Ethereal-users: Re: [ethereal-users] Hello

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From: Guy Harris <guy@xxxxxxxxxx>
Date: Tue, 11 Jul 2000 11:23:28 -0700 (PDT)
> The reason I test before I invoke Ethereal is
> because once you make a syntax error in specifying a filter w/ Ethereal,
> it will always report a syntax error thereafter until you kill and
> restart Ethereal. This bug existed through v8.9 and I don't know if its
> fixed in 8.10.

It's a bug in libpcap, not in Ethereal (and has affected applications
other than Ethereal), and it's not clear Ethereal can do anything to
work around it.

There's a fix checked into the CVS tree for libpcap, but

	1) the release in which it'll appear isn't out yet (for that
	   matter, the release *before* the one in which it'll appear
	   isn't out yet)

and

	2) the version currently in the tree causes a panic if you have
	   a really really really old version of Flex - which somebody
	   actually had, with what I hope is an old version of
	   Slackware (I've sent in a fix to that panic, although it's
	   probably not checked in yet).