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As usual, lrmoore is right. &nbsp;<br />
<br />
One additional note though. &nbsp;Be careful when using hubs. &nbsp;Not all of them flood ALL data to all ports. &nbsp;Many of them now learn MAC addresses and send unicast data only to the appropriate ports (much like a switch). &nbsp;I ran across this problem a while back. &nbsp;I was using a 3Com hub and found I was only recieving broadcast traffic when sniffing. &nbsp;I spent a long time searching for a cheap, &quot;dumb&quot; hub to use to get the results I needed. &nbsp;<br />
<br />
Anyway, hope it helps. &nbsp;Good luck!!
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As usual, lrmoore is right.  

One additional note though.  Be careful when using hubs.  Not all of them flood ALL data to all ports.  Many of them now learn MAC addresses and send unicast data only to the appropriate ports (much like a switch).  I ran across this problem a while back.  I was using a 3Com hub and found I was only recieving broadcast traffic when sniffing.  I spent a long time searching for a cheap, "dumb" hub to use to get the results I needed.  

Anyway, hope it helps.  Good luck!!

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Can I use sniffer pro 2.5 to capture the traffic such as from my network to internet ? <br />
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for example ,if my corporate ip addresses is in the 202.183.1.0/24 net , then I want to capture anyone from 202.183.1.0/24 suppose to google ,this is because I want to know where the employee is going.<br />
<br />
I saw that I can only capture the traffic from only my network, such as from 202.183.1.0/24 net to only 202.183.1.0/24 net.Have any method I can set up ? 
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Can I use sniffer pro 2.5 to capture the traffic such as from my network to internet ? 

for example ,if my corporate ip addresses is in the 202.183.1.0/24 net , then I want to capture anyone from 202.183.1.0/24 suppose to google ,this is because I want to know where the employee is going.

I saw that I can only capture the traffic from only my network, such as from 202.183.1.0/24 net to only 202.183.1.0/24 net.Have any method I can set up ? 

sniffer pro 2.5

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.