Amos The caching layer is used as a reverse proxy layer. How do i implement the Via:header or X-Client headers thing? Or how do i check those headers being sent to the client?? greetings On Tue, Mar 22, 2011 at 6:12 PM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: > On Tue, 22 Mar 2011 14:34:49 -0300, N3O wrote: >> >> yeah but the problem of that is you have to keep checking on the squid >> logs. i prefer if its possible to do the IP response headers thing, >> just >> for the name of simplicity. Is it possible?? >> >> Greetings >> >> On Tue, Mar 22, 2011 at 12:50 PM, Giles Coochey wrote: >>> >>> On 22/03/2011 16:40, N3O wrote: >>>> >>>> is it possible to get squid to write its IP as a response header?? i'm >>>> using a two node caching layer with a load balancer between them, and >>>> my idea is to confirm that both squids and if the load balancer is >>>> distributing requests. >>>> >>>> Any idea how to implement this on squid?? >>>> Greetings >>> >>> Can't you just check the squid logs to see they are both receiving and >>> processing requests?? >>> I have a load balanced pair of squids, I know the load balancing is >>> working >>> because I didn't set the acls right during initial set up and I saw >>> responses from different hostnames. > > > What you are looking for is the Via: header. This is a mandatory header > where each proxy adds its own $unique_hostname as is passes through. It is > sent in both request and reply. > > > For example; if your top layer is called squid1 and your bottom layer is > balanced between squid2 and squid3. > > Your server will see: > Via: ..., 1.1 squid1.example.com (squid), 1.0 squid2.example.com (squid) > or > Via: ..., 1.1 squid1.example.com (squid), 1.0 squid3.example.com (squid) > > The client will see: > Via: ..., 1.0 squid2.example.com (squid), 1.0 squid1.example.com (squid) > or > Via: ..., 1.0 squid3.example.com (squid), 1.0 squid1.example.com (squid) > or (on HITs) > Via: ..., 1.0 squid1.example.com (squid) > > > Depending on your squid version and setup (forward/reverse/transparent) you > may also get X-Client headers out of Squid on the reply back to client > saying whether it was a HIT/MISS at each layer. > > Amos > >
