Appendix . How To: Use IPSec to Provide Secure Communication Between Two Servers
Internet Protocol Security (IPSec) can be used to secure the data sent between two computers, such as an application server and a database server. IPSec is completely transparent to applications because encryption, integrity, and authentication services are implemented at the transport level. Applications continue to communicate with one another in the normal manner using TCP and UDP ports.
Using IPSec you can:
Provide message confidentiality by encrypting all of the data sent between two computers.
Provide message integrity between two computers (without encrypting data).
Provide mutual authentication between two computers. For example, you can help secure a database ...
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