Free Packet Sniffers

Free Packet Sniffers

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Subject Author Date
Free Packet Sniffers Edw. Peach 01-18-2006
Posted by Edw. Peach on January 18, 2006, 3:09 am
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I'd like to try a packet sniffer program and am looking for something
free and easy to use. I found two online: 1) Plastic Sniffer, 2) IP
Sniffer.

Any feedback or recommendations?

Posted by gilly on January 18, 2006, 4:51 am
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On Wed, 18 Jan 2006 03:09:53 -0500, Edw.Peach wrote:

> I'd like to try a packet sniffer program and am looking for something
> free and easy to use. I found two online: 1) Plastic Sniffer, 2) IP
> Sniffer.
>
> Any feedback or recommendations?


http://www.ethereal.com/

Posted by Maxime Ducharme on January 18, 2006, 11:44 am
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I also suggest Ethereal from http://www.ethereal.com/

tcpdump from http://www.tcpdump.org/ will alow to capture
data in a file for further analysis

Google is also your friend :
http://www.google.ca/search?hl=en&q=free+packet+capture+programs&meta=

Maxime Ducharme

> I'd like to try a packet sniffer program and am looking for something
> free and easy to use. I found two online: 1) Plastic Sniffer, 2) IP
> Sniffer.
>
> Any feedback or recommendations?



Posted by Todd H. on January 18, 2006, 11:54 am
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> I also suggest Ethereal from http://www.ethereal.com/
>
> tcpdump from http://www.tcpdump.org/ will alow to capture
> data in a file for further analysis

These are really the last word in free packet sniffing. Ethereal is
the stuff.

--
Todd H.
http://www.toddh.net/

Posted by Winged on January 18, 2006, 8:17 pm
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Todd H. wrote:
>
>>I also suggest Ethereal from http://www.ethereal.com/
>>
>>tcpdump from http://www.tcpdump.org/ will alow to capture
>>data in a file for further analysis
>
>
> These are really the last word in free packet sniffing. Ethereal is
> the stuff.
>
While I use ethereal, it is a valid product, there are several exploits
against ethereal and several viruses which can elude ethereal detection
IF it is loaded on an infected machine. I recommend using it on a
separate device from the machine being monitored even though it can work
fairly well monitoring on the local machine. When running in the
local machine to monitor local machine activity, streaming media can be
problematic with low end (slow) devices.

But ethereal is almost as good as having a dedicated sniffer device. We
have used the box with taps in closets for several years, it has been
fairly reliable giving us what we need.

I prefer the nix versions but it is a good and stable product in nix and
winx environs. Concur with tcpdump suggested above as essential to the
configuration.

Winged

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