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MathGroup Archive 2004

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Re: math kernel keeps trying to access an ip

  • To: mathgroup at
  • Subject: [mg48418] Re: [mg48417] math kernel keeps trying to access an ip
  • From: John Fultz <jfultz at>
  • Date: Fri, 28 May 2004 02:57:26 -0400 (EDT)
  • Reply-to: jfultz at
  • Sender: owner-wri-mathgroup at

On Fri, 28 May 2004 00:51:11 -0400 (EDT), sean kim wrote:
> I was wondering...
> kernel keeps trying to connect to an off site location with IP
> address,
> my zonealarm blocked it 63 times at one point!
> what is the deal with this? is this something Mathematica needs to do?
> am i
> supposed to allow this access?
> i don't know if anyone else have noticed that....
> sean

This address is very likely the domain name server for your machine.  We 
know about a problem where Mathematica is making unnecessary calls to the 
name server for name resolution of the local machine (the calls are 
unnecessary because the name resolution wasn't really necessary, and even 
if it were, it could have been cached).

Keeping Mathematica firewalled is perfectly safe, and shouldn't cause you 
any problems in using it.


John Fultz
jfultz at
User Interface Group
Wolfram Research, Inc.

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