From fb311e31ec630271457233fa858c8fcde069d28c Mon Sep 17 00:00:00 2001
From: aler9 <46489434+aler9@users.noreply.github.com>
Date: Fri, 5 Nov 2021 17:11:40 +0100
Subject: [PATCH] add missing check on strict encryption + UDP multicast

---
 internal/conf/conf.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/internal/conf/conf.go b/internal/conf/conf.go
index e09365ce..c5bd3805 100644
--- a/internal/conf/conf.go
+++ b/internal/conf/conf.go
@@ -270,7 +270,11 @@ func (conf *Conf) CheckAndFillMissing() error {
 
 	if conf.Encryption == EncryptionStrict {
 		if _, ok := conf.Protocols[Protocol(gortsplib.TransportUDP)]; ok {
-			return fmt.Errorf("strict encryption can't be used with the UDP transport")
+			return fmt.Errorf("strict encryption can't be used with the UDP transport protocol")
+		}
+
+		if _, ok := conf.Protocols[Protocol(gortsplib.TransportUDPMulticast)]; ok {
+			return fmt.Errorf("strict encryption can't be used with the UDP-multicast transport protocol")
 		}
 	}