From ad25affcb7e40e64fa06c5f63e2eab0f12c7f517 Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Sat, 10 Feb 2024 09:16:27 +0100
Subject: reader_util: fix GRE detunneling (#2314)

---
 example/reader_util.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'example/reader_util.c')

diff --git a/example/reader_util.c b/example/reader_util.c
index bdf723e61..d42b92d25 100644
--- a/example/reader_util.c
+++ b/example/reader_util.c
@@ -1783,10 +1783,9 @@ static uint32_t ndpi_is_valid_gre_tunnel(const struct pcap_pkthdr *header,
   struct ndpi_gre_basehdr *grehdr = (struct ndpi_gre_basehdr*)&packet[offset];
   offset += sizeof(struct ndpi_gre_basehdr);
   /*
-    rfc-1701
     The GRE flags are encoded in the first two octets.  Bit 0 is the
     most significant bit, bit 15 is the least significant bit.  Bits
-    13 through 15 are reserved for the Version field.  Bits 5 through
+    13 through 15 are reserved for the Version field.  Bits 9 through
     12 are reserved for future use and MUST be transmitted as zero.
   */
   if(NDPI_GRE_IS_FLAGS(grehdr->flags))
-- 
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