From 2b215a45e04ff21ce8aa8fb421b4b053ef63b6c2 Mon Sep 17 00:00:00 2001
From: Jason Ish <jason.ish@oisf.net>
Date: Mon, 5 Oct 2020 15:05:41 -0600
Subject: [PATCH] enip: set unidirection transaction flag

---
 src/app-layer-enip.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/app-layer-enip.c b/src/app-layer-enip.c
index 339edcb4bf..0bb841d67c 100644
--- a/src/app-layer-enip.c
+++ b/src/app-layer-enip.c
@@ -493,7 +493,8 @@ void RegisterENIPUDPParsers(void)
 
         AppLayerParserRegisterParserAcceptableDataDirection(IPPROTO_UDP,
                 ALPROTO_ENIP, STREAM_TOSERVER | STREAM_TOCLIENT);
-
+        AppLayerParserRegisterOptionFlags(
+                IPPROTO_UDP, ALPROTO_ENIP, APP_LAYER_PARSER_OPT_UNIDIR_TXS);
     } else
     {
         SCLogInfo(
@@ -576,6 +577,8 @@ void RegisterENIPTCPParsers(void)
         AppLayerParserRegisterOptionFlags(IPPROTO_TCP, ALPROTO_ENIP,
                 APP_LAYER_PARSER_OPT_ACCEPT_GAPS);
 
+        AppLayerParserRegisterOptionFlags(
+                IPPROTO_TCP, ALPROTO_ENIP, APP_LAYER_PARSER_OPT_UNIDIR_TXS);
     } else
     {
         SCLogConfig("Parser disabled for %s protocol. Protocol detection still on.",
-- 
2.47.2