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How Can I check Real-time traffic in OpenBSD 3.6?

Posted on 2006-11-29
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Last Modified: 2013-12-09
We are running OpenBSD 3.6 as firewall. How can I examine real-time traffic? Or any third-party application can display traffic shape? I need to know which user or workstation cause heavy traffic.

By the way, how can I check trattic logs?  Any third-party software can analyse logs ?

Thanks a lot!
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Question by:wilsonliu
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mr_egyptian earned 63 total points
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ntop may be sufficient, depending on your needs:

http://www.ntop.org/overview.html

There may be more robust solutions, depending on network size, hrdware, etc...
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by:mikygee
mikygee earned 62 total points
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I really liked iptraf under linux but it's not in the openbsd port collection.
I have installed trafshow instead.
There could also be  bwm-ng that I havn't tryed.

All of them are ncurses programs
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