Publish same port to several servers

[pablo.ugalde]

How i can publish several sites or services (same port 80) in diferent servers? any idea

[sky-knight]

You don't... you can only use one port per IP address. So if you have multiple WAN addresses you can forward 80 from each IP to a separate web server. Or, you can configure a reverse proxy.

Personally I do the latter, it allows me to operate multiple web servers off a single IP and TCP 80 port, and the proxy chooses internal web resources based on host name.

[Mathiau]

or you could just use Virtual hosts on your webserver application, apache or IIS as well.

[bigdessert]

You don't... you can only use one port per IP address. So if you have multiple WAN addresses you can forward 80 from each IP to a separate web server. Or, you can configure a reverse proxy.

Personally I do the latter, it allows me to operate multiple web servers off a single IP and TCP 80 port, and the proxy chooses internal web resources based on host name.

This statement is "mostly" true....if some service port is being hit anonymously you cannot have multiple addresses to a port.

However if you have specific ip's that are trying to communicate over port 80 you can port forward 80 to different internal machines depending on the source ip address.

Sky, do you use a dedicated box to perform your reverse proxy?

[sky-knight]

Yes, I have a debian VM that acts as a LAMP server as well as provides reverse proxy for specific DNS names that need to be bounced off an internal IIS server.