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What you are looking for is a UCC cert, if requesting from a 3rd party provider. They will cover 5 &quot;Subject Alternative Names&quot; (URL's) in the cert at the cheapest level.<br />
<br />
If you are requesting from your own internal certificate authority, then you can request multiple subject alternative names. &nbsp;The link from becraig is correct for that, but appears to be down. &nbsp;Try <a href="http://webcache.googleusercontent.com/search?q=cache:wt_qXZRbgFIJ:technet.microsoft.com/en-us/library/ff625722(v%3Dws.10).aspx+&cd=1&hl=en&ct=clnk&gl=us" rel="ugc">here</a>.
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What you are looking for is a UCC cert, if requesting from a 3rd party provider. They will cover 5 "Subject Alternative Names" (URL's) in the cert at the cheapest level.

If you are requesting from your own internal certificate authority, then you can request multiple subject alternative names.  The link from becraig is correct for that, but appears to be down.  Try here [http://webcache.googleusercontent.com/search?q=cache:wt_qXZRbgFIJ:technet.microsoft.com/en-us/library/ff625722(v%3Dws.10).aspx+&cd=1&hl=en&ct=clnk&gl=us].

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I have several subdomains:<br />
<br />
www.domain.com<br />
email.domain.com<br />
intranet.domain.com<br />
dc.domain.com<br />
crm.domain.com<br />
<br />
etc...<br />
<br />
What I want is certificate that allows me to cover all these domains. &nbsp;All of them are within my domain and are accesible via reverse proxy server I have to control all the entry points.<br />
<br />
Thanks for the help
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I have several subdomains:

www.domain.com
email.domain.com
intranet.domain.com
dc.domain.com
crm.domain.com

etc...

What I want is certificate that allows me to cover all these domains.  All of them are within my domain and are accesible via reverse proxy server I have to control all the entry points.

Thanks for the help

Need an Enterprise certificate.

HTTPS is a protocol for secure communication over a computer network which is widely used on the Internet. HTTPS consists of communication over Hypertext Transfer Protocol (HTTP) within a connection encrypted by Transport Layer Security (TLS) or its predecessor, Secure Sockets Layer (SSL). The main motivation for HTTPS is authentication of the visited website and to protect the privacy and integrity of the exchanged data. HTTPS is widely used for protecting page authenticity on all types of websites, securing accounts and keeping user communications, identity and web browsing private.

SSL / HTTPS

Encryption is the process of encoding messages or information in such a way that only authorized parties can read it. In an encryption scheme, the intended communication information or message, referred to as plaintext, is encrypted using an encryption algorithm, generating ciphertext that can only be read if decrypted. For technical reasons, an encryption scheme usually uses a pseudo-random encryption key generated by an algorithm. An authorized recipient can easily decrypt the message with the key provided by the originator to recipients, but not to unauthorized interceptors.

Encryption

A vulnerability is a weakness which allows an attacker to reduce a system's information assurance. Vulnerability is the intersection of three elements: a system susceptibility or flaw, attacker access to the flaw, and attacker capability to exploit the flaw. To exploit a vulnerability, an attacker must have at least one applicable tool or technique that can connect to a system weakness, known as the attack surface. Vulnerability management is the cyclical practice of identifying, classifying, remediating, and mitigating vulnerabilities. Other vulnerabilities include security risks, security defects and constructs in programming languages that are difficult to use properly.