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Re: Reverse proxy for Primary and then Secondary

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On Thu, Apr 10, 2008 at 7:48 PM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote:
>
> Indunil Jayasooriya wrote:
>
> > Hi all,
> >
> > I have 2 web servers . One is Primary and the other is Secondary.
> >
> > Pls asssume
> > ip of primary is 1.2.3.4
> > ip of secondary 2.3.4.5
> >
> > I want squid resverse proxy to forward traffic to primary server.
> > When, the primary goes offline, it should forward to Secondary web
> > Server.
> >
> > How can I acheive this task?
> >
> > I am going to keep squid as a reverse proxy in front of them?
> >
> > pls assume ip of reverse proxy is 5.6.7.8
> >
> > How Can I write rules in squid.conf?
> >
> > pls see below rules.
> >
> >
> > http_port 80 accel defaultsite=your.main.website
> >
> > cache_peer ip.of.primarywebserver parent 80 0 no-query originserver
> > cache_peer ip.of.secondarywebserver parent 80 0 no-query originserver
> >
> > acl our_sites dstdomain your.main.website
> > http_access allow our_sites
> >
>
>  Add:squid-users <squid-users@xxxxxxxxxxxxxxx>
>   cache_peer_access ip.of.primarywebserver allow our_sites
>   cache_peer_access ip.of.secondarywebserver allow our_sites
>   never_direct allow our_sites

Hi, amos,

Then, Comple rule set will be this. Pls let me know.


 http_port 80 accel defaultsite=your.main.website

 cache_peer ip.of.primarywebserver parent 80 0 no-query  originserver

 cache_peer ip.of.secondarywebserver parent 80 0 no-query  originserver

 acl our_sites dstdomain your.main.website

http_access allow our_sites

cache_peer_access ip.of.primarywebserver allow our_sites

cache_peer_access ip.of.secondarywebserver allow our_sites
never_direct allow our_sites




>  Squid follows that behavior by default.
>
>  FYI, There are some additional monitor* options to fine-tune recovery.

What are they?


>
>  Amos
>  --
>  Please use Squid 2.6.STABLE19 or 3.0.STABLE4
>



-- 
Thank you
Indunil Jayasooriya

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