Apple updates Bonjour

Apple has updated the Windows version of its Bonjour zero-configuration networking software.

The software, formerly known as Rendezvous, is a networking protocol that uses industry standard IP protocols to allow devices to automatically discover each other without the need to enter IP addresses or configure DNS servers.

The software includes a plugin to discover advertised HTTP servers using Internet Explorer – click the Bonjour icon in the Internet Explorer toolbar to enable Bonjour browsing – and Bonjour Printer Wizard, which allows Windows computers to print to Bonjour networked printers, including USB shared printers connected to Apple wireless hubs: AirPort Extreme and AirPort Express Base Stations. Apple notes that since it launched Bonjour in 2002, every major maker of network printers has adopted the technology.

Bonjour sends and receives network packets on UDP port 5353, which will need to be opened on any firewalls that are enabled. Certain firewalls will only partially block Bonjour packets, so if you experience intermittent behaviour, check the firewall settings and verify that Bonjour is listed as an exception and is allowed to receive incoming packets. Bonjour will configure the Windows firewall appropriately during installation on Windows XP Service Pack 2 and above.

Bonjour 1.0.3 requires Windows 2000/2003 or Windows XP and is a free download from

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