pass vs pipe

[Ramon Navarro Bosch]

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Hi !

Doing some installations of varnish with plone instances we had some
problems:

We are using a vcl from from plone.recipe.varnish that has this part :


...

sub vcl_recv {

    if (req.request == "PURGE") {
        if (!client.ip ~ purge) {
                error 405 "Not allowed.";
        }
        lookup;
    }

    if (req.request != "GET" && req.request != "HEAD") {
        # Do not try to cache POST
        pass;
    }
    
    if (req.http.Expect) {
        pipe;
    }
...

VARNISH VERSION I USE: branch/1.1

the problem is on the not GET/HEAD rule :

if we choose pass some people get error on POST commits ( don't respond )

if we choose pipe some people get error ( it's my case ) that it takes
a long time and finally
  it gave an error complaining about upstream. In my case I can't
access directly to the backend
  as it's filtered by a firewall, maybe a reason ?

On my last tests I've just updated the 1.1 branch of varnish and now
pipe seems to work and pass don't.
Does anybody know what happens ?

Thanks !

Ramon
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