Zeroconf vs. UPnP

Searching_ _ _ · Feb 17, 2010

I have heard a lot about how insecure UPnP is but not much about Zeroconf.

Which of these standards are better?

Do we need either?

What security issues are there in Zeroconf, if any?

To over-simplify a bit, DNS is designed to be centralized, in the sense that there are the Grand Root Servers that lord over all the lesser DNS servers scattered throughout the Internet.
Zeroconf relies on what is called Multicast DNS. Say you are at a party and you need to talk to a woman named Suzy. Unicast DNS is like asking the host of the party who she is; multicast DNS is like shouting "Is Suzy here?" to the whole room.
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http://www.oreillynet.com/pub/a/wireless/2002/12/20/zeroconf.html

Bonjour is included in Windows and tied into Internet Explorer.

Bonjour, formerly Rendezvous, is Apple Inc.'s trade name for its implementation of Zeroconf, a service discovery protocol.
...
Bonjour for Windows also adds Zeroconf capabilities to Internet Explorer, and provides a Zeroconf implementation to Java VMs.
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http://en.wikipedia.org/wiki/Bonjour_(software)

Rationale
Zeroconf is not installed by default for security reasons, we should have it installed but disabled and provide an easy way to turn it on.
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Kubuntu zeroconf

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Zeroconf vs. UPnP

Searching_ _ _ Registered Member

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Zeroconf vs. UPnP

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