Apache：如何将虚拟目录限制为本地网络

On my Apache 2.x server at home, I have a number of virtual directories. I've set up my router so that I can access Apache from the internet. I need to keep one of those virtual dirs (/private) from being accessed outside my home network LAN. So given /private, how do I configure Apache to only serve requests to /private from 192.168.4.x?On my Apache 2.x server at home, I have a numbe