Varnish 4.0

gistfile1.txt

# sudo chmod -R 777 /usr/local/var/varnish

# To start, need to specify the port you'd like Varnish to run on if not on port 80:
# sudo ./varnishd -a 127.0.0.1:8080 -f /usr/local/etc/varnish/ee.vcl -s malloc,200M

vcl 4.0;

backend default {
    .host = "127.0.0.1";  # IP address of your backend (Apache, nginx, etc.)
    .port = "80";       # Port your backend is listening on
    .probe = {
        .url = "/";
        .timeout = 1000ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
    }
}

sub vcl_recv {

    # Forward client's IP to backend
    unset req.http.X-Forwarded-For;
    set req.http.X-Forwarded-For = client.ip;

    # Set the URI of your system directory
    if (req.url ~ "^/system/" ||
        req.url ~ "ACT=" ||
        req.method == "POST" ||
        (req.url ~ "member_box" && req.http.Cookie ~ "exp_sessionid"))
    {
        return (pass);
    }

    unset req.http.Cookie;

    # This is different, read this: https://www.varnish-software.com/blog/grace-varnish-4-stale-while-revalidate-semantics-varnish
    # set req.grace = 1h;

    return(hash);
}

sub vcl_backend_response {

    # Enable ESI includes
    set beresp.do_esi = true;

    # Our cache TTL
    set beresp.ttl = 1m;

    # set beresp.grace = 1h;

    return(deliver);
}