📄 policy
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## Shorewall version 3.4 - Sample Policy File for three-interface configuration.# Copyright (C) 2006 by the Shorewall Team## This library is free software; you can redistribute it and/or# modify it under the terms of the GNU Lesser General Public# License as published by the Free Software Foundation; either# version 2.1 of the License, or (at your option) any later version.## See the file README.txt for further details.#------------------------------------------------------------------------------# For information about entries in this file, type "man shorewall-policy"## See http://shorewall.net/Documentation.htm#Policy for additional information.#################################################################################SOURCE DEST POLICY LOG LEVEL LIMIT:BURST## Note about policies and logging:# This file contains an explicit policy for every combination of# zones defined in this sample. This is solely for the purpose of# providing more specific messages in the logs. This is not# necessary for correct operation of the firewall, but greatly# assists in diagnosing problems. The policies below are logically# equivalent to:## loc net ACCEPT# net all DROP info# all all REJECT info## The Shorewall-perl compiler will generate the individual policies# below from the above general policies if you set # EXPAND_POLICIES=Yes in shorewall.conf. ### Policies for traffic originating from the local LAN (loc)## If you want to force clients to access the Internet via a proxy server# in your DMZ, change the following policy to REJECT info.loc net ACCEPT# If you want open access to DMZ from loc, change the following policy# to ACCEPT. (If you chose not to do this, you will need to add a rule# for each service in the rules file.)loc dmz REJECT infoloc $FW REJECT infoloc all REJECT info## Policies for traffic originating from the firewall ($FW)## If you want open access to the Internet from your firewall, change the# $FW to net policy to ACCEPT and remove the 'info' LOG LEVEL.$FW net REJECT info$FW dmz REJECT info$FW loc REJECT info$FW all REJECT info## Policies for traffic originating from the De-Militarized Zone (dmz)## If you want open access from DMZ to the Internet change the following# policy to ACCEPT. This may be useful if you run a proxy server in# your DMZ.dmz net REJECT infodmz $FW REJECT infodmz loc REJECT infodmz all REJECT info## Policies for traffic originating from the Internet zone (net)#net dmz DROP infonet $FW DROP infonet loc DROP infonet all DROP info# THE FOLLOWING POLICY MUST BE LASTall all REJECT info#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE
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