https://www.digicert.com/csr-creation-apache.htm run the command : sudo openssl req -new -newkey rsa:2048 -sha256 -nodes -keyout briccs.xuhl-tr.nhs.uk.key -out briccs.xuhl-tr.nhs.uk.csr this generates a key and csr send text of csr to Robert.Hallett@uhl-tr.nhs.uk ask him to create a base46 cer which is in text format and not binary add the file to this directory /share/cert/live/