Varnish doesnt PURGE urls

[hamidreza hosseini]

Hi,

I've two varnish, that one of them use ram as backend and another file as backend, requests first come to varnish(ram) and then go to another server in varnish(file) and then go to nginx, this is my diagram:

Req=====> [varnish ram] =======> [varnish file] =====> [Nginx]

And following file is my vcl configuration file that i'm using,
but when i want to purge a url it doesnt work and it steel remains in cache,
Should i chage my config file?
What's wrong with varnish?

Vcl config file:

### Naming note: use [0-9a-zA-Z_] only. no -. Or use camelCase ;-)
vcl 4.0;

import directors;


backend varnish_malloc_01 { .host = "192.168.200.12"; .port = "8080"; }


sub vcl_init {
    new varnish_cluster = directors.round_robin();
    varnish_cluster.add_backend(varnish_malloc_01);

}


acl purge {
    "localhost";
    "192.168.200.0"/24;
;
}


sub vcl_recv {

sub vcl_recv {
    #set req.backend_hint = varnish_cluster.backend();
    unset req.http.Cookie;
    if (req.method == "PURGE") {
        ### TODO: also purge from the backend
        if (!client.ip ~ purge) {
            return(synth(405,"Not allowed."));
        }
        return (purge);
    }
}

sub vcl_backend_response {
    set beresp.ttl=48h;
    # Don't cache 404 responses
    if ( beresp.status == 404 ) {
        set beresp.ttl = 120s;
        set beresp.uncacheable = true;
        return (deliver);
    }
}


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