From 9365276827b0b277d24959a18ec48a3eec39d6c8 Mon Sep 17 00:00:00 2001
From: Pipiasi Bogdan <pipiasibogdan@gmail.com>
Date: Tue, 16 Dec 2025 06:00:17 +0100
Subject: [PATCH] ipv4 only

---
 install.sh | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/install.sh b/install.sh
index 7c1523b..39d4aae 100644
--- a/install.sh
+++ b/install.sh
@@ -15,7 +15,7 @@ if [[ $EUID -ne 0 ]]; then
   exit 1
 fi
 
-echo " Installing Server Monitor Agent..."
+echo " Installing Server Monitor Agent (IPv4 only)..."
 
 # ============================
 # CREATE DIR
@@ -65,9 +65,9 @@ DISK_TOTAL=$(df -k / | awk 'NR==2 {print $2}')
 DISK_USED=$(df -k / | awk 'NR==2 {print $3}')
 
 # ============================
-# NETWORK (bytes)
+# NETWORK (IPv4 ONLY)
 # ============================
-IFACE=$(ip route get 1 | awk '{print $5; exit}')
+IFACE=$(ip -4 route get 1.1.1.1 2>/dev/null | awk '{print $5; exit}')
 RX_BYTES=$(cat /sys/class/net/$IFACE/statistics/rx_bytes)
 TX_BYTES=$(cat /sys/class/net/$IFACE/statistics/tx_bytes)
 
@@ -83,9 +83,9 @@ PROC_ZOMBIE=$(ps axo stat | grep -c Z || true)
 FAILED_SERVICES=$(systemctl --failed --no-legend 2>/dev/null | wc -l)
 
 # ============================
-# NETWORK PORTS
+# NETWORK PORTS (IPv4 ONLY)
 # ============================
-OPEN_PORTS=$(ss -lntu | tail -n +2 | wc -l)
+OPEN_PORTS=$(ss -4 -lntu | tail -n +2 | wc -l)
 
 # ============================
 # OS / KERNEL
@@ -100,9 +100,9 @@ ARCH=$(uname -m)
 UPTIME=$(uptime -p)
 
 # ============================
-# SEND DATA
+# SEND DATA (IPv4 FORCED)
 # ============================
-curl -s -X POST "$API_URL" \
+curl -4 -s -X POST "$API_URL" \
   -H "Content-Type: application/json" \
   -d "{
     \"hostname\": \"$HOSTNAME\",
@@ -139,16 +139,17 @@ EOF
 chmod +x "$AGENT"
 
 # ============================
-# CRON (free duplicate)
+# CRON (no duplicates)
 # ============================
-( crontab -l 2>/dev/null | grep -v "$AGENT" || true
+(
+  crontab -l 2>/dev/null | grep -v "$AGENT" || true
   echo "* * * * * $CRON_CMD"
 ) | crontab -
 
 # ============================
 # FINAL
 # ============================
-echo " Server Monitor installed successfully"
+echo " Server Monitor installed successfully (IPv4 only)"
 echo " Reporting to: $API_URL"
 echo " Interval: every 1 minute"
 echo " Test manual: $AGENT"