====== Example config for CMS Made Simple ======

An example [[https://www.varnish-cache.org/|varnish]] config for [[http://www.cmsmadesimple.org|cmsms]] (CMS Made Simple)

<verbatim class="file">
backend reflex {
  .host = "85.214.82.33";
  .port = "180";
}

backend guanin {
  .host = "127.0.0.1";
  .port = "80";
}

sub vcl_recv {
  if (req.http.host ~ "^(www.)?s2p.de$") {
    # normalise the host for cache efficience
    set req.http.host = "s2p.de";
    set req.backend = guanin;
  } elseif (req.http.host ~ "^(www.)?reflex.de$") {
    set req.http.host = "reflex.de";
    set req.backend = reflex;
  } elseif (req.http.host ~ "^wiki.s2p.de$") {
    set req.http.host = "s2p.de";
    set req.backend = guanin;
  } else {
    error 404 "Unknown virtual host";
  }

  if ( req.request == "GET" && req.http.cookie && !( req.url ~ "^/admin/") ) {
    return(lookup);
  }

  if ( req.backend.healthy) {
    set req.grace = 30s;
  } else {
    set req.grace = 1h;
  }

}

sub vcl_fetch {

  set beresp.grace = 1h;
  if ( beresp.ttl < 300s ) {
    #log " ### Adjusting TTL to 300s";
    set beresp.ttl = 300s;
  }

  if ( beresp.http.set-cookie ) {
    return(deliver);
  }

}

sub vcl_deliver {

  if (obj.hits > 0) {
    set resp.http.X-Cache = "HIT";
  } else {
    set resp.http.X-Cache = "MISS";
  }

}
</code>