On Wed, 2005-01-12 at 17:54, Guillermo Javier Nardoni wrote: > Hello, could you let me know if i can forward incoming packets from a > specific IP address to an internal Server? > > for example. > we have a linux box running Red Hat 9 (Shrike) with this Networking > configuration. > > eth0 (sis9000) ip: 10.0.0.1 (connected to an ADSL "modem" (Cisco 677)) > ppp0 Internet Conection using PPPoE through eth0 which is connected the ADSL > (Dynamic IP) > eth1 (rtl8139) ip: 192.168.0.1 (connected to the internal network and acting > as Transparent Proxy (with Squid and IPTABLE) > > the other Server (internal server) is running a Windows 2000 SP4 > eth0: rtl8139 ip: 192.168.0.2 > > what i want to do is this: > > we have 2 domains hosted by our servers (www.domainA.com and > www.domainB.com) > when a customer asks for a webpage (through ppp0) port 80 at www.domainA.com > i want to redirect it to our Windows 2000 server (it domain is written in > ASP), but when some customers ask for a webpage from the other one (domainB) > the page must flow-back to the customer from linux server instead of > Windows. since you only have 1 public IP address; and therefore, only one port 80--you need to get a little tricky. basically, what you need to do is setup a reverse proxy, either on the firewall itself (aaaaaaaaah), or on another box. send your <PUBLIC_IP>:80 traffic to the reverse proxy and have it split the traffic based on the HTTP HEADER request information. this can be done with apache using mod_rewrite + mod_proxy: http://httpd.apache.org/docs-2.0/mod/mod_rewrite.html http://httpd.apache.org/docs-2.0/misc/rewriteguide.html http://httpd.apache.org/docs-2.0/mod/mod_proxy.html http://httpd.apache.org/docs-2.0/mod/mod_proxy_http.html HTH... -j -- "My cat's breath smells like cat food." --The Simpsons
