTunes, and iPhoto.

Macs require Bonjour to function properly. It should not be removed or disabled.

Bonjour Computer Support for PCs

Apple provides a Bonjour version for Microsoft Windows PCs as a free software download available for Windows 10, 8, and 7. It is included with iTunes software if you use it on your PC. It is particularly useful in a home where both Macs and PCs use the same printer and other devices.

Unlike Macs, Windows PCs do not require Bonjour to function correctly, although any app that installs it for its own use (like iTunes) may not work well without it. It is safe to remove Bonjour from PCs. You’ll find it under Programs and Features in the Control Panel.

Businesses that run Windows PCs but not Macs (or software that requires Bonjour) don’t need to install Bonjour. If PCs and Macs are on the same network, Bonjour is a helpful Windows installation.

How Applications Work With Bonjour

Usually, applications use Bonjour services through standard TCP/IP calls.

Several Bonjour Browser Creative Commons-licensed applications have been developed. The software for desktop and laptop computers, phone and tablet apps allow network administrators and hobbyists to browse information about Bonjour services that advertise themselves on active networks.

Bonjour technology offers a set of Application Programming Interfaces (APIs) for both macOS and iOS applications. Apple Developers can access additional information at Bonjour for Developers.

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