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66 lines
2.1 KiB
Plaintext
66 lines
2.1 KiB
Plaintext
#
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# Shorewall version 5.0 - Sample Rules File for three-interface configuration.
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# Copyright (C) 2006-2015 by the Shorewall Team
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# See the file README.txt for further details.
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#------------------------------------------------------------------------------------------------------------
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# For information about entries in this file, type "man shorewall-rules"
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######################################################################################################################################################################################################
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#ACTION SOURCE DEST PROTO DEST SOURCE ORIGINAL RATE USER/ MARK CONNLIMIT TIME HEADERS SWITCH HELPER
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# PORT PORT(S) DEST LIMIT GROUP
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?SECTION ALL
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?SECTION ESTABLISHED
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?SECTION RELATED
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?SECTION INVALID
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?SECTION UNTRACKED
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?SECTION NEW
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# Don't allow connection pickup from the net
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#
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Invalid(DROP) net all tcp
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#
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# Accept DNS connections from the firewall to the Internet
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#
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DNS(ACCEPT) $FW net
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#
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#
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# Accept SSH connections from the local network to the firewall and DMZ
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#
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SSH(ACCEPT) loc $FW
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SSH(ACCEPT) loc dmz
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#
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# DMZ DNS access to the Internet
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#
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DNS(ACCEPT) dmz net
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# Drop Ping from the "bad" net zone.
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Ping(DROP) net $FW
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#
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# Make ping work bi-directionally between the dmz, net, Firewall and local zone
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# (assumes that the loc-> net policy is ACCEPT).
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#
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Ping(ACCEPT) loc $FW
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Ping(ACCEPT) dmz $FW
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Ping(ACCEPT) loc dmz
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Ping(ACCEPT) dmz loc
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Ping(ACCEPT) dmz net
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ACCEPT $FW net icmp
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ACCEPT $FW loc icmp
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ACCEPT $FW dmz icmp
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# Uncomment this if using Proxy ARP and static NAT and you want to allow ping from
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# the net zone to the dmz and loc
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#Ping(ACCEPT) net dmz
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#Ping(ACCEPT) net loc
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