Tutorial on how to replace ClearPass Default Self Sign SSL Certificate
Replace HTTPS Server Certificate
Generate a Let’s Encrypt SSL Certificate by following this link
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Download the cross-signed by IdenTrust’s “DST Root CA X3” (now called “TrustID X3 Root”) – trustidrootx3_chain.p7b
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Import fullchain.cer & trustidrootx3_chain.p7b to Administration > Certificate > Certificate Store > Trust List by clicking Add
Ensure that Usage = Aruba Infrastructure & Others is selected and click Add Certificate
- Verify the following imported SSL Certificates are Enabled
- Subject = CN=DST Root CA X3,O=Digital Signature Trust Co.
- Subject = CN=R3,O=Let’s Encrypt,C=US
- Verify the existing Self Sign SSL Certificate used by HTTPS Server Certificate in Administration > Certificate > Certificate Store. Click Import Certificate to import Let’s Encrypt SSL Certificate
- Import the Cert.pfx with passphase
- Verify the Let’s Encrypt SSL Certificate is imported successfully to ClearPass
- Verify Let’s Encrypt SSL Certificate is in used the next time you login to ClearPass Portal
Import AD Root Certificate
Export the CA Root Certificate to C:\Temp\AventisLab-ROOT.cer from AD Domain Controller
C:\Temp>certutil -ca.cert AventisLab-ROOT.cer
Import the AventisLab-ROOT.cer for EAP & AD/LDAP Servers usage in Administration > Certificate > Trust List
Verify the AD Root Certificate is imported successfully
Change the Authentication Source for AD-AventisLab.com to use AD over SSL – Port 636