$OpenBSD: patch-authenticate_c,v 1.8 2020/08/26 12:15:56 sthen Exp $

Index: authenticate.c
--- authenticate.c.orig
+++ authenticate.c
@@ -349,7 +349,7 @@ void auth_client(int fd, const char *user, const char 
 	char pass2[MAX_DIGEST_LEN*2];
 
 	if (!user || !*user)
-		user = "nobody";
+		user = "_rsync";
 
 	if (!(pass = getpassf(password_file))
 	 && !(pass = getenv("RSYNC_PASSWORD"))) {
