This is displayed because IIS always uses the server's name (in this case WIN-PABODPHV6W3) as the common name when it creates a self signed certificate. When you do, you should see the following warning stating that "The security certificate presented by this website was issued for a different website's address" (a name mismatch error). Now let's test the IIS self signed certificate by going to the site with https in our browser (e.g.You will now see the binding for port 443 listed.Change the Type to https and then select the SSL certificate that you just installed.In the Connections column on the left, expand the sites folder and click on the website that you want to bind the certificate to.Now we just need to bind the Self signed certificate to the IIS site. The certificate common name (Issued To) is the server name. You will now have an IIS Self Signed Certificate valid for 1 year listed under Server Certificates.Enter any friendly name and then click OK.In the Actions column on the right, click on Create Self-Signed Certificate.Click on the name of the server in the Connections column on the left.Click on the Start menu, go to Administrative Tools, and click on Internet Information Services (IIS) Manager.Now let’s create one: ( Click here to hide or show the images) Now you know when to use an IIS self signed certificate and when not to. Generate Your IIS Self Signed Certificate Never use a self signed certificate on an e-commerce site or any site that transfers valuable personal information like credit cards, social security numbers, etc. Just keep in mind that visitors will see a warning in their browsers (like the one below) when connecting to an IIS site that uses a self signed certificate until it is permanently stored in their certificate store. If you have a small personal site that transfers non-critical information, there is very little incentive for someone to attack the connection. Self signed certificates can be used on personal sites with few visitors.There is no need to spend extra cash buying a trusted certificate when you are just developing or testing an application. Self signed certificates can be used on an IIS development server.When clients only have to go through a local intranet to get to the server, there is virtually no chance of a man-in-the-middle attack. ![]() Self signed certificates can be used on an intranet.However, self signed certificates can be appropriate in certain situations: Because of this, you should almost never use a self signed certificate on a public IIS server that requires anonymous visitors to connect to your site. This means you can't verify that you are connecting to the right server because any attacker can create a self signed certificate and launch a man-in-the-middle attack. ![]() A self signed certificate is a certificate that is signed by itself rather than a trusted third party. Never use a self signed certificate on an e-commerce site or any site that transfers valuable personal information like credit cards, social security numbers, etc.Īn SSL certificate has multiple purposes: distributing the public key and, when signed by a trusted third-party, verifying the identity of the server so clients know they aren’t sending their information (encrypted or not) to the wrong person. When to Use an IIS Self Signed Certificate This means that anything encrypted with a public key (the SSL certificate) can only be decrypted with the private key and vice versa. It uses public key cryptography to establish a secure connection. SSL certificates enable the encryption of all traffic sent to and from your IIS web site, preventing others from viewing sensitive information. SSL is an essential part of securing your IIS 7.0 site and creating a self-signed certificate in IIS 7 is much easier to do than in previous versions of IIS.
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