Varnish VCL Config

default.vcl

# Adapted from https://gist.github.com/4651531.git with a few mods according to my needs
backend default {
  .host = "127.0.0.1";
  .port = "8888";
  .connect_timeout = 60s;
  .first_byte_timeout = 60s;
  .between_bytes_timeout = 60s;
  .max_connections = 800;
}

acl purge {
  "127.0.0.1";
  "localhost";
}

sub vcl_recv {
  set req.grace = 2m;

  # Set X-Forwarded-For header for logging in nginx
  remove req.http.X-Forwarded-For;
  set    req.http.X-Forwarded-For = client.ip;

  # Remove has_js and CloudFlare/Google Analytics __* cookies and statcounter is_unique
  set req.http.Cookie = regsuball(req.http.Cookie, "(^|;\s*)(_[_a-z]+|has_js|is_unique)=[^;]*", "");

  # Remove a ";" prefix, if present.
  set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", "");
 
  # Either the admin pages or the login, don't cache
  if (req.url ~ "/wp-(login|admin|cron)") {
    return (pass);
  }
 
  # Remove the wp-settings-1 cookie
  set req.http.Cookie = regsuball(req.http.Cookie, "wp-settings-1=[^;]+(; )?", "");
   
  # Remove the wp-settings-time-1 cookie
  set req.http.Cookie = regsuball(req.http.Cookie, "wp-settings-time-1=[^;]+(; )?", "");

  # Remove the wp test cookie
  set req.http.Cookie = regsuball(req.http.Cookie, "wordpress_test_cookie=[^;]+(; )?", "");
   
  # Static content can be cached (so no user uploaded images)
  if (req.url ~ "wp-content/themes/" && req.url ~ "\.(css|js|png|gif|jp(e)?g)") {
    unset req.http.cookie;
  }

  # Check the cookies for wordpress-specific items
  if (req.http.Cookie ~ "wordpress_" || req.http.Cookie ~ "comment_") {
    # A wordpress specific cookie has been set
    return (pass);
  }
   
  # allow PURGE from localhost
  if (req.request == "PURGE") {
    if (!client.ip ~ purge) {
      error 405 "Not allowed.";
    }
    return (lookup);
  }
 
  # Force lookup if the request is a no-cache request from the client
  if (req.http.Cache-Control ~ "no-cache") {
    return (pass);
  }
   
  # Try a cache-lookup
  return (lookup);
}

sub vcl_fetch {
  #set obj.grace = 5m;
  set beresp.grace = 2m;
 
}
 
sub vcl_hit {
  if (req.request == "PURGE") {
    purge;
    error 200 "Purged.";
  }
}
 
sub vcl_miss {
  if (req.request == "PURGE") {
    purge;
    error 200 "Purged.";
  }
}