diff --git a/ipf b/ipf
index 69e088c..38be4cd 100755
--- a/ipf
+++ b/ipf
@@ -1,71 +1,112 @@
 #!/bin/bash
-# Name: ipfn
-# Version: 1.2.4
+# Name: ipf
+# Version: 1.4.7
 # Date: 2026-01-22
-# Description: Enhanced for VM/LXD/Docker with bridge-nf tuning and robust forwarding.
+# Description: Modern port forwarding tool. Replaces complex iptables workflows.
 
 if [ "$(id -u)" -ne 0 ]; then
     exec sudo "$0" "$@"
 fi
 
-TABLE_NAME="ipf_wrapper"
+TABLE_NAME="ipf"
+VERSION="1.4.7"
 PROTO="tcp"
 FORCE_FLAG=false
 SKIP_TEST=false
 QUIET_MODE=false
 
-# --- 1. Utility & Core Setup ---
+# --- 1. Functions ---
+
+show_help() {
+    echo "ipf version ${VERSION}"
+    echo "Usage: ipf [OPTIONS] [RULES]"
+    echo ""
+    echo "Options:"
+    echo "  -l, -L                List all forwarding rules"
+    echo "  -d HANDLE/:PORT/all   Delete by handle, port (e.g. :80), or 'all'"
+    echo "  -R                    Reset: Clear ALL ipf rules immediately"
+    echo "  -t [TARGET]           Test connectivity (Handle, :Port, or Addr:Port)"
+    echo "  -f                    Force: Skip confirmation and testing"
+    echo "  -q                    Quiet mode: No output (implies -f)"
+    echo "  -h, --help            Show this help message"
+    echo ""
+    echo "Rules Syntax:"
+    echo "  LPORT:TIP:TPORT       Forward LPORT to TIP:TPORT"
+    echo "  LPORT:TPORT           Forward LPORT to 127.0.0.1:TPORT"
+    echo "  LPORT                 Forward LPORT to 127.0.0.1:LPORT"
+}
 
 msg() { [[ "$QUIET_MODE" == false ]] && echo -e "$@"; }
 
 init_nft() {
-    nft add table inet ${TABLE_NAME} 2>/dev/null
-    # NAT Chains
-    nft add chain inet ${TABLE_NAME} prerouting { type nat hook prerouting priority -100 \; } 2>/dev/null
-    nft add chain inet ${TABLE_NAME} output { type nat hook output priority -100 \; } 2>/dev/null
-    nft add chain inet ${TABLE_NAME} postrouting { type nat hook postrouting priority 100 \; } 2>/dev/null
-    # Filter Chain (For VM/CT Forwarding)
-    nft add chain inet ${TABLE_NAME} forward { type filter hook forward priority 0 \; policy accept \; } 2>/dev/null
+    # 旧 ipf_wrapper があれば削除を試みる（移行用）
+    nft delete table inet ipf_wrapper 2>/dev/null
+    
+    nft add table inet "${TABLE_NAME}" 2>/dev/null
+    nft add chain inet "${TABLE_NAME}" prerouting { type nat hook prerouting priority -100 \; } 2>/dev/null
+    nft add chain inet "${TABLE_NAME}" output { type nat hook output priority -100 \; } 2>/dev/null
+    nft add chain inet "${TABLE_NAME}" postrouting { type nat hook postrouting priority 100 \; } 2>/dev/null
+    nft add chain inet "${TABLE_NAME}" forward { type filter hook forward priority 0 \; policy accept \; } 2>/dev/null
 }
 
-enable_forwarding() {
-    msg "Optimizing kernel parameters for VM/LXD/Docker..."
-    sysctl -w net.ipv4.ip_forward=1 >/dev/null
-    sysctl -w net.ipv6.conf.all.forwarding=1 >/dev/null
-    sysctl -w net.ipv4.conf.all.route_localnet=1 >/dev/null
-    # ブリッジパケットをNetfilterに渡す設定 (存在する場合のみ)
-    sysctl -w net.bridge.bridge-nf-call-iptables=1 2>/dev/null
-    sysctl -w net.bridge.bridge-nf-call-ip6tables=1 2>/dev/null
-    msg "\e[32mForwarding and Bridge-NF enabled.\e[0m"
+get_total_packets() {
+    local uuid=$1
+    local total=0
+    local counts=$(nft list table inet "${TABLE_NAME}" 2>/dev/null | grep "$uuid" | grep -o 'packets [0-9]*' | awk '{print $2}')
+    for c in $counts; do total=$((total + c)); done
+    echo "$total"
 }
 
-show_help() {
-    echo "Usage: ipfn [OPTIONS] [RULES]"
-    echo ""
-    echo "Rules Format:"
-    echo "  80:10.10.100.5:8080   Full (LocalPort:TargetIP:TargetPort)"
-    echo "  80:8080               IP defaults to 127.0.0.1"
-    echo "  11434                 Map same port to 127.0.0.1"
-    echo ""
-    echo "Options:"
-    echo "  -l, -L                List all rules"
-    echo "  -d HANDLE/:PORT/all   Delete specific rules or '*' for all"
-    echo "  -R                    Reset: Clear ALL rules immediately"
-    echo "  -q                    Quiet mode (No output, Auto-yes)"
-    echo "  -t [HANDLE]           Test connectivity"
-    echo "  -f                    Enable IP forward & Bridge tuning / Skip test"
-    echo "  -v                    Verbose (raw nftables output)"
-    echo "  -h                    Show this help"
+test_connection() {
+    local ip=$1
+    local port=$2
+    nc -z -v -w 1 "$ip" "$port" >/dev/null 2>&1
+}
+
+test_strict_handle() {
+    local h=$1
+    local info=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "handle $h")
+    [[ -z "$info" ]] && { echo -e "Handle $h \e[31mNOT FOUND\e[0m"; return; }
+    
+    local lp=$(echo "$info" | grep -o 'dport [0-9]*' | awk '{print $2}')
+    local target=$(echo "$info" | grep -oE 'to ([0-9.]+|\[[0-9a-fA-F:]+\]):[0-9]+' | awk '{print $2}')
+    local tip=$(echo "$target" | cut -d':' -f1 | tr -d '[]')
+    local tp=$(echo "$target" | cut -d':' -f2)
+    local uuid=$(echo "$info" | grep -o 'ipf-id:[a-z0-9-]*')
+    local short_id=$(echo "$uuid" | cut -d':' -f2 | cut -c1-8)
+
+    echo -n "Testing handle $h (Local :$lp -> Target $tip:$tp) [${short_id}]... "
+    local count_before=$(get_total_packets "$uuid")
+    
+    if test_connection "$tip" "$tp"; then
+        nc -z -v -w 1 127.0.0.1 "$lp" >/dev/null 2>&1
+        sleep 0.1
+        local count_after=$(get_total_packets "$uuid")
+        if (( count_after > count_before )); then
+            echo -e "\e[32mPASSED (Rule active & Target UP)\e[0m"
+        else
+            echo -e "\e[33mSKIPPED (Target UP, but blocked by prior rule)\e[0m"
+        fi
+    else
+        nc -z -v -w 1 127.0.0.1 "$lp" >/dev/null 2>&1
+        sleep 0.1
+        local count_after=$(get_total_packets "$uuid")
+        if (( count_after > count_before )); then
+            echo -e "\e[33mOFFLINE (Rule matched, but Target Down)\e[0m"
+        else
+            echo -e "\e[31mFAILED (Target Down & Rule blocked)\e[0m"
+        fi
+    fi
 }
 
 list_rules() {
     [[ "$QUIET_MODE" == true ]] && return
     local highlight_uuid=$1
     init_nft
-    msg "Forwarding Rules (ipfn):"
+    msg "Forwarding Rules (ipf):"
     printf "%-10s %-6s %-20s %-20s %-10s\n" "HANDLE" "PROTO" "LOCAL" "TARGET" "UUID"
     echo "-----------------------------------------------------------------------------------"
-    nft -a list chain inet ${TABLE_NAME} prerouting | grep "dnat" | while read -r line; do
+    nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "dnat" | while read -r line; do
         handle=$(echo "$line" | grep -o 'handle [0-9]*' | awk '{print $2}')
         proto=$(echo "$line" | grep -q "udp" && echo "udp" || echo "tcp")
         target=$(echo "$line" | grep -oE '([0-9.]+|\[[0-9a-fA-F:]+\]):[0-9]+' | head -n 1)
@@ -74,163 +115,105 @@ list_rules() {
         if [[ -n "$highlight_uuid" && "$full_uuid" == "$highlight_uuid" ]]; then
             printf "\e[1;36m*%-9s %-6s %-20s %-20s %-10s\e[0m\n" "$handle" "$proto" ":$lport" "$target" "${full_uuid:0:8}"
         else
-            printf "%-10s %-6s %-20s %-20s %-10s\n" "$handle" "$proto" ":$lport" "$target" "${full_uuid:0:8}"
+            printf " %-9s %-6s %-20s %-20s %-10s\n" "$handle" "$proto" ":$lport" "$target" "${full_uuid:0:8}"
         fi
     done
 }
 
-test_rule_by_port() {
-    [[ "$QUIET_MODE" == true ]] && return
-    local lp=$1
-    echo -n "Testing connectivity to :$lp... "
-    if nc -z -v -w 2 127.0.0.1 "$lp" 2>&1 | grep -iqE "succeeded|connected|open"; then
-        echo -e "\e[32mOK\e[0m"
-    else
-        echo -e "\e[31mFAILED\e[0m"
-    fi
-}
-
-# --- 2. Deletion Logic ---
-
-validate_rule_handle() {
-    nft -a list chain inet ${TABLE_NAME} prerouting | grep "handle $1" | grep -q "dnat"
-}
-
 all_clear() {
     if [[ "$FORCE_FLAG" == false ]]; then
-        msg "\e[33mWarning: This will delete ALL forwarding rules.\e[0m"
+        echo -e "\e[33mWarning: This will delete ALL ipf rules.\e[0m"
         read -p "Are you sure? (y/N): " confirm
         [[ ! "$confirm" =~ ^[yY]$ ]] && exit 0
     fi
-    nft delete table inet ${TABLE_NAME} 2>/dev/null
-    init_nft
-    msg "All rules cleared successfully."
-    exit 0
+    nft delete table inet "${TABLE_NAME}" 2>/dev/null
+    init_nft; msg "All ipf rules cleared."; list_rules; exit 0 
 }
 
-parse_delete_targets() {
-    local input=$1
-    local -a final_handles=()
-    [[ "$input" == "*" || "$input" == "all" ]] && all_clear
-    IFS=',' read -r -a parts <<< "$input"
-    for part in "${parts[@]}"; do
-        if [[ "$part" =~ ^:([0-9]+)$ ]]; then
-            local target_port="${BASH_REMATCH[1]}"
-            local found_h=$(nft -a list chain inet ${TABLE_NAME} prerouting | grep "dport $target_port" | grep -o 'handle [0-9]*' | awk '{print $2}')
-            for h in $found_h; do final_handles+=("$h"); done
-        elif [[ "$part" =~ ^([0-9]+)-([0-9]+)$ ]]; then
-            for ((i=${BASH_REMATCH[1]}; i<=${BASH_REMATCH[2]}; i++)); do
-                validate_rule_handle "$i" && final_handles+=("$i")
-            done
-        else
-            validate_rule_handle "$part" && final_handles+=("$part")
-        fi
-    done
-    echo "${final_handles[@]}"
-}
-
-# --- 3. Adding Logic ---
-
-add_rule() {
-    init_nft
-    local raw_input=$1
-    local lp tip tp
-
-    if [[ "$raw_input" =~ ^([0-9]+):([0-9\.]+):([0-9]+)$ ]]; then
-        lp=${BASH_REMATCH[1]}; tip=${BASH_REMATCH[2]}; tp=${BASH_REMATCH[3]}
-    elif [[ "$raw_input" =~ ^([0-9]+):([0-9]+)$ ]]; then
-        lp=${BASH_REMATCH[1]}; tip="127.0.0.1"; tp=${BASH_REMATCH[2]}
-    elif [[ "$raw_input" =~ ^([0-9]+)$ ]]; then
-        lp=${BASH_REMATCH[1]}; tip="127.0.0.1"; tp=${BASH_REMATCH[1]}
-    else
-        msg "\e[31mError: Invalid rule format '$raw_input'\e[0m"; exit 1
-    fi
-
-    local raw_uuid=$(cat /proc/sys/kernel/random/uuid)
-    local uuid="ipf-id:$raw_uuid"
-    local family="ip"; [[ "$tip" =~ : ]] && family="ip6"
-
-    # DNAT
-    nft add rule inet ${TABLE_NAME} prerouting "$PROTO" dport "$lp" dnat $family to "$tip:$tp" comment "\"$uuid\""
-    nft add rule inet ${TABLE_NAME} output "$PROTO" dport "$lp" dnat $family to "$tip:$tp" comment "\"$uuid\""
-    
-    # FORWARD (VM/CT対応)
-    nft add rule inet ${TABLE_NAME} forward $family daddr "$tip" "$PROTO" dport "$tp" ct state new,established,related accept comment "\"$uuid\""
-    nft add rule inet ${TABLE_NAME} forward $family saddr "$tip" "$PROTO" sport "$tp" ct state established,related accept comment "\"$uuid\""
-    nft add rule inet ${TABLE_NAME} forward iifname "lo" accept comment "\"$uuid\""
-    
-    # POSTROUTING (MASQUERADE: 戻りパケットの保証)
-    nft add rule inet ${TABLE_NAME} postrouting $family daddr "$tip" "$PROTO" dport "$tp" masquerade comment "\"$uuid\""
-    
-    list_rules "$raw_uuid"
-    [[ "$SKIP_TEST" == false ]] && { echo ""; test_rule_by_port "$lp"; }
-}
-
-# --- 4. Main Parsing ---
+# --- 2. Flag Pre-processing ---
 
 for arg in "$@"; do
     [[ "$arg" =~ q ]] && QUIET_MODE=true && FORCE_FLAG=true && SKIP_TEST=true
     [[ "$arg" =~ f ]] && FORCE_FLAG=true && SKIP_TEST=true
     [[ "$arg" == "-R" ]] && RESET_MODE=true
+    [[ "$arg" == "--version" ]] && { echo "ipf version ${VERSION}"; exit 0; }
 done
 
 if [[ "$RESET_MODE" == true ]]; then all_clear; fi
-
 if [[ $# -eq 0 ]]; then list_rules; exit 0; fi
 
+# --- 3. Main Loop ---
+
 while [[ $# -gt 0 ]]; do
     case "$1" in
         -h|--help) show_help; exit 0 ;;
-        -v|--verbose) nft list table inet ${TABLE_NAME}; exit 0 ;;
         -L|-l) list_rules; exit 0 ;;
-        -f)
-            enable_forwarding
-            [[ $# -eq 1 ]] && exit 0 ;;
-        -t*)
-            h_str="${1#-t}"
-            if [[ -z "$h_str" && ( "$2" =~ ^[0-9,-]+$ ) ]]; then h_str="$2"; shift; fi
-            if [[ -z "$h_str" ]]; then
-                count=$(nft list chain inet ${TABLE_NAME} prerouting | grep -c "dnat")
-                if [ "$count" -eq 1 ]; then
-                    h_str=$(nft -a list chain inet ${TABLE_NAME} prerouting | grep "handle" | awk '{print $NF}')
-                else
-                    msg "Error: Multiple rules exist. Specify a handle."; exit 1
-                fi
-            fi
-            lp=$(nft -a list chain inet ${TABLE_NAME} prerouting | grep "handle $h_str" | grep -o 'dport [0-9]*' | awk '{print $2}')
-            [[ -n "$lp" ]] && test_rule_by_port "$lp" || msg "Error: Handle $h_str not found."
-            exit 0 ;;
         -*[d]*)
             h_str=$(echo "$1" | sed -E 's/^-q?d?f?//')
             [[ -z "$h_str" ]] && { h_str="$2"; shift; }
-            handles=($(parse_delete_targets "$h_str"))
-            [[ ${#handles[@]} -eq 0 ]] && { msg "No valid targets."; exit 1; }
-            if [[ "$FORCE_FLAG" == false ]]; then
-                msg "Review rules to delete (Top-level only):"
-                for h in "${handles[@]}"; do
-                    nft -a list chain inet ${TABLE_NAME} prerouting | grep "handle $h" | sed 's/^/  /'
-                done
-                read -p "Delete these rules and their sub-rules? (y/N): " confirm
-                [[ ! "$confirm" =~ ^[yY]$ ]] && exit 0
-            fi
+            if [[ "$h_str" == "all" || "$h_str" == "*" ]]; then all_clear; fi
+            handles=()
+            IFS=',' read -r -a parts <<< "$h_str"
+            for part in "${parts[@]}"; do
+                if [[ "$part" =~ ^:([0-9]+)$ ]]; then
+                    p="${BASH_REMATCH[1]}"
+                    for h in $(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "dport $p" | grep -o 'handle [0-9]*' | awk '{print $2}'); do handles+=("$h"); done
+                else handles+=("$part"); fi
+            done
             for h in "${handles[@]}"; do
-                ri=$(nft -a list chain inet ${TABLE_NAME} prerouting | grep "handle $h")
-                [[ -z "$ri" ]] && continue
-                uuid=$(echo "$ri" | grep -o 'ipf-id:[a-z0-9-]*' | head -n 1)
+                uuid=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "handle $h" | grep -o 'ipf-id:[a-z0-9-]*')
+                [[ -z "$uuid" ]] && continue
                 for c in prerouting output forward postrouting; do
-                    nft -a list chain inet ${TABLE_NAME} "$c" | grep "$uuid" | grep -o 'handle [0-9]*' | awk '{print $2}' | while read -r rh; do
-                        nft delete rule inet ${TABLE_NAME} "$c" handle "$rh"
+                    nft -a list chain inet "${TABLE_NAME}" "$c" 2>/dev/null | grep "$uuid" | grep -o 'handle [0-9]*' | awk '{print $2}' | while read -r rh; do
+                        nft delete rule inet "${TABLE_NAME}" "$c" handle "$rh"
                     done
                 done
-                msg "Deleted associated with handle $h"
+                msg "Deleted handle $h"
             done
             list_rules; exit 0 ;;
-        *)
-            if [[ "$1" =~ ^[0-9] ]]; then
-                add_rule "$1"; exit 0
+        -t*)
+            h_str="${1#-t}"; [[ -z "$h_str" && -n "$2" ]] && { h_str="$2"; shift; }
+            if [[ "$h_str" =~ ^([0-9]+):([0-9\.]+):([0-9]+)$ ]]; then
+                lp=${BASH_REMATCH[1]}; tip=${BASH_REMATCH[2]}; tp=${BASH_REMATCH[3]}
+                echo -n "Checking Target $tip:$tp... "
+                test_connection "$tip" "$tp" && echo -e "\e[32mUP\e[0m" || echo -e "\e[31mDOWN\e[0m"
+                echo -n "Checking Local :$lp... "
+                nc -z -v -w 1 127.0.0.1 "$lp" >/dev/null 2>&1 && echo -e "\e[32mOPEN\e[0m" || echo -e "\e[31mCLOSED\e[0m"
+            elif [[ "$h_str" =~ ^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+):([0-9]+)$ ]]; then
+                tip=${BASH_REMATCH[1]}; tp=${BASH_REMATCH[2]}
+                echo -n "Checking Target $tip:$tp... "
+                test_connection "$tip" "$tp" && echo -e "\e[32mUP\e[0m" || echo -e "\e[31mDOWN\e[0m"
+            elif [[ "$h_str" =~ ^:([0-9]+)$ || "$h_str" =~ ^([0-9]+):$ ]]; then
+                p="${BASH_REMATCH[1]}${BASH_REMATCH[2]}"
+                echo -n "Checking Local :$p... "
+                nc -z -v -w 1 127.0.0.1 "$p" >/dev/null 2>&1 && echo -e "\e[32mOK\e[0m" || echo -e "\e[31mOFFLINE\e[0m"
+            elif [[ "$h_str" =~ ^[0-9]+$ ]]; then
+                test_strict_handle "$h_str"
             else
-                msg "\e[31mError: Unknown option '$1'\e[0m\n"; show_help; exit 1
-            fi ;;
+                top_h=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "dnat" | head -n 1 | grep -o 'handle [0-9]*' | awk '{print $2}')
+                [[ -n "$top_h" ]] && test_strict_handle "$top_h" || msg "Error: No rules to test."
+            fi
+            exit 0 ;;
+        [0-9]*)
+            init_nft; raw="$1"
+            if [[ "$raw" =~ ^([0-9]+):([0-9\.]+):([0-9]+)$ ]]; then lp=${BASH_REMATCH[1]}; tip=${BASH_REMATCH[2]}; tp=${BASH_REMATCH[3]}
+            elif [[ "$raw" =~ ^([0-9]+):([0-9]+)$ ]]; then lp=${BASH_REMATCH[1]}; tip="127.0.0.1"; tp=${BASH_REMATCH[2]}
+            elif [[ "$raw" =~ ^([0-9]+)$ ]]; then lp=${BASH_REMATCH[1]}; tip="127.0.0.1"; tp=${BASH_REMATCH[1]}
+            fi
+            u_raw=$(cat /proc/sys/kernel/random/uuid); u="ipf-id:$u_raw"; fam="ip"; [[ "$tip" =~ : ]] && fam="ip6"
+            nft insert rule inet "${TABLE_NAME}" prerouting "$PROTO" dport "$lp" counter dnat $fam to "$tip:$tp" comment "\"$u\""
+            nft insert rule inet "${TABLE_NAME}" output "$PROTO" dport "$lp" counter dnat $fam to "$tip:$tp" comment "\"$u\""
+            nft insert rule inet "${TABLE_NAME}" forward $fam daddr "$tip" "$PROTO" dport "$tp" ct state new,established,related accept comment "\"$u\""
+            nft insert rule inet "${TABLE_NAME}" forward $fam saddr "$tip" "$PROTO" sport "$tp" ct state established,related accept comment "\"$u\""
+            nft insert rule inet "${TABLE_NAME}" forward iifname "lo" accept comment "\"$u\""
+            nft insert rule inet "${TABLE_NAME}" postrouting $fam daddr "$tip" "$PROTO" dport "$tp" masquerade comment "\"$u\""
+            list_rules "$u_raw"
+            if [[ "$SKIP_TEST" == false ]]; then
+                new_h=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "$u_raw" | grep -o 'handle [0-9]*' | awk '{print $2}')
+                echo ""; test_strict_handle "$new_h"
+            fi
+            exit 0 ;;
+        *) msg "Error: Unknown option '$1'"; exit 1 ;;
     esac
     shift
 done
diff --git a/ipfn b/ipfn
deleted file mode 100755
index 829ef83..0000000
--- a/ipfn
+++ /dev/null
@@ -1,224 +0,0 @@
-#!/bin/bash
-# Name: ipfn
-# Version: 1.4.6
-# Date: 2026-01-22
-# Description: Restored full help message and kept fixed regex for multi-pattern testing.
-
-if [ "$(id -u)" -ne 0 ]; then
-    exec sudo "$0" "$@"
-fi
-
-TABLE_NAME="ipf_wrapper"
-VERSION="1.4.6"
-PROTO="tcp"
-FORCE_FLAG=false
-SKIP_TEST=false
-QUIET_MODE=false
-
-# --- 1. Functions ---
-
-show_help() {
-    echo "ipfn version ${VERSION}"
-    echo "Usage: ipfn [OPTIONS] [RULES]"
-    echo ""
-    echo "Options:"
-    echo "  -l, -L                List all forwarding rules"
-    echo "  -d HANDLE/:PORT/all   Delete by handle, port (e.g. :80), or 'all'"
-    echo "  -R                    Reset: Clear ALL rules immediately"
-    echo "  -t [TARGET]           Test connectivity (See 'Test Patterns' below)"
-    echo "  -f                    Force: No confirmation & Skip test"
-    echo "  -q                    Quiet mode: No output (implies -f)"
-    echo "  -h, --help            Show this help message"
-    echo ""
-    echo "Rules Syntax:"
-    echo "  LPORT:TIP:TPORT       Forward LPORT to TIP:TPORT (e.g. 80:10.0.0.1:80)"
-    echo "  LPORT:TPORT           Forward LPORT to 127.0.0.1:TPORT"
-    echo "  LPORT                 Forward LPORT to 127.0.0.1:LPORT"
-    echo ""
-    echo "Test Patterns (-t):"
-    echo "  -t 5                  Strict test: Verify Handle 5 (Entry -> Exit -> Counter)"
-    echo "  -t :80                Simple test: Check if Local port :80 is open"
-    echo "  -t 1.1.1.1:80         Direct test: Check if Target 1.1.1.1:80 is UP"
-    echo "  -t 80:1.1.1.1:80      Full test: Check both Target UP and Local :80 OPEN"
-    echo ""
-    echo "Note: New rules are INSERTED at the top (Latest rule takes priority)."
-}
-
-msg() { [[ "$QUIET_MODE" == false ]] && echo -e "$@"; }
-
-init_nft() {
-    nft add table inet "${TABLE_NAME}" 2>/dev/null
-    nft add chain inet "${TABLE_NAME}" prerouting { type nat hook prerouting priority -100 \; } 2>/dev/null
-    nft add chain inet "${TABLE_NAME}" output { type nat hook output priority -100 \; } 2>/dev/null
-    nft add chain inet "${TABLE_NAME}" postrouting { type nat hook postrouting priority 100 \; } 2>/dev/null
-    nft add chain inet "${TABLE_NAME}" forward { type filter hook forward priority 0 \; policy accept \; } 2>/dev/null
-}
-
-get_total_packets() {
-    local uuid=$1
-    local total=0
-    local counts=$(nft list table inet "${TABLE_NAME}" 2>/dev/null | grep "$uuid" | grep -o 'packets [0-9]*' | awk '{print $2}')
-    for c in $counts; do total=$((total + c)); done
-    echo "$total"
-}
-
-test_connection() {
-    local ip=$1
-    local port=$2
-    nc -z -v -w 1 "$ip" "$port" >/dev/null 2>&1
-}
-
-test_strict_handle() {
-    local h=$1
-    local info=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "handle $h")
-    [[ -z "$info" ]] && { echo -e "Handle $h \e[31mNOT FOUND\e[0m"; return; }
-    
-    local lp=$(echo "$info" | grep -o 'dport [0-9]*' | awk '{print $2}')
-    local target=$(echo "$info" | grep -oE 'to ([0-9.]+|\[[0-9a-fA-F:]+\]):[0-9]+' | awk '{print $2}')
-    local tip=$(echo "$target" | cut -d':' -f1 | tr -d '[]')
-    local tp=$(echo "$target" | cut -d':' -f2)
-    local uuid=$(echo "$info" | grep -o 'ipf-id:[a-z0-9-]*')
-    local short_id=$(echo "$uuid" | cut -d':' -f2 | cut -c1-8)
-
-    echo -n "Testing handle $h (Local :$lp -> Target $tip:$tp) [${short_id}]... "
-    local count_before=$(get_total_packets "$uuid")
-    
-    if test_connection "$tip" "$tp"; then
-        nc -z -v -w 1 127.0.0.1 "$lp" >/dev/null 2>&1
-        sleep 0.1
-        local count_after=$(get_total_packets "$uuid")
-        if (( count_after > count_before )); then
-            echo -e "\e[32mPASSED (Rule active & Target UP)\e[0m"
-        else
-            echo -e "\e[33mSKIPPED (Target UP, but blocked by prior rule)\e[0m"
-        fi
-    else
-        nc -z -v -w 1 127.0.0.1 "$lp" >/dev/null 2>&1
-        sleep 0.1
-        local count_after=$(get_total_packets "$uuid")
-        if (( count_after > count_before )); then
-            echo -e "\e[33mOFFLINE (Rule matched, but Target Down)\e[0m"
-        else
-            echo -e "\e[31mFAILED (Target Down & Rule blocked)\e[0m"
-        fi
-    fi
-}
-
-list_rules() {
-    [[ "$QUIET_MODE" == true ]] && return
-    local highlight_uuid=$1
-    init_nft
-    msg "Forwarding Rules (ipfn):"
-    printf "%-10s %-6s %-20s %-20s %-10s\n" "HANDLE" "PROTO" "LOCAL" "TARGET" "UUID"
-    echo "-----------------------------------------------------------------------------------"
-    nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "dnat" | while read -r line; do
-        handle=$(echo "$line" | grep -o 'handle [0-9]*' | awk '{print $2}')
-        proto=$(echo "$line" | grep -q "udp" && echo "udp" || echo "tcp")
-        target=$(echo "$line" | grep -oE '([0-9.]+|\[[0-9a-fA-F:]+\]):[0-9]+' | head -n 1)
-        lport=$(echo "$line" | grep -o 'dport [0-9]*' | awk '{print $2}')
-        full_uuid=$(echo "$line" | grep -o 'ipf-id:[a-z0-9-]*' | cut -d':' -f2)
-        if [[ -n "$highlight_uuid" && "$full_uuid" == "$highlight_uuid" ]]; then
-            printf "\e[1;36m*%-9s %-6s %-20s %-20s %-10s\e[0m\n" "$handle" "$proto" ":$lport" "$target" "${full_uuid:0:8}"
-        else
-            printf " %-9s %-6s %-20s %-20s %-10s\n" "$handle" "$proto" ":$lport" "$target" "${full_uuid:0:8}"
-        fi
-    done
-}
-
-all_clear() {
-    if [[ "$FORCE_FLAG" == false ]]; then
-        echo -e "\e[33mWarning: This will delete ALL forwarding rules.\e[0m"
-        read -p "Are you sure? (y/N): " confirm
-        [[ ! "$confirm" =~ ^[yY]$ ]] && exit 0
-    fi
-    nft delete table inet "${TABLE_NAME}" 2>/dev/null
-    init_nft; msg "All rules cleared successfully."; list_rules; exit 0 
-}
-
-# --- 2. Flag Pre-processing ---
-
-for arg in "$@"; do
-    [[ "$arg" =~ q ]] && QUIET_MODE=true && FORCE_FLAG=true && SKIP_TEST=true
-    [[ "$arg" =~ f ]] && FORCE_FLAG=true && SKIP_TEST=true
-    [[ "$arg" == "-R" ]] && RESET_MODE=true
-    [[ "$arg" == "--version" ]] && { echo "ipfn version ${VERSION}"; exit 0; }
-done
-
-if [[ "$RESET_MODE" == true ]]; then all_clear; fi
-if [[ $# -eq 0 ]]; then list_rules; exit 0; fi
-
-# --- 3. Main Loop ---
-
-while [[ $# -gt 0 ]]; do
-    case "$1" in
-        -h|--help) show_help; exit 0 ;;
-        -L|-l) list_rules; exit 0 ;;
-        -*[d]*)
-            h_str=$(echo "$1" | sed -E 's/^-q?d?f?//')
-            [[ -z "$h_str" ]] && { h_str="$2"; shift; }
-            if [[ "$h_str" == "all" || "$h_str" == "*" ]]; then all_clear; fi
-            handles=()
-            IFS=',' read -r -a parts <<< "$h_str"
-            for part in "${parts[@]}"; do
-                if [[ "$part" =~ ^:([0-9]+)$ ]]; then
-                    p="${BASH_REMATCH[1]}"
-                    for h in $(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "dport $p" | grep -o 'handle [0-9]*' | awk '{print $2}'); do handles+=("$h"); done
-                else handles+=("$part"); fi
-            done
-            for h in "${handles[@]}"; do
-                uuid=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "handle $h" | grep -o 'ipf-id:[a-z0-9-]*')
-                [[ -z "$uuid" ]] && continue
-                for c in prerouting output forward postrouting; do
-                    nft -a list chain inet "${TABLE_NAME}" "$c" 2>/dev/null | grep "$uuid" | grep -o 'handle [0-9]*' | awk '{print $2}' | while read -r rh; do
-                        nft delete rule inet "${TABLE_NAME}" "$c" handle "$rh"
-                    done
-                done
-                msg "Deleted handle $h"
-            done
-            list_rules; exit 0 ;;
-        -t*)
-            h_str="${1#-t}"; [[ -z "$h_str" && -n "$2" ]] && { h_str="$2"; shift; }
-            if [[ "$h_str" =~ ^([0-9]+):([0-9\.]+):([0-9]+)$ ]]; then
-                lp=${BASH_REMATCH[1]}; tip=${BASH_REMATCH[2]}; tp=${BASH_REMATCH[3]}
-                echo -n "Checking Target $tip:$tp... "
-                test_connection "$tip" "$tp" && echo -e "\e[32mUP\e[0m" || echo -e "\e[31mDOWN\e[0m"
-                echo -n "Checking Local :$lp... "
-                nc -z -v -w 1 127.0.0.1 "$lp" >/dev/null 2>&1 && echo -e "\e[32mOPEN\e[0m" || echo -e "\e[31mCLOSED\e[0m"
-            elif [[ "$h_str" =~ ^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+):([0-9]+)$ ]]; then
-                tip=${BASH_REMATCH[1]}; tp=${BASH_REMATCH[2]}
-                echo -n "Checking Target $tip:$tp... "
-                test_connection "$tip" "$tp" && echo -e "\e[32mUP\e[0m" || echo -e "\e[31mDOWN\e[0m"
-            elif [[ "$h_str" =~ ^:([0-9]+)$ || "$h_str" =~ ^([0-9]+):$ ]]; then
-                p="${BASH_REMATCH[1]}${BASH_REMATCH[2]}"
-                echo -n "Checking Local :$p... "
-                nc -z -v -w 1 127.0.0.1 "$p" >/dev/null 2>&1 && echo -e "\e[32mOK\e[0m" || echo -e "\e[31mOFFLINE\e[0m"
-            elif [[ "$h_str" =~ ^[0-9]+$ ]]; then
-                test_strict_handle "$h_str"
-            else
-                top_h=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "dnat" | head -n 1 | grep -o 'handle [0-9]*' | awk '{print $2}')
-                [[ -n "$top_h" ]] && test_strict_handle "$top_h" || msg "Error: No rules to test."
-            fi
-            exit 0 ;;
-        [0-9]*)
-            init_nft; raw="$1"
-            if [[ "$raw" =~ ^([0-9]+):([0-9\.]+):([0-9]+)$ ]]; then lp=${BASH_REMATCH[1]}; tip=${BASH_REMATCH[2]}; tp=${BASH_REMATCH[3]}
-            elif [[ "$raw" =~ ^([0-9]+):([0-9]+)$ ]]; then lp=${BASH_REMATCH[1]}; tip="127.0.0.1"; tp=${BASH_REMATCH[2]}
-            elif [[ "$raw" =~ ^([0-9]+)$ ]]; then lp=${BASH_REMATCH[1]}; tip="127.0.0.1"; tp=${BASH_REMATCH[1]}
-            fi
-            u_raw=$(cat /proc/sys/kernel/random/uuid); u="ipf-id:$u_raw"; fam="ip"; [[ "$tip" =~ : ]] && fam="ip6"
-            nft insert rule inet "${TABLE_NAME}" prerouting "$PROTO" dport "$lp" counter dnat $fam to "$tip:$tp" comment "\"$u\""
-            nft insert rule inet "${TABLE_NAME}" output "$PROTO" dport "$lp" counter dnat $fam to "$tip:$tp" comment "\"$u\""
-            nft insert rule inet "${TABLE_NAME}" forward $fam daddr "$tip" "$PROTO" dport "$tp" ct state new,established,related accept comment "\"$u\""
-            nft insert rule inet "${TABLE_NAME}" forward $fam saddr "$tip" "$PROTO" sport "$tp" ct state established,related accept comment "\"$u\""
-            nft insert rule inet "${TABLE_NAME}" forward iifname "lo" accept comment "\"$u\""
-            nft insert rule inet "${TABLE_NAME}" postrouting $fam daddr "$tip" "$PROTO" dport "$tp" masquerade comment "\"$u\""
-            list_rules "$u_raw"
-            if [[ "$SKIP_TEST" == false ]]; then
-                new_h=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "$u_raw" | grep -o 'handle [0-9]*' | awk '{print $2}')
-                echo ""; test_strict_handle "$new_h"
-            fi
-            exit 0 ;;
-        *) msg "Error: Unknown option '$1'"; exit 1 ;;
-    esac
-    shift
-done