httpd-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Matus UHLAR - fantomas <uh...@fantomas.sk>
Subject Re: [users@httpd] Use of NoProxy without a DNS lookup
Date Mon, 01 Jun 2009 13:03:47 GMT
On 01.06.09 12:17, David Vaughan wrote:
> 	Thanks for those suggestions.  The LAN is only connected to the
> main network via a satellite link, which is slow and expensive.  I am
> working on an intelligent DNS server that will only process requests
> when a user is logged on, but this won't be available for a few months
> yet.

Why to do that? What's expensive, the link or the data transferred?
If it's the link, why to avoid the traffic when nobody's logged?
Do you have local (caching) DNS server with local zones, so the requests for
local hostnames don't have to be sent over the link?

> > -----Original Message-----
> > From: David Vaughan [mailto:david.vaughan@satemail.com]
> > Sent: Thursday, May 28, 2009 12:46 PM
> > To: users@httpd.apache.org
> > Subject: [users@httpd] Use of NoProxy without a DNS lookup
> > 
> > Hi there.
> > 
> > I have an Apache server (2.2.11 running on Windows XP) which acts as a
> > forward proxy for a small network connected via a slow IP link to a
> > main
> > proxy server.
> > 
> > The network has an intranet so the NoProxy command is used to prevent
> > sending these requests to the main proxy.  However this causes Apache
> > to
> > do a DNS lookup for every request.  After re-reading the documentation
> > I
> > changed the NoProxy subnet address for a dotted IP address (e.g.
> > 192.168.0.20), but this still causes a DNS lookup.
> > 
> > The proxy section of the config file is:
> > ProxyRemote * http://my.ipaddress.com:8080
> > Noproxy 192.168.0.0/16
> > 
> > <Proxy *>
> > 	Order Deny,Allow
> > 	Deny from all
> > 	Allow from 192.168
> > </Proxy>
> > 
> > What I'd like is for Apache to only process the NoProxy command if the
> > host name is in a dotted address format - anything else can be sent to
> > the main proxy server as this will not be on the local intranet.

-- 
Matus UHLAR - fantomas, uhlar@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
Chernobyl was an Windows 95 beta test site.

---------------------------------------------------------------------
The official User-To-User support forum of the Apache HTTP Server Project.
See <URL:http://httpd.apache.org/userslist.html> for more info.
To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
   "   from the digest: users-digest-unsubscribe@httpd.apache.org
For additional commands, e-mail: users-help@httpd.apache.org


Mime
View raw message