From: David Vallner <david@...>
Date: 2006-09-09T21:04:22+09:00
Subject: Re: How to determine if a IP addresssis "local"?

Justin Bailey wrote:
> Does the ruby standard library or core include a way to determine if a
> network address is "local"? Specifically, my workplace uses a proxy
> server for all web traffic. I have several scripts that use open-uri.
> When the http_proxy environment variable is set, open-uri will proxy
> all requests to the defined proxy server. I'd like to write patch it
> to ignore that behavior for "local" addresses, and I'm hoping the ruby
> library already gives me the ability to determine that. Anyone know?
> 

Hmm. Proxy autoconfiguration file support in open-uri? I presume there's 
a pac file on your intranet someplace that mentions what addresses are 
local - this wouldn't be a bad new feature.

David Vallner