How do I make my own bundle file from CRT files?
Answer: You may do this using you favorite text editor or by using the command line.
Example:
# Root CA Certificate - AddTrustExternalCARoot.crt # Intermediate CA Certificate 1 - ComodoRSAAddTrustCA.crt OR ComodoECCAddTrustCA.crt # Intermediate CA Certificate 2 - ComodoRSADomain/Organization/ExtendedvalidationSecureServerCA.crt OR ComodoRSAECCDomain/Organization/ExtendedvalidationSecureServerCA.crt # Intermediate CA Certificate 3 - ComodoSHA256SecureServerCA.crt # Your SSL Certificate - yourDomain.crt
Note: You will not need your SSL certificate for this exercise.
GUI Text Editor
1. Open All files in a text editor. (Remember, not your domain certificate.) 2. Create a new blank text file. 3. Copy contents of all files in reverse order and paste them into the new file. Example: Intermediate 3, Intermediate 2, Intermediate 1, Root Certificate. 4. Save newly created file as 'yourDomain.ca-bundle'.
Command Line
Linux or UNIX-like Operating Systems: -- cat ComodoRSAAddTrustCA.crt ComodoRSADomain/Organization/ExtendedvalidationSecureServerCA.crt AddTrustExternalCARoot.crt > yourDomain.ca-bundle
Or
-- cat ComodoSHA256SecureServerCA.crt AddTrustExternalCARoot.crt > yourDomain.ca-bundle
Windows or DOS: -- copy ComodoRSAAddTrustCA.crt + ComodoRSADomain/Organization/ExtendedvalidationSecureServerCA.crt + AddTrustExternalCARoot.crt yourDomain.ca-bundle
Or
-- copy ComodoSHA256SecureServerCA.crt + AddTrustExternalCARoot.crt yourDomain.ca-bundle
Note: 'yourDomain.ca-bundle' is only a place holder file name. You may call it anything you want.
Related Items
* Root & Intermediate Certificates
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