SSL Configuration with Comodo Premium SSL and MUP Stud

Hi for those how are configuring SSL certificate with meteor and are (struggling like me) having problems creating the bundle this is the order that work for me:

cat STAR_yourdomain_com.crt COMODORSAOrganizationValidationSecureServerCA.crt COMODORSAAddTrustCA.crt AddTrustExternalCARoot.crt > yourdomain.pem

After that use that pem in your mup.conf:


  "ssl": {
    "pem": "./yourdomain.pem",
    //"backendPort": 80

Set your ROOT_URL to https :

"ROOT_URL": "",

And run mup setup and you are good to go. Also you might want to add the force-ssl package just in case.

1 Like

Your my hero! This worked perfectly.

Glad this was useful

where did you get the .key file? what is it?
I bought a certificate from I was able to validate my domain and download two files :

  2. mydomain.crt

I don’t have a .key file, nor do I know what that is. Is it the same .pem file mup takes in order to be able to login to the server via ssh?

Then I did the following :
$ cat mydomain.crt mydomain.pem > mydomain.pem

and added the following entry to my mup mup.json file :

  "ssl": {
    "pem": "mydomain.pem"
    //"backendPort": 80

mup deploy

now when I try to access, I get a response, the app loads.
when I try to access, there is no response.

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I opened port 443 on my aws ec2 instance.

There is an error response. This message shows in chrome :

This webpage is not available DNS_PROBE_FINISHED_NXDOMAIN

Hi looshi,

Were you able to figure this out? I also got my SSL (recently) from NameCheap.

And I wanted to use the SSL in my deployed app.