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RE: [Fed-Talk] OS X chatting with DNS server via port 5353



If I remember correctly - when dealing with a similar problem I ended up
having to disable the mDNSresponder daemon to get it to stop chattering.
That will nuke all Bonjour/Rendesvous/Zeroconf connectivity though. I
really don't understand why there isn't an option to turn this traffic
off via the GUI. 

-----Original Message-----
From: fed-talk-bounces+lee.fairbanks.ctr=email@hidden
[mailto:fed-talk-bounces+lee.fairbanks.ctr=email@hidden] On
Behalf Of Timothy J. Miller
Sent: Thursday, March 15, 2007 4:01 PM
To: Michael
Cc: email@hidden
Subject: Re: [Fed-Talk] OS X chatting with DNS server via port 5353

Michael wrote:

> Yes, I use another program but this issue I'm looking at is not
straight 
> Bonjour, it's using port 5353 to send something to the DNS servers not

> broadcast addresses.

Send me a pcap (be sure to set the snaplen to 1500 bytes) and I'll be 
happy to take a look at it.

> The services advertised only account for about half of the traffic, if
I 
> have iTunes configured with sharing off why should it be broadcasting 
> Bonjour traffic, it does not have any services it's advertising and
it's 
> not looking for any advertised services.

Bonjour broadcasts on a backoff & retry schedule in order to query 
neighbors about new services.  When a Bonjour-enabled service comes 
online it similarly broadcasts its presence.  Both are done because the 
transport is not reliable.

-- Tim
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References: 
 >[Fed-Talk] OS X chatting with DNS server via port 5353 (From: Michael <email@hidden>)
 >Re: [Fed-Talk] OS X chatting with DNS server via port 5353 (From: Neal Emerald <email@hidden>)
 >Re: [Fed-Talk] OS X chatting with DNS server via port 5353 (From: Michael <email@hidden>)
 >Re: [Fed-Talk] OS X chatting with DNS server via port 5353 (From: Todd Heberlein <email@hidden>)
 >Re: [Fed-Talk] OS X chatting with DNS server via port 5353 (From: Michael <email@hidden>)
 >Re: [Fed-Talk] OS X chatting with DNS server via port 5353 (From: "Timothy J. Miller" <email@hidden>)
 >Re: [Fed-Talk] OS X chatting with DNS server via port 5353 (From: Michael <email@hidden>)
 >Re: [Fed-Talk] OS X chatting with DNS server via port 5353 (From: "Timothy J. Miller" <email@hidden>)



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