From de4f5964d7a3c03aa800eff0674eef5e79c57b26 Mon Sep 17 00:00:00 2001
From: Cyberistic <Cyb3ristic@gmail.com>
Date: Mon, 16 Mar 2026 10:58:39 +0300
Subject: [PATCH] Include User-Agent header in OUI data download

Added User-Agent header to the request for OUI data.
---
 nmap_oui_update.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nmap_oui_update.py b/nmap_oui_update.py
index db7170a..19b8d61 100644
--- a/nmap_oui_update.py
+++ b/nmap_oui_update.py
@@ -97,7 +97,9 @@ def download_ieee_oui_file() -> bool:
     """ Downloads the OUI data from the IEEE """
     print_info("Downloading latest copy of OUI data from IEEE...")
     dst = os.path.join(get_root_program_path(), OUI_DATA)
-    res = requests.get(IEEE_URL)
+    headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"}
+    res = requests.get(IEEE_URL, headers=headers)
+
     if res.status_code == 200 and "(base 16)" in res.text:
         with open(dst, 'wt', encoding='utf-8') as fil:
             fil.write(res.text)