From c31288f3181b6859f4dce1c0885674ac03164282 Mon Sep 17 00:00:00 2001
From: Ludovic Poujol <lpoujol@evolix.fr>
Date: Tue, 14 Sep 2021 08:54:52 +0200
Subject: [PATCH] Correct is_ipv6

---
 minifirewall | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 mode change 100755 => 100644 minifirewall

diff --git a/minifirewall b/minifirewall
old mode 100755
new mode 100644
index 64002e8..d1049c9
--- a/minifirewall
+++ b/minifirewall
@@ -110,7 +110,7 @@ is_proxy_enabled() {
     test "${PROXY}" = "on"
 }
 is_ipv6() {
-    grep -q ':' "$1"
+    echo "$1" | grep -q ':' 
 }
 chain_exists() {
     chain_name="$1"