Hello Amos,
This is the via header sent by my local proxy as part of the request.
Via: 1.1 ubuntuozgen (squid/3.5.19)
It is not fqdn but ubuntu concatanated with a Turkish name so it is highly unlikely that yahoo have such named reverse proxy. I could not decrypt the squid <--> flicker traffic yet this is from pcap output from another http site but i think it should be same right?
Thanks.
On Sat, Jun 25, 2016 at 3:10 PM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote:
On 25/06/2016 6:14 p.m., Rafael Akchurin wrote:
> Hello Amos,
>
> The Via from mine is:
>
> Via:"http/1.1 fts110.flickr.bf1.yahoo.com (ApacheTrafficServer [cMs f ]), http/1.1 r02.ycpi.ams.yahoo.net (ApacheTrafficServer [cMsSf ]), 1.1 qlproxy (squid/3.3.8)"
>
> Might it be the error when constructing via contents in squid? As it starts with 1.1 while other constructed by Yahoo all start with http/1.1 ?
>
I think thats the Via on the reply coming back, not the request going out.
If that is actually your outgoing Via header *to* Yahoo. Then it says
the message has already been through their service. Thus a loop.
If Yahoo have any machine whose private hostname is "qlproxy" then your
Via header will match that machine (or qlproxy.*.yahoo.com) and again
they will detect a loop.
==> this will be true on whatever the outgoing Via really is from your
"qlproxy" proxies.
==> This is one of several reasons why I keep saying the
visible_hostname is *required* to be a FQDN, not a local one-label name.
And why Squid attempts to validate any auto-detected value in DNS before
using them.
What I'm expecting to see in Ozgur's header is either "localhost" or a
simple one-label name like yours which might match something inside the
private portion of the recipients CDN network.
Amos
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