Setting up DirectAdmin with an SSL certificate

You can switch DirectAdmin to use SSL instead of plain text. -> https instead of http on port 2222.
Note that this is for the DirectAdmin connection on port 2222, *not* for apache.

If you do not have your own certificates, you'll need to create your own:
/usr/bin/openssl req -x509 -newkey rsa:1024 -keyout /usr/local/directadmin/conf/cakey.pem -out /usr/local/directadmin/conf/cacert.pem -days 9000 -nodes

chown diradmin:diradmin /usr/local/directadmin/conf/cakey.pem
chmod 400 /usr/local/directadmin/conf/cakey.pem

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This is the old method, use either the one above, or this one. The end result is the same, but takes more steps.

openssl req -new -x509 -keyout /usr/local/directadmin/conf/cakey.pem.tmp -out /usr/local/directadmin/conf/cacert.pem -days 3653

openssl rsa -in /usr/local/directadmin/conf/cakey.pem.tmp -out /usr/local/directadmin/conf/cakey.pem

rm -f /usr/local/directadmin/conf/cakey.pem.tmp
chown diradmin:diradmin /usr/local/directadmin/conf/cakey.pem
chmod 400 /usr/local/directadmin/conf/cakey.pem

(Paste these one at a time as the first 2 require user input)
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If you already have your own certificate and key, then paste them into the following files:

certificate: /usr/local/directadmin/conf/cacert.pem
key: /usr/local/directadmin/conf/cakey.pem

Edit the /usr/local/directadmin/conf/directadmin.conf and set SSL=1 (default is 0). This tells DA to load the certificate and key and to use an SSL connection. DirectAdmin needs to be restarted after this change.

If you also have a CA Root Certificate, this can be specified by adding:

carootcert=/usr/local/directadmin/conf/carootcert.pem

into the /usr/local/directadmin/conf/directadmin.conf file (won't exist by default) and by pasting the contents of the caroot cert into that file.