From dcec4a4d17e81f2429e8b1569ff7a092e5875637 Mon Sep 17 00:00:00 2001
From: DJ2LS <75909252+DJ2LS@users.noreply.github.com>
Date: Sun, 25 Dec 2022 12:55:52 +0100
Subject: [PATCH] attempt avoiding false positives for session id

---
 tnc/helpers.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tnc/helpers.py b/tnc/helpers.py
index 962e4d28..6fff1e25 100644
--- a/tnc/helpers.py
+++ b/tnc/helpers.py
@@ -331,6 +331,8 @@ def check_session_id(id: bytes, id_to_check: bytes):
         True
         False
     """
+    if id_to_check == b'\x00':
+        return False
     log.debug("[HLP] check_sessionid: Checking:", ownid=id, check=id_to_check)
     return id == id_to_check