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SHA1 are not support now a day. You will need to select as below.. other are two are fine.<br />
<br />
Signature Algorithm: SHA2<br />
Key Algorithm: RSA<br />
Key Size: 2048
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SHA1 are not support now a day. You will need to select as below.. other are two are fine.

Signature Algorithm: SHA2
Key Algorithm: RSA
Key Size: 2048

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<div class="content wysiwyg-content">
WE are setting up c IIS server serving pages over port 443 and have asked to create a CSR for them to build the cert.<br />
They've asked for the following level of encryption. &nbsp;Is this considered industry standard/sufficient? <br />
Signature Algorithm: SHA1<br />
Key Algorithm: RSA<br />
Key Size: 2048
</div>
</div>


WE are setting up c IIS server serving pages over port 443 and have asked to create a CSR for them to build the cert.
They've asked for the following level of encryption.  Is this considered industry standard/sufficient? 
Signature Algorithm: SHA1
Key Algorithm: RSA
Key Size: 2048

Correct security config for IIS/https

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

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.