A while ago I started using self-signed certificates for a number of subdomains. Although browers would still displaying a warning that the certificate was not secure (as in validated somehow), it did encrypt any communication between the client and the server, thus introducing more security. It did bug me however, that the security warning comes up. 

The cost of a SSL certificate is not that much, but with a dozen subdomains it would add up. A wildcard certificate is an option but those arent that cheap either. A friend of mine pointed out that there is a free of charge service for relatively simpel (sub)domain certifcates. It doesn't include extensive validation but it does provide a certificate that is accepted by most modern browsers as valid.

So, as of today, this website is hosted with a valid ssl certificate and in the following days I'll be installing certificates for most subdomains as well.


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