Wireshark-bugs: [Wireshark-bugs] [Bug 6988] Syntax check of capture filter blocks GUI for long w

Date: Mon, 26 Mar 2012 13:52:06 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6988

--- Comment #4 from Guy Harris <guy@xxxxxxxxxxxx> 2012-03-26 13:52:05 PDT ---
(In reply to comment #3)
> Indeed, wireshark queries DNS when I am typing almost every letter.
> So, the delay depends on DNS response to non existing hosts and the suffix list
> it tries to attach to every query.
> 
> Setting of name resolution is not affecting it.

So, yes, it's a dup of 5356, in which I noted:

    Capture filters are checked by running them through libpcap/WinPcap's
pcap_compile(), which *always* does synchronous DNS resolution; the Wireshark
preference doesn't affect it.

"The Wireshark preference" in that case referred to a preference setting for
asynchronous DNS vs. synchronous DNS, but it also applies to the preference
setting for network-layer name resolution, which also has no effect.

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