Hello,
As the mod_security is in effect on shared server cambridge.eukhost.com, so the security rules will not allow you to access the secure site with the server host name. However, you can access the site with the IP based URL via https protocol. i.e.
https://92.48.108.230/~eyeeyere/ also the cPanel/WHM URLs could be accessed through the IP based URLs respectively as follows.
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For cPanel::
https://92.48.108.230:2083 or
https://cambridge.eukhost.com:2083/
For WHM::
https://92.48.108.230:2087 or
https://cambridge.eukhost.com:2087/
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