Is this the right way to generate a wildcard CSR?

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I generated my CSR on an Amazon Linux system using this command



openssl req -new -sha256 -key ~/mymaindomain.com.ssl/mymaindomain.com.key -out ~/mymaindomain.com.ssl/mymaindomain.com.csr


I verified what I had done using



[davea@host mymaindomain.com.ssl]$ openssl req -noout -text -in ~/mymaindomain.com.ssl/mymaindomain.com.csr
Certificate Request:
 Data:
 Version: 0 (0x0)
 Subject: C=US, ST=NY, L=New York, O=Main Co, OU=SubCo, CN=mymaindomain.com
 Subject Public Key Info:
 Public Key Algorithm: rsaEncryption
 Public-Key: (2048 bit)


Before I submit this to a CA, I was curious if this will match "www.mymaindomain.com" and "abc.mymaindomain.com." I wanted to create a CSR that would match the "*.mymaindomain.com" expression but not quite sure if I did it right.




linux openssl ssl https amazon-linux




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  • When it asked you for the common name, did you list it as *.mydomain.com or just .mydomain.com? If you have the wildcard listed as the common name, it should work. Doesn't look like your common name has a wildcard.
    – saleetzo
    Mar 22 at 19:41











  • You didn't make it correctly, since there's no wildcard ( * ) appearing. Look with this example: openssl s_client -connect stackexchange.com:443 look at the CN . CN=*.stackexchange.com there's a * for wildcard. It wouldn't match stackexchange.com , but if you get the certificate and decode it with openssl x509 -noout -text you'll see all the SANs: DNS:*.stackexchange.com, DNS:stackoverflow.com, DNS:*.stackoverflow.com, [...] DNS:stackexchange.com . Now you know what to do. And yes adding SANs with openssl is a bit painful, but I'm sure there are already Q/A about this
    – A.B
    Mar 22 at 19:53











  • Thanks. No I didn't make it with "*.mymaindomain.com" ... it was just "mymaindomain.com". These comments give me exactly the answer I was looking for.
    – Dave
    Mar 22 at 20:13














up vote
1
down vote

favorite












I generated my CSR on an Amazon Linux system using this command



openssl req -new -sha256 -key ~/mymaindomain.com.ssl/mymaindomain.com.key -out ~/mymaindomain.com.ssl/mymaindomain.com.csr


I verified what I had done using



[davea@host mymaindomain.com.ssl]$ openssl req -noout -text -in ~/mymaindomain.com.ssl/mymaindomain.com.csr
Certificate Request:
 Data:
 Version: 0 (0x0)
 Subject: C=US, ST=NY, L=New York, O=Main Co, OU=SubCo, CN=mymaindomain.com
 Subject Public Key Info:
 Public Key Algorithm: rsaEncryption
 Public-Key: (2048 bit)


Before I submit this to a CA, I was curious if this will match "www.mymaindomain.com" and "abc.mymaindomain.com." I wanted to create a CSR that would match the "*.mymaindomain.com" expression but not quite sure if I did it right.




linux openssl ssl https amazon-linux




share|improve this question




















  • When it asked you for the common name, did you list it as *.mydomain.com or just .mydomain.com? If you have the wildcard listed as the common name, it should work. Doesn't look like your common name has a wildcard.
    – saleetzo
    Mar 22 at 19:41











  • You didn't make it correctly, since there's no wildcard ( * ) appearing. Look with this example: openssl s_client -connect stackexchange.com:443 look at the CN . CN=*.stackexchange.com there's a * for wildcard. It wouldn't match stackexchange.com , but if you get the certificate and decode it with openssl x509 -noout -text you'll see all the SANs: DNS:*.stackexchange.com, DNS:stackoverflow.com, DNS:*.stackoverflow.com, [...] DNS:stackexchange.com . Now you know what to do. And yes adding SANs with openssl is a bit painful, but I'm sure there are already Q/A about this
    – A.B
    Mar 22 at 19:53











  • Thanks. No I didn't make it with "*.mymaindomain.com" ... it was just "mymaindomain.com". These comments give me exactly the answer I was looking for.
    – Dave
    Mar 22 at 20:13












up vote
1
down vote

favorite









up vote
1
down vote

favorite











I generated my CSR on an Amazon Linux system using this command



openssl req -new -sha256 -key ~/mymaindomain.com.ssl/mymaindomain.com.key -out ~/mymaindomain.com.ssl/mymaindomain.com.csr


I verified what I had done using



[davea@host mymaindomain.com.ssl]$ openssl req -noout -text -in ~/mymaindomain.com.ssl/mymaindomain.com.csr
Certificate Request:
 Data:
 Version: 0 (0x0)
 Subject: C=US, ST=NY, L=New York, O=Main Co, OU=SubCo, CN=mymaindomain.com
 Subject Public Key Info:
 Public Key Algorithm: rsaEncryption
 Public-Key: (2048 bit)


Before I submit this to a CA, I was curious if this will match "www.mymaindomain.com" and "abc.mymaindomain.com." I wanted to create a CSR that would match the "*.mymaindomain.com" expression but not quite sure if I did it right.




linux openssl ssl https amazon-linux




share|improve this question












I generated my CSR on an Amazon Linux system using this command



openssl req -new -sha256 -key ~/mymaindomain.com.ssl/mymaindomain.com.key -out ~/mymaindomain.com.ssl/mymaindomain.com.csr


I verified what I had done using



[davea@host mymaindomain.com.ssl]$ openssl req -noout -text -in ~/mymaindomain.com.ssl/mymaindomain.com.csr
Certificate Request:
 Data:
 Version: 0 (0x0)
 Subject: C=US, ST=NY, L=New York, O=Main Co, OU=SubCo, CN=mymaindomain.com
 Subject Public Key Info:
 Public Key Algorithm: rsaEncryption
 Public-Key: (2048 bit)


Before I submit this to a CA, I was curious if this will match "www.mymaindomain.com" and "abc.mymaindomain.com." I wanted to create a CSR that would match the "*.mymaindomain.com" expression but not quite sure if I did it right.





linux openssl ssl https amazon-linux





share|improve this question











share|improve this question




share|improve this question










asked Mar 22 at 19:33









Dave

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  • When it asked you for the common name, did you list it as *.mydomain.com or just .mydomain.com? If you have the wildcard listed as the common name, it should work. Doesn't look like your common name has a wildcard.
    – saleetzo
    Mar 22 at 19:41











  • You didn't make it correctly, since there's no wildcard ( * ) appearing. Look with this example: openssl s_client -connect stackexchange.com:443 look at the CN . CN=*.stackexchange.com there's a * for wildcard. It wouldn't match stackexchange.com , but if you get the certificate and decode it with openssl x509 -noout -text you'll see all the SANs: DNS:*.stackexchange.com, DNS:stackoverflow.com, DNS:*.stackoverflow.com, [...] DNS:stackexchange.com . Now you know what to do. And yes adding SANs with openssl is a bit painful, but I'm sure there are already Q/A about this
    – A.B
    Mar 22 at 19:53











  • Thanks. No I didn't make it with "*.mymaindomain.com" ... it was just "mymaindomain.com". These comments give me exactly the answer I was looking for.
    – Dave
    Mar 22 at 20:13
















  • When it asked you for the common name, did you list it as *.mydomain.com or just .mydomain.com? If you have the wildcard listed as the common name, it should work. Doesn't look like your common name has a wildcard.
    – saleetzo
    Mar 22 at 19:41











  • You didn't make it correctly, since there's no wildcard ( * ) appearing. Look with this example: openssl s_client -connect stackexchange.com:443 look at the CN . CN=*.stackexchange.com there's a * for wildcard. It wouldn't match stackexchange.com , but if you get the certificate and decode it with openssl x509 -noout -text you'll see all the SANs: DNS:*.stackexchange.com, DNS:stackoverflow.com, DNS:*.stackoverflow.com, [...] DNS:stackexchange.com . Now you know what to do. And yes adding SANs with openssl is a bit painful, but I'm sure there are already Q/A about this
    – A.B
    Mar 22 at 19:53











  • Thanks. No I didn't make it with "*.mymaindomain.com" ... it was just "mymaindomain.com". These comments give me exactly the answer I was looking for.
    – Dave
    Mar 22 at 20:13















When it asked you for the common name, did you list it as *.mydomain.com or just .mydomain.com? If you have the wildcard listed as the common name, it should work. Doesn't look like your common name has a wildcard.
– saleetzo
Mar 22 at 19:41





When it asked you for the common name, did you list it as *.mydomain.com or just .mydomain.com? If you have the wildcard listed as the common name, it should work. Doesn't look like your common name has a wildcard.
– saleetzo
Mar 22 at 19:41













You didn't make it correctly, since there's no wildcard ( * ) appearing. Look with this example: openssl s_client -connect stackexchange.com:443 look at the CN . CN=*.stackexchange.com there's a * for wildcard. It wouldn't match stackexchange.com , but if you get the certificate and decode it with openssl x509 -noout -text you'll see all the SANs: DNS:*.stackexchange.com, DNS:stackoverflow.com, DNS:*.stackoverflow.com, [...] DNS:stackexchange.com . Now you know what to do. And yes adding SANs with openssl is a bit painful, but I'm sure there are already Q/A about this
– A.B
Mar 22 at 19:53





You didn't make it correctly, since there's no wildcard ( * ) appearing. Look with this example: openssl s_client -connect stackexchange.com:443 look at the CN . CN=*.stackexchange.com there's a * for wildcard. It wouldn't match stackexchange.com , but if you get the certificate and decode it with openssl x509 -noout -text you'll see all the SANs: DNS:*.stackexchange.com, DNS:stackoverflow.com, DNS:*.stackoverflow.com, [...] DNS:stackexchange.com . Now you know what to do. And yes adding SANs with openssl is a bit painful, but I'm sure there are already Q/A about this
– A.B
Mar 22 at 19:53













Thanks. No I didn't make it with "*.mymaindomain.com" ... it was just "mymaindomain.com". These comments give me exactly the answer I was looking for.
– Dave
Mar 22 at 20:13




Thanks. No I didn't make it with "*.mymaindomain.com" ... it was just "mymaindomain.com". These comments give me exactly the answer I was looking for.
– Dave
Mar 22 at 20:13















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