diff --git a/include/types/proxy.h b/include/types/proxy.h
index 3f848a0..5306a3b 100644
--- a/include/types/proxy.h
+++ b/include/types/proxy.h
@@ -189,6 +189,7 @@
 #define PR_CK_PSV       0x00000040      /* cookie ... preserve */
 #define PR_CK_HTTPONLY  0x00000080      /* emit the "HttpOnly" attribute */
 #define PR_CK_SECURE    0x00000100      /* emit the "Secure" attribute */
+#define PR_CK_DYNAMIC   0x00000200	/* create dynamic cookies for each server */
 
 /* bits for sticking rules */
 #define STK_IS_MATCH	0x00000001	/* match on request fetch */
@@ -282,6 +283,7 @@
 	char *cookie_domain;			/* domain used to insert the cookie */
 	char *cookie_name;			/* name of the cookie to look for */
 	int  cookie_len;			/* strlen(cookie_name), computed only once */
+	char *dyncookie_key;			/* Secret key used to generate dynamic persistent cookies */
 	unsigned int cookie_maxidle;		/* max idle time for this cookie */
 	unsigned int cookie_maxlife;		/* max life time for this cookie */
 	int  rdp_cookie_len;			/* strlen(rdp_cookie_name), computed only once */
diff --git a/include/types/server.h b/include/types/server.h
index 51b7e53..feede6d 100644
--- a/include/types/server.h
+++ b/include/types/server.h
@@ -117,6 +117,7 @@
 #define SRV_F_CHECKADDR    0x0020        /* this server has a check addr configured */
 #define SRV_F_CHECKPORT    0x0040        /* this server has a check port configured */
 #define SRV_F_AGENTADDR    0x0080        /* this server has a agent addr configured */
+#define SRV_F_COOKIESET    0x0100        /* this server has a cookie configured, so don't generate dynamic cookies */
 
 /* configured server options for send-proxy (server->pp_opts) */
 #define SRV_PP_V1          0x0001        /* proxy protocol version 1 */