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-rw-r--r--extensions/ebt_ip.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/extensions/ebt_ip.c b/extensions/ebt_ip.c
index 0deb3e0..91014e4 100644
--- a/extensions/ebt_ip.c
+++ b/extensions/ebt_ip.c
@@ -222,7 +222,7 @@ static void final_check(const struct ebt_u_entry *entry,
unsigned int hook_mask, unsigned int time)
{
if (entry->bitmask & EBT_NOPROTO || entry->bitmask & EBT_802_3 ||
- entry->ethproto != ETH_P_IP)
+ entry->ethproto != ETH_P_IP || entry->invflags & EBT_IPROTO)
print_error("For IP filtering the protocol must be "
"specified as IPv4");
}