[CentOS] redirecting when behind a firewall
Mikael Fridh
mikael.fridh at its.uu.seFri Jul 11 07:46:45 UTC 2008
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On Thu, Jul 10, 2008 at 12:29:18PM -0700, bruce wrote: > > So i don't have the ability to do something like "forward foo.gotdns.com to > machine1, and forward foo2.gotdns.com to machine2" which is exactly what i'm > trying to accomplish!! > You wrote a really long mail so sorry if I missed some of your intentions but here's some pseudo-code showing an example ... DNS === foo.example.com. IN A 123.123.123.123 foo1.example.com. IN CNAME foo.gotdns.com foo2.example.com. IN CNAME foo.gotdns.com ROUTER ====== redirects all WAN traffic to internal LAN server: WAN: 123.123.123.123 => LAN: 192.168.0.10 FRONT-END APACHE (192.168.0.10) ================ NameVirtualHost *:80 <VirtualHost *:80> ServerName foo1.example.com ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass / http://internal1.foo.example.com/ ProxyPassReverse / http://internal1.foo.example.com/ </VirtualHost> <VirtualHost *:80> ServerName foo2.example.com ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass / http://internal2.foo.example.com/ ProxyPassReverse / http://internal2.foo.example.com/ </VirtualHost> Now all you need is to set up internal[12].foo.example.com as either vhosts or on physical web servers. That's one possible solution. Others might be more complex load balancer setups. -- Fridh
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