RE: [squid-users] Using squid 2.4 as an accelerator

Brendan, this is exactly what I needed. Is this in the documentation? I
couldn't find it. The docs just kind of leave you wondering where to go
after using 'httpd_accel_host' unless I just flat out missed that page.

Regards, Dustin

---
Dustin Puryear <dpuryear@usa.net>
Information Systems Consultant
http://members.telocity.com/~dpuryear
In the beginning the Universe was created.
This has been widely regarded as a bad move. - Douglas Adams
> -----Original Message-----
> From: Brendan Keessen [mailto:brendan@telegraafnet.nl]
> Sent: Monday, December 10, 2001 10:16 AM
> To: Dustin Puryear
> Cc: squid-users@squid-cache.org
> Subject: Re: [squid-users] Using squid 2.4 as an accelerator
>
>
> Hello Dustin,
>
> On Mon, Dec 10, 2001 at 10:13:18AM -0600, Dustin Puryear wrote:
> > Any help on the following? I don't see in the Squid
> documentation where they
> > go over all of the details of setting up IP-based virtual hosting with
> > Squid. The docs only get so far as "httpd_accel_host
> virtual" and then
> > pretty much drop it.
>
> For listening on port 80 on all your interfaces you can use the following:
>
> http_port 0.0.0.0:80
>
> Or you may specify multiple socket addresses on multiple lines.
>
> Then as you describe in your email:
>
> httpd_accel_host virtual
> httpd_accel_port 80
>
> And for redirecting the requests to the correct realserver you have to
> make use of the following directives:
>
> redirect_program /usr/local/bin/squid_redirect.pl
> redirect_children 30
> redirect_rewrites_host_header off
>
> A simple version of a redirect program:
>
> c26133% cat /usr/local/bin/squid_redirect.pl
> #!/usr/bin/perl
> use strict;
>
> $|=1;
> while (<>) {
> 	s@http://<virtual servername>@http://<real servername>@;
> 	print;
> }
>
> I hope this works for you.
>
> Greetings,
>
> Brendan
>
> >
> > So I setup the IP aliases on the Squid box. But how do I tell
> Squid which
> > web servers behind it to use? We want to spread the accesses over n
> > webservers.
> >
> > Any help would be appreciated, thanks.
> >
> > Regards, Dustin
> >
> > ---
> > Dustin Puryear <dpuryear@usa.net>
> > Information Systems Consultant
> > http://members.telocity.com/~dpuryear
> > In the beginning the Universe was created.
> > This has been widely regarded as a bad move. - Douglas Adams
> >
> >
> > > -----Original Message-----
> > > From: Dustin Puryear [mailto:dpuryear@usa.net]
> > > Sent: Sunday, December 09, 2001 4:27 PM
> > > To: squid-users@squid-cache.org
> > > Subject: [squid-users] Using squid 2.4 as an accelerator
> > >
> > >
> > > I am looking to use Squid 2.4 as a web accelerator in front of n
> > > webservers.
> > > Squid will be running on a FreeBSD 4.4-RELEASE based firewall
> that only
> > > allows incoming port 80. Our web service will be using IP-
> and name-based
> > > virtual hosting.
> > >
> > > I am a bit confused on how to setup the virtual hosting with
> Squid. I know
> > > that I need to specify 'virtual' for the httpd_accel_host
> option. However,
> > > where do I go from there?
> > >
> > > Based on what I've learned I intend on using only private network
> > > addresses
> > > inside the network, so webserver 1 would be 10.0.0.10, webserver
> > > 2 would be
> > > 10.10.0.11, and so on. In addition, I will setup the IP aliases on the
> > > public interface on our firewall for each IP-based virtual host
> > > that we will
> > > support. But how do I configure Squid to know where to send
> these request?
> > > Since I am not specifying a hostname in httpd_accel_host I don't
> > > see where I
> > > would specify the webserver addresses.
> > >
> > > Please note that each web server will be serving the same
> content as any
> > > other web server, and at this time we plan on using DNS round robin to
> > > load-share. My current configuration is below. All comments
> are welcome.
> > >
> > > Also, is there anything special that needs to be done to
> Apache other than
> > > adding the virtual host entries in httpd.conf? What about interface
> > > configuration on the webservers?
> > >
> > > Regards, Dustin
> > >
> > > [--begin--]
> > > ##
> > > # General configuration
> > >
> > > # Specify the port we will listen on
> > > http_port	80
> > >
> > > # Specify the user to run as
> > > cache_effective_user	squid
> > > cache_effective_group	squid
> > >
> > > ##
> > > # ACL's
> > >
> > > acl	all		src	0.0.0.0/0.0.0.0
> > > acl	LocalNet	src	10.0.0.0/255.255.255.0
> > > acl	AccelHost	dst	10.0.0.0/255.255.255.0
> > > acl	AccelPort	port	80
> > >
> > > # Allow anything to our accelerated hosts on port AccelPort
> > > http_access	allow	AccelHost AccelPort
> > > # Allow anything from our local network
> > > http_access	allow	LocalNet
> > > # Deny everything else
> > > http_access	deny	all
> > >
> > > ##
> > > # Setup Accelerator mode
> > >
> > > httpd_accel_host	virtual
> > > httpd_access_port	80
> > > httpd_accel_uses_host_header	on
> > > [--end--]
> > >
> > > ---
> > > Dustin Puryear <dpuryear@usa.net>
> > > Information Systems Consultant
> > > http://members.telocity.com/~dpuryear
> > > In the beginning the Universe was created.
> > > This has been widely regarded as a bad move. - Douglas Adams
> > >
> > >
> > >
>