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I've requested that this question be deleted for the following reason:<br />
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Expert gave me suggestions.
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I've requested that this question be deleted for the following reason:

Expert gave me suggestions.

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Strange that you wanted to delete the question, you minimally have closed it by concluding if it helps and highlight your feedback to help share insights from the discussion and post. Pls consider the deletion request.
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Strange that you wanted to delete the question, you minimally have closed it by concluding if it helps and highlight your feedback to help share insights from the discussion and post. Pls consider the deletion request.

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Best practice, best procedure plan to upgrade Cisco SourceFire IDS devices on network.<br />
We area upgrading/replacing &nbsp;our older IDS models with newer ones.<br />
Would like to know best plan to migrate the new model onto the network and the old ones off.<br />
(e.g. swap out each device one-for-one, apply the old configuration onto the new one?)<br />
Is this a good/best practice?
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Best practice, best procedure plan to upgrade Cisco SourceFire IDS devices on network.
We area upgrading/replacing  our older IDS models with newer ones.
Would like to know best plan to migrate the new model onto the network and the old ones off.
(e.g. swap out each device one-for-one, apply the old configuration onto the new one?)
Is this a good/best practice?

Step by step plan for Cisco SourceFire IDS upgrade.

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.

Security

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.