Here's the situation. Their website has an SSL certificate with www.company.com in the domain. We can't move their site, and the SSL cert couldn't be used with a subdomain. So, if I set up a server somewhere else at say app.company.com, I could add the following to their SSL site's VirtualHost:
ProxyRequests OffThis seems to work, but I haven't tested it fully yet. I am having issues with image paths and such, but that is to be expected.
Allow from all
ProxyPass /app http://app.company.com/app
ProxyPassReverse /app http://app.company.com/app
Apache provides details of using mod_proxy.
There are also details about other options for connecting to Tomcat with various means, including using iptables, mod_jk2, and mod_proxy.