Re: [PLUG] Wireshark ate itself

brent timothy saner on 16 Jun 2009 13:12:11 -0700


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Re: [PLUG] Wireshark ate itself


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JP Vossen wrote:
>> Date: 2009年6月16日 14:21:09 -0400
>> From: jeff <jeffv@op.net>
>>
>> It ate all the memory and run the cpu to 100%. I finally managed to 
>> nice it, when the system complained that there was no more memory and 
>> closed Wireshark.
>>
>> I'm guessing the capture is gone from that session, correct?
> 
> I'm pretty sure.
> 
> Maybe use tcpdump instead of Wireshark to avoid the GUI tax? They both 
> use the same BPF (http://en.wikipedia.org/wiki/Berkeley_Packet_Filter) 
> language (see "expression" in the man page), which is (or at least was) 
> *different* than the WireShark display filter language!
> 
> You might need to experiment with tcpdump settings to get them right. 
> '-s 1600' and -w come to mind, see also -c, -C, -l, -n, and others. It 
> has an excellent and comprehensive man page.
DANG IT, jp, you beat me to it!
but i definitely recommend tcpdump, especially for *just* capturing (the
neat thing? you can "play back" tcpdump captures in wireshark since it's
pcap!)
other alternatives [1]:
ippl
sniffit
dnshijacker
[1] i have not tried these so i'm not sure if they're merely frontends
to tcpdump/libpcap, or if they're standalone, or what. there are a lot
of parsers out there for pcap captures, too.
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