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Hostname Does Not Match In Lollipop Devices But Works Fine In Postman And Marshmallow Devices

Recently SSL certificates were added to the server, so I have changed the url in android from http://appname.com to https://www.appname.com , this works fine on marshmallow devices

Solution 1:

The error means that the hostname to which the certificate has been issued (CN field in subject) does not match with the server name.

If you are using the URL https://www.appname.com then the certificate should be issued to www.appname.com or *.appname.com. It hostname of the certificate is appname.com then error is correct and you can use https://appname.com but not https://www.appname.com.

Deploy your server in https://appname.com, issue a new certificate for www.appname.com or set a HostnameVerifier to allow www.appname.com

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