diff --git a/include/types/proto_http.h b/include/types/proto_http.h
index 7313e25..c0350d2 100644
--- a/include/types/proto_http.h
+++ b/include/types/proto_http.h
@@ -231,6 +231,7 @@
 		} st;                          /* status line : field, length */
 	} sl;                                  /* start line */
 	unsigned long long hdr_content_len;    /* cache for parsed header value */
+	int err_pos;                           /* err handling: -2=block, -1=pass, 0+=detected */
 };
 
 /* This is an HTTP transaction. It contains both a request message and a
diff --git a/include/types/proxy.h b/include/types/proxy.h
index 432b27b..b10fc10 100644
--- a/include/types/proxy.h
+++ b/include/types/proxy.h
@@ -112,6 +112,8 @@
 #define PR_O2_SPLIC_RTR	0x00000002      /* transfer responses using linux kernel's splice() */
 #define PR_O2_SPLIC_AUT	0x00000004      /* automatically use linux kernel's splice() */
 #define PR_O2_SPLIC_ANY	(PR_O2_SPLIC_REQ|PR_O2_SPLIC_RTR|PR_O2_SPLIC_AUT)
+#define PR_O2_REQBUG_OK	0x00000008      /* let buggy requests pass through */
+#define PR_O2_RSPBUG_OK	0x00000010      /* let buggy responses pass through */
 
 /* This structure is used to apply fast weighted round robin on a server group */
 struct fwrr_group {