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03-25-2020 10:06 AM - edited 05-15-2020 06:23 AM
Can't access Expedition GUI using Google chrome, error message 'NET::ERR_CERT_COMMON_NAME_INVALID' displayed as below screenshot, and you are not able to proceed to the website.
For Google Chrome 58 and later, only the subjectAlternativeName extension, not commonName, is used to match the domain name and website certificate. If the certificate doesn’t have the correct subjectAlternativeName extension, users get a NET::ERR_CERT_COMMON_NAME_INVALID error letting them know that the connection isn’t private and will not provide you an option to proceed to the URL.
Please see the article for more details: https://support.google.com/chrome/a/answer/7391219?hl=en
Perform the below steps to re-install the self-signed certification with subjectAltName in Expedition:
copy and past below section in req.conf, modify attributes in the file to match your organization
........................................................................................
[req]
distinguished_name = req_distinguished_name
x509_extensions = v3_req
prompt = no
[req_distinguished_name]
C = US ( Replace this with your county name)
ST = VA ( Replace this with your state name)
L = SomeCity ( Replace this with your city name)
O = MyCompany ( Replace this with your company name)
OU = MyDivision ( Replace this with your organization name)
CN = 192.168.44.131 ( Replace this IP with your Expedition IP )
[v3_req]
keyUsage = keyEncipherment, dataEncipherment
extendedKeyUsage = serverAuth
subjectAltName = @alt_names
[alt_names]
DNS.1 = 192.168.44.131 ( Replace this IP with your Expedition IP )
DNS.2 = company.com
DNS.3 = company.net
........................................................................................
saves the changes with ESC :wq!
$ sudo openssl genrsa -out server.key 3072 -config req.conf
$ sudo openssl req -new -x509 -key server.key -sha256 -out certificate.pem -days 730 -config req.conf
$ sudo cp server.key /etc/ssl/certs/
$ sudo cp certificate.pem /etc/ssl/certs/
$ sudo vi /etc/apache2/sites-enabled/default-ssl.conf
Find below two lines in the default-ssl.conf and replace the path
SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem
SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key
with
SSLCertificateFile /etc/ssl/certs/certificate.pem
SSLCertificateKeyFile /etc/ssl/certs/server.key
saves the changes with ESC :wq
$ sudo systemctl restart apache2
