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By Juergen Haas, About.com

Certificates and Security

To set up your secure server, use public key cryptography to create a public and private key pair. In most cases, you send your certificate request (including your public key), proof of your company's identity, and payment to a Certificate Authority (CA). The CA verifies the certificate request and your identity, and then sends back a certificate for your secure server.

Alternatively, you can create your own self-signed certificate. Note, however, that self-signed certificates should not be used in most production environments. Self-signed certificates are not automatically accepted by a user's browser. Users are prompted by the browser to accept the certificate and create the secure connection.

Once you have a self-signed certificate or a signed certificate from the CA of your choice, you need to install it on your secure server.

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* Ubuntu Server Guide Index

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