Varnish simple configuration for symfony 2

default.vcl

backend default {
    .host = "127.0.0.1";
    .port = "8081";
}

sub vcl_recv {
        if (req.url ~ "\.(png|gif|jpg|swf|css|js)$") {
                unset req.http.cookie;
        }
}

sub vcl_fetch {
        if (req.url ~ "\.(png|gif|jpg|swf|css|js)$") {
                unset beresp.http.set-cookie;
        }
}

sub vcl_recv {
    if (req.url ~ "^/images") {
        unset req.http.cookie;
    }
}

sub vcl_fetch {
    if (req.url ~ "^/images") {
        unset beresp.http.set-cookie;
    }
}