How to see what network pc's visited what webites


I use Opendns to block sites and see what sites are visited. does anybody know what free software or how to monitor my network and see what  pc's visited what site. I am seeing with Opendns that theres computers try to visit adult sited and Opendns blocks the sited but I want to see which pc'c do it.

thank you in advance

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Check out Astaro as a content filter. It works great for stopping this kind of behavior.  They have a free home version if this is for your house.

For immediate purposes, check the history on the browsers.

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Hi their, here is a program that can do all the thing that you require.

select the activity monitor version
A quick and easy way is to mirror your firewall's port to a PC running wireshark and then just go into statistics/conversations to see a list of all communications to the outside.
LENEROAuthor Commented:
thank you all for your help. my boss has ask me to find a software they would monitor where employee go and how long they stay.

does anybody have any recommendation
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