Hi,
> As a result, how do I ensure that computers on the local network can connect to these websites as
> example1.com and example2.com.
The PCs on the network do not have direct access* to the Internet and therefore go through the IP of the server PC to go to the Internet and back to the server PC with the same IP; this is called Local Loopback and it cannot work with Windows.
*direct meaning without going through the server PC.
Local sites should be defined as VirtualHost, with example1.com as ServerName for external access and a second VirtuaHost with example1.local as ServerName for LAN access.
And, from the LAN, you can access via 'http://IP local server/example1.local/'.
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