Ethereal-users: RE: [Ethereal-users] display filter problem...

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From: "Andreas Sikkema" <andreas.sikkema@xxxxxxxx>
Date: Fri, 20 Jan 2006 10:08:41 +0100
> There are at least a couple of possibilities here:
> 
> 	1) don't check the filter's validity after every change 
> to the filter 
> field - just do it if N seconds have passed since the last 
> change to the 
> filter field, for some presumably-low value of N;
> 
> 	2) disable name-to-address resolution when compiling 
> the filter to test 
> whether it's valid - just "resolve" everything to 127.0.0.1 
> or something 
> such as that.
> 
> 1) still leaves the possibility of a delay, but does support checking 
> the validity of items being compared against IP addresses.  
> 2) won't get 
> delayed, but won't fully check the validity of the expression.

In theory, the the DNS name could not be available at the time 
when the filter is composed, but could be available at the time 
the filter is used....

-- 
Andreas Sikkema                       BBned NV
Software Engineer                Planeetbaan 4
+31 (0)23 7074342            2132 HZ Hoofddorp