forked from extern/shorewall_code
7a57070205
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@3838 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
248 lines
8.8 KiB
Plaintext
248 lines
8.8 KiB
Plaintext
#
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# Shorewall version 3.2 - Tcrules File
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#
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# /etc/shorewall/tcrules
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#
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# Entries in this file cause packets to be marked as a means of
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# classifying them for traffic control or policy routing.
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#
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# I M P O R T A N T ! ! ! !
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#
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# Unlike rules in the /etc/shorewall/rules file, evaluation
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# of rules in this file will continue after a match. So the
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# final mark for each packet will be the one assigned by the
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# LAST tcrule that matches.
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#
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# If you use multiple internet providers with the 'track' option,
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# in /etc/shorewall/providers be sure to read the restrictions at
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# http://shorewall.net/Shorewall_and_Routing.html.
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#
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# Columns are:
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#
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#
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# MARK/ a) A mark value which is an integer in the range 1-255.
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# CLASSIFY
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# If HIGH_ROUTE_MARKS=Yes in shorewall.conf then
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# you may also specify a value in the range 0x0100-
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# 0xFF00 with the low-order byte being zero. Such
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# values may only be used in the PREROUTING chain
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# (value followed by :F or you have set
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# MARK_IN_FORWARD_CHAIN=Yes in shorewall conf and have
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# not followed the value with :P) or the OUTPUT chain
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# (SOURCE is $FW).
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#
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# May optionally be followed by ":P" or ":F"
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# where ":P" indicates that marking should occur in
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# the PREROUTING chain and ":F" indicates that marking
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# should occur in the FORWARD chain. If neither
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# ":P" nor ":F" follow the mark value then the chain
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# is determined by the setting of
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# MARK_IN_FORWARD_CHAIN in
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# /etc/shorewall/shorewall.conf.
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#
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# If your kernel and iptables include CONNMARK support
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# then you can also mark the connection rather than
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# the packet.
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#
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# The mark value may be optionally followed by "/"
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# and a mask value (used to determine those bits of
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# the connection mark to actually be set). The
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# mark and optional mask are then followed by one of:
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#
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# C - Mark the connection in the chain determined
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# by the setting of MARK_IN_FORWARD_CHAIN
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#
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# CF: Mark the connection in the FORWARD chain
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#
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# CP: Mark the connection in the PREROUTING
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# chain.
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#
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# b) A classification (classid) of the form
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# <major>:<minor> where <major> and <minor> are
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# integers. Corresponds to the 'class' specification
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# in these traffic shaping modules:
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#
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# - atm
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# - cbq
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# - dsmark
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# - pfifo_fast
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# - htb
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# - prio
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#
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# Classify always occurs in the POSTROUTING chain.
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#
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# c) RESTORE[/mask] -- restore the packet's mark from the
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# connection's mark using the supplied mask if any.
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# Your kernel and iptables must include CONNMARK
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# support.
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#
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# As in a) above, may be followed by ":P" or ":F
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#
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# c) SAVE[/mask] -- save the packet's mark to the
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# connection's mark using the supplied mask if any.
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# Your kernel and iptables must include CONNMARK
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# support.
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#
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# As in a) above, may be followed by ":P" or ":F
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#
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# d) CONTINUE -- don't process any more marking rules in
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# the table.
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#
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# As in a) above, may be followed by ":P" or ":F".
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#
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# SOURCE Source of the packet. A comma-separated list of
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# interface names, IP addresses, MAC addresses and/or
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# subnets for packets being routed through a common path.
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# List elements may also consist of an interface name
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# followed by ":" and an address
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# (e.g., eth1:192.168.1.0/24). For example, all packets
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# for connections masqueraded to eth0 from other
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# interfaces can be matched in a single rule with
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# several alternative SOURCE criteria. However, a
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# connection whose packets gets to eth0 in a
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# different way, e.g., direct from the firewall itself,
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# needs a different rule.
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#
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# Accordingly, use $FW in its own separate rule for
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# packets originating on the firewall. In such a rule,
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# the MARK column may NOT specify either ":P" or ":F"
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# because marking for firewall-originated packets
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# always occurs in the OUTPUT chain.
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#
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# MAC addresses must be prefixed with "~" and use
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# "-" as a separator.
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#
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# Example: ~00-A0-C9-15-39-78
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# DEST Destination of the packet. Comma separated list of
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# IP addresses and/or subnets. If your kernel and
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# iptables include iprange match support, IP address
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# ranges are also allowed. List elements may also
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# consist of an interface name followed by ":" and an
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# address (e.g., eth1:192.168.1.0/24).
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# If the MARK column specificies a classification of
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# the form <major>:<minor> then this column may also
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# contain an interface name.
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#
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# PROTO Protocol - Must be "tcp", "udp", "icmp", "ipp2p",
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# "ipp2p:udp", "ipp2p:all" a number, or "all".
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# "ipp2p" requires ipp2p match support in your kernel
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# and iptables.
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#
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# PORT(S) Destination Ports. A comma-separated list of Port
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# names (from /etc/services), port numbers or port
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# ranges; if the protocol is "icmp", this column is
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# interpreted as the destination icmp-type(s).
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#
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# If the protocol is ipp2p, this column is interpreted
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# as an ipp2p option without the leading "--" (example
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# "bit" for bit-torrent). If no PORT is given, "ipp2p" is
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# assumed.
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#
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# This column is ignored if PROTOCOL = all but must be
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# entered if any of the following field is supplied.
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# In that case, it is suggested that this field contain
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# "-"
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#
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# SOURCE PORT(S) (Optional) Source port(s). If omitted,
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# any source port is acceptable. Specified as a comma-
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# separated list of port names, port numbers or port
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# ranges.
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#
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# USER This column may only be non-empty if the SOURCE is
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# the firewall itself.
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#
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# When this column is non-empty, the rule applies only
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# if the program generating the output is running under
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# the effective user and/or group.
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#
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# It may contain :
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#
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# [<user name or number>]:[<group name or number>][+<program name>]
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#
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# The colon is optionnal when specifying only a user
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# or a program name.
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# Examples : john: , john , :users , john:users ,
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# +mozilla-bin (Support for program names
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# was removed from Netfilter in Kernel
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# version 2.6.14).
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#
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# TEST Defines a test on the existing packet or connection
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# mark. The rule will match only if the test returns
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# true. Tests have the format [!]<value>[/<mask>][:C]
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#
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# Where:
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#
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# ! Inverts the test (not equal)
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# <value> Value of the packet or connection mark.
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# <mask> A mask to be applied to the mark before
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# testing
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# :C Designates a connection mark. If
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# omitted, the packet mark's value is
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# tested.
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#
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# If you don't want to define a test but need to specify
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# anything in the following columns, place a "-" in this
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# field.
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#
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# LENGTH (Optional) Packet Length. This field, if present
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# allow you to match the length of a packet against
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# a specific value or range of values. You must have
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# iptables length support for this to work.
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# A range is specified in the form <min>:<max>
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# where either <min> or <max> (but not both) may be
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# omitted. If <min> is omitted, then 0 is assumed; if
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# <max> is omitted, than any packet that is <min> or
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# longer will match.
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#
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# Examples: 1024, 64:1500, :100 (packet of length
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# 100 bytes or less)
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#
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# If you don't want to define a test but need to specify
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# anything in the following columns, place a "-" in this
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# field.
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#
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# TOS Type of service. Either a standard name, or a numeric
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# value to match.
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#
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# Minimize-Delay (16)
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# Maximize-Throughput (8)
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# Maximize-Reliability (4)
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# Minimize-Cost (2)
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# Normal-Service (0)
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#
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# Example 1:
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#
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# Mark all ICMP echo traffic with packet mark 1.
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# Mark all peer to peer traffic with packet mark 4.
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#
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# This is a little more complex than otherwise expected. Since
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# the ipp2p module is unable to determine all packets in a
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# connection are P2P packets, we mark the entire connection as
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# P2P if any of the packets are determined to match.
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#
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# We assume packet/connection mark 0 to means unclassified.
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#
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# 1 0.0.0.0/0 0.0.0.0/0 icmp echo-request
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# 1 0.0.0.0/0 0.0.0.0/0 icmp echo-reply
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#
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# RESTORE 0.0.0.0/0 0.0.0.0/0 all - - - 0
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# CONTINUE 0.0.0.0/0 0.0.0.0/0 all - - - !0
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# 4 0.0.0.0/0 0.0.0.0/0 ipp2p:all
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# SAVE 0.0.0.0/0 0.0.0.0/0 all - - - !0
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#
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# "If a packet hasn't been classifed (packet mark is 0), copy
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# the connection mark to the packet mark. If the packet mark
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# is set, we're done. If the packet is P2P, set the packet
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# mark to 4. If the packet mark has been set, save it to the
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# connection mark."
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#
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#
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# See http://shorewall.net/traffic_shaping.htm for additional information.
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# For usage in selecting among multiple ISPs, see
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# http://shorewall.net/MultiISP.html
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###############################################################################
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#MARK SOURCE DEST PROTO PORT(S) CLIENT USER TEST LENGTH TOS
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# PORT(S)
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#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE
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