QUESTION
Given that clients on the internal network can freely surf the internet: if
the clients select a specific web site (ie www.website.com), my goal is to
configure IPTables to instead redirect the client to the internal web
server.
- If the client web browser is going to surf www.website.com, then iptables
redirects the client to 149.10.10.25
- If the client web browser is going to surf any other website, then
iptables permits the client to forward to the internet.
Use a local DNS server and set the hostname of the site that you want to
re-direct to your local webserver. You can secure this setup a bit more
by using a proxy server (Squid + SquidGuard) to prevent clients entering
the IPs directly. The only thing that IPTables would do is make sure
that only your proxy server can access the internet directly
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