Initial commit

IpTables/autoIpTables.sh

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+# =============================================================================
+# autoIpTables.sh
+# 
+# Setup multiple IpTables incoming and outgoing port mappings for easy setup.
+# 
+# Copyright (c) 2025 VELENDEU, eetnaviation
+# 
+# https://velend.eu/
+# https://git.velend.eu/eetnaviation/shscripts
+# 
+# All rights reserved unless otherwise stated.
+# 
+# Permission is hereby denied to copy, modify, distribute, sublicense,
+# or sell copies of this software without explicit prior written consent.
+# 
+# All dependency trademarks and names if included are subject to copyright
+# of their respective owners.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+# =============================================================================
+
+#!/bin/bash
+
+declare -A PORT_MAPS=( # Write your ports in here, example [80]=1234 would direct outside port 80 to inside port 1234
+  [80]=1234
+)
+
+# Apply iptables rule for each mapping
+for outsidePort in "${!PORT_MAPS[@]}"; do
+  insidePort="${PORT_MAPS[$outsidePort]}"
+  iptables -t nat -A PREROUTING -p tcp --dport "$outsidePort" -j REDIRECT --to-port "$insidePort"
+done
+
+# Display all mappings
+iptables -t nat -L -v -n

IpTables/easyIpTables.sh

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+# =============================================================================
+# easyIpTables.sh
+# 
+# Allows you to easily set IpTables mappings for incoming and outgoing ports.
+# 
+# Copyright (c) 2025 VELENDEU, eetnaviation
+# 
+# https://velend.eu/
+# https://git.velend.eu/eetnaviation/shscripts
+# 
+# All rights reserved unless otherwise stated.
+# 
+# Permission is hereby denied to copy, modify, distribute, sublicense,
+# or sell copies of this software without explicit prior written consent.
+# 
+# All dependency trademarks and names if included are subject to copyright
+# of their respective owners.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+# =============================================================================
+
+#!/bin/bash
+
+while true; do
+  echo "easyIpTables.sh // (c) Copyright 2025 VELENDEU , eetnaviation // See source for more info."
+  echo "Press CTRL+C (^C) to quit."
+  read -p "Enter outside port: " outsidePort
+  read -p "Enter inside port: " insidePort
+
+  if [[ "$outsidePort" =~ ^[0-9]+$ && "$insidePort" =~ ^[0-9]+$ ]]; then
+    iptables -t nat -A PREROUTING -p tcp --dport "$outsidePort" -j REDIRECT --to-port "$insidePort"
+    echo "Redirected TCP $outsidePort -> $insidePort, Here are your current IpTables mappings:"
+    # Display all mappings
+    iptables -t nat -L -v -n
+  else
+    echo "Invalid input, must be numeric ports."
+  fi
+done