Ethereal-users: Re: [Ethereal-users] Ethereal Version 0.9.13a

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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Thu, 17 Jul 2003 14:00:00 -0700

On Thursday, July 17, 2003, at 7:17 AM, Charles Elliott wrote:


	Thank you for the latest version of Ethereal.  Version 0.9.13a will no
longer resolve IP addresses displayed to names for machines on the LAN,
though it does for computers on the Internet. I believe that this used to 
work.
Yes - I think 0.9.13a uses GNU ADNS to resolve names, and that uses *only* DNS, not NetBIOS-over-TCP name lookup, so if there aren't DNS entries for the machines on the LAN, you're out of luck.
(Gerald, could this be made a run-time option if ADNS support is compiled in, so you get a choice between
1) "gethostbyaddr()", which will use mechanisms other than DNS, but which might take a *LONG* time to resolve names in some cases 

and
2) GNU ADNS, which I think avoids some of the long-time lookup problems but which can't resolve any IP address that's not in DNS?)