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IPsec is further transparent to end-users. This, therefore, eliminates the need to train users on security mechanisms, issue keying material .....
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IPSec or Internet Protocol Security: USE and BENEFITS of IPSec
What is IPsec or Internet Protocol Security?
Internet Protocol Security or IP Security protocol: It defines the architecture for security services for IP network traffic. IPsec is a group of protocols that are used together to set up encrypted connections between devices. It helps keep data sent over public networks securely. IPsec is often used to set up VPNs, and it works by encrypting IP packets, along with authenticating the source where the packets come from. Within the term "IPsec," "IP" stands for "Internet Protocol" and "sec" for "secure." The Internet Protocol is the main routing protocol used on the Internet; it designates where data will go using IP addresses. IPsec is secure because it adds encryption* and authentication to this process.
Benefit of IPsec
It provides strong protection when IPSAC is applied to a firewall or router. This applies to all traffic beyond this perimeter. Do not spend overhead on traffic safety-related processing within any organization or workgroup. The location of Internet Protocol Security is below the transport level and, therefore, transparent for applications. If IPSC is applied to a firewall or router, there is no need to change the software on any user or server system.
IPSK is applied to the last system but does not affect top-level software including applications. IPSC is more transparent to end-users. This, in turn, eliminates the need to train users in security systems, provide key-generating components on a per-user basis, or withdraw keystrokes when users leave the organization. Internet Protocol protection can provide protection for individual users in need. This feature is useful for offsite employees and for setting up secure virtual sub-networks within an organization for sensitive applications.
Why Use IPSec?
The internet protocol (IP) does not provide any protection to transferred data. It does not guarantee that the sender is who they say they are. IPSec attempts to solve this problem. These services are considered distinct, but the IPSec supports them in a uniform manner.
Confidentiality
Make sure it is hard for anyone but the receiver to understand what data has been communicated. You do not want anyone to see your passwords when logging into a remote machine over the Internet.
Integrity
Guarantee that the data does not get changed on the way. If you are on a line carrying invoicing data you want to know that the amounts and account numbers are correct and not altered while in transit.
Authenticity
Sign your data so that others see that it is really you that sent it.
Replay Protection
We need ways to ensure a transaction is only performed once unless we are authorized to repeat it.
WARNING
Replay protection is not performed when using manual key IPSec.
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