diff --git a/include/haproxy/listener-t.h b/include/haproxy/listener-t.h
index 6f4ae2fad..c712504c4 100644
--- a/include/haproxy/listener-t.h
+++ b/include/haproxy/listener-t.h
@@ -117,6 +117,10 @@ enum li_status {
 #define BC_O_USE_SSL            0x00000001 /* SSL is being used on this bind_conf */
 #define BC_O_GENERATE_CERTS     0x00000002 /* 1 if generate-certificates option is set, else 0 */
 #define BC_O_QUIC_FORCE_RETRY   0x00000004 /* always send Retry on reception of Initial without token */
+#define BC_O_USE_SOCK_DGRAM     0x00000008 /* at least one datagram-type listener is used */
+#define BC_O_USE_SOCK_STREAM    0x00000010 /* at least one stream-type listener is used */
+#define BC_O_USE_XPRT_DGRAM     0x00000020 /* at least one dgram-only xprt listener is used */
+#define BC_O_USE_XPRT_STREAM    0x00000040 /* at least one stream-only xprt listener is used */
 
 
 /* flags used with bind_conf->ssl_options */
diff --git a/src/cfgparse.c b/src/cfgparse.c
index 9def9b96e..d48efac9c 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -155,6 +155,15 @@ int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf,
 			goto fail;
 
 		/* OK the address looks correct */
+		if (proto->proto_type == PROTO_TYPE_DGRAM)
+			bind_conf->options |= BC_O_USE_SOCK_DGRAM;
+		else
+			bind_conf->options |= BC_O_USE_SOCK_STREAM;
+
+		if (proto->xprt_type == PROTO_TYPE_DGRAM)
+			bind_conf->options |= BC_O_USE_XPRT_DGRAM;
+		else
+			bind_conf->options |= BC_O_USE_XPRT_STREAM;
 
 #ifdef USE_QUIC
 		/* The transport layer automatically switches to QUIC when QUIC