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# Copyright (C) 2006-2025 Jonathan Michaelson
#
# https://github.com/waytotheweb/scripts
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, see <https://www.gnu.org/licenses>.
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# The following is a list of port and/or IP address assignments to direct
# traffic to alternative ports/IP addresses
#
# Requirements:
#   nat tables
#   ipt_DNAT iptables module
#   ipt_SNAT iptables module
#   ipt_REDIRECT iptables module
#
# The following are the allowed redirection formats
#
# DNAT (redirect from one IP address to a different one):
# IPx|*|IPy|*|tcp/udp          - To IPx redirects to IPy
# IPx|portA|IPy|portB|tcp/udp  - To IPx to portA redirects to IPy portB
#
# DNAT examples:
# 192.168.254.62|*|10.0.0.1|*|tcp
# 192.168.254.62|666|10.0.0.1|25|tcp
#
# REDIRECT (redirect from port to a different one):
# IPx|portA|*|portB|tcp/udp    - To IPx to portA redirects to portB
# *|portA|*|portB|tcp/udp      - To portA redirects to portB
#
# REDIRECT examples:
# 192.168.254.60|666|*|25|tcp
# *|666|*|25|tcp
#
# See readme.txt for more information
#