Network sniffers: is open source right for you?
You can now properly secure and harden your systems and test your network for security vulnerabilities using proactive tools that help to keep your network healthy and secure. Now we will look at some tools that help you to act and react if you have a computer attack or security issue on your network in spite of all your preparations. Network sniffers fit into this category along with intrusion detection systems and wireless sniffers.
By Tony Howlett at InformIT.
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