diff --git a/contrib/mod_defender/standalone.h b/contrib/mod_defender/standalone.h
new file mode 100644
index 0000000..9c9ccdd
--- /dev/null
+++ b/contrib/mod_defender/standalone.h
@@ -0,0 +1,52 @@
+/*
+ * Mod Defender for HAProxy
+ *
+ * Support for the Mod Defender code on non-Apache platforms.
+ *
+ * Copyright 2017 HAProxy Technologies, Dragan Dosen <ddosen@haproxy.com>
+ *
+ * Parts of code based on Apache HTTP Server source
+ * Copyright 2015 The Apache Software Foundation (http://www.apache.org/)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 3 of the License, or (at your option) any later version.
+ *
+ */
+#ifndef __STANDALONE_H__
+#define __STANDALONE_H__
+
+#include <http_core.h>
+#include <http_main.h>
+#include <http_config.h>
+
+#include <apr_pools.h>
+#include <apr_hooks.h>
+
+#define INSERT_BEFORE(f, before_this) ((before_this) == NULL                \
+                           || (before_this)->frec->ftype > (f)->frec->ftype \
+                           || (before_this)->r != (f)->r)
+
+#define DECLARE_EXTERNAL_HOOK(ns,link,ret,name,args)                           \
+ns##_HOOK_##name##_t *run_##ns##_hook_##name = NULL;                           \
+link##_DECLARE(void) ns##_hook_##name(ns##_HOOK_##name##_t *pf,                \
+                                      const char * const *aszPre,              \
+                                      const char * const *aszSucc, int nOrder) \
+{                                                                              \
+	run_##ns##_hook_##name = pf;                                           \
+}
+
+#define DECLARE_HOOK(ret,name,args) \
+	DECLARE_EXTERNAL_HOOK(ap,AP,ret,name,args)
+
+#define UNKNOWN_METHOD (-1)
+
+extern void (*logger)(int level, char *str);
+extern const char *read_module_config(server_rec *s, void *mconfig,
+                                      const command_rec *cmds,
+                                      apr_pool_t *p, apr_pool_t *ptemp,
+                                      const char *filename);
+extern int lookup_builtin_method(const char *method, apr_size_t len);
+
+#endif /* __STANDALONE_H__ */