ssh = OpenSSH SSH client (remote login program)
sshd = OpenSSH SSH daemon
/etc/apache2/
apache.conf holds the important Apache stuff. Other Virtualhosts usually have their own .conf file,
so I'd leave that file alone and read up on
VirtualHosts.
There are few reasons to /etc/apache2/apache.conf intentionally.
ssh and sshd are not in that list.
Have a read of
http://rute.2038bug.com/index.html.gz also.