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Date:      Sat, 28 Mar 2015 17:15:47 -0500
From:      "William A. Mahaffey III" <wam@hiwaay.net>
To:        freebsd-questions@freebsd.org
Subject:   Re: ipfw question
Message-ID:  <55172813.8050606@hiwaay.net>
In-Reply-To: <5517225A.5090702@hiwaay.net>
References:  <55122B21.60905@hiwaay.net> <55162284.6040806@hiwaay.net> <D4C3522A-97EE-4D35-9AF1-D122BC6D9165@gmail.com> <5516BB73.7010108@hiwaay.net> <26D37EC0-1C91-4009-A5C6-7B40CDE4099B@gmail.com> <5516BF68.9040806@hiwaay.net> <3782D86A-E280-4C01-B492-D1982D372808@gmail.com> <5516C210.6090806@hiwaay.net> <07C9255C-5CDA-4C96-A227-EB28FC836BF5@gmail.com> <5516C8CB.4050505@hiwaay.net> <mf7034$994$1@ger.gmane.org> <5517225A.5090702@hiwaay.net>

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On 03/28/15 16:51, William A. Mahaffey III wrote:
> On 03/28/15 14:40, Michael Powell wrote:
>> William A. Mahaffey III wrote:
>>
>> [snip]
>>>>> "The M1 Garand is without doubt the finest implement of war
>>>>> ever devised by man."
>>>>>                              -- Gen. George S. Patton Jr.
>> And, oddly enough after many, many years mine still works fine.
>>
>>>> Wireshark is pretty but requires X11. It also does a better job of 
>>>> making
>>>> the output understandable.
>>>>
>>>> tcpdump should be included in the base system and is text so works
>>>> without a GUI. You used to be able to take a tcpdump output file 
>>>> and feed
>>>> it to Wireshark for viewing.
>> [snip]
>>> Very well, I have wireshark already installed (this is a desktop box),
>>> I'll poke around & see what I find. Thanks :-).
>>>
>> tcpdump can save output in a file which Wireshark can import and 
>> read. Both
>> have filtering capabilities, so you can use tcpdump to capture 
>> everything
>> and use Wireshark to winnow out of the spew what you find 
>> interesting. Or,
>> if you already know pretty much which traffic you want to see it's often
>> easier and quicker (come time to view in Wireshark) to do some basic
>> filtering with tcpdump's myriad command line switches first. I do 
>> this on
>> interfaces of remote machines which are servers and have no X, 
>> copying the
>> file to the desktop with Wireshark. This can improve signal-to-noise 
>> ratio.
>> The same information is present, but Wireshark is just better 
>> presentation-
>> wise and can perform some analysis that tcpdump can not.
>>
>> -Mike
>>
>> _______________________________________________
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>>
>
>
> P.S.: After a few min. of running tcpdump, I notice traffic to & from 
> 'pperikov.static.corbina.ru.9001', nobody I know or recognize :-/ .... 
> Does this ring a bell w/ anyone ?
>
>

OK, relax Willie, it's something TOR-related (which I am running) .... 
Sorry for the noise :-/ ....

-- 

	William A. Mahaffey III

  ----------------------------------------------------------------------

	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.




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