120 lines
4.5 KiB
Plaintext
120 lines
4.5 KiB
Plaintext
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# $FreeBSD$
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# $OpenBSD: faq-example3,v 1.2 2003/08/06 16:04:45 henning Exp $
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#
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# Company Network
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# http://www.openbsd.org/faq/pf/queueing.html#example2
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#
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# enable queueing on the external interface to queue packets going out
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# to the Internet. use the cbq scheduler so that the bandwidth use of
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# each queue can be controlled. the max outgoing bandwidth is 1.5Mbps.
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altq on fxp0 cbq bandwidth 1.5Mb queue { std_ext, www_ext, boss_ext }
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# define the parameters for the child queues.
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# std_ext - the standard queue. also the default queue for
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# outgoing traffic on fxp0.
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# www_ext - container queue for WWW server queues. limit to
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# 500Kbps.
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# www_ext_http - http traffic from the WWW server
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# www_ext_misc - all non-http traffic from the WWW server
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# boss_ext - traffic coming from the boss's computer
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queue std_ext cbq(default)
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queue www_ext bandwidth 500Kb { www_ext_http, www_ext_misc }
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queue www_ext_http priority 3 cbq(red)
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queue www_ext_misc priority 1
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queue boss_ext priority 3
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# enable queueing on the internal interface to control traffic coming
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# from the Internet or the DMZ. use the cbq scheduler to control the
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# bandwidth of each queue. bandwidth on this interface is set to the
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# maximum. traffic coming from the DMZ will be able to use all of this
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# bandwidth while traffic coming from the Internet will be limited to
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# 1.0Mbps (because 0.5Mbps (500Kbps) is being allocated to fxp1).
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altq on dc0 cbq bandwidth 100% queue { net_int, www_int }
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# define the parameters for the child queues.
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# net_int - container queue for traffic from the Internet. bandwidth
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# is 1.0Mbps.
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# std_int - the standard queue. also the default queue for outgoing
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# traffic on dc0.
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# it_int - traffic to the IT Dept network.
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# boss_int - traffic to the boss's PC.
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# www_int - traffic from the WWW server in the DMZ.
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queue net_int bandwidth 1.0Mb { std_int, it_int, boss_int }
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queue std_int cbq(default)
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queue it_int bandwidth 500Kb cbq(borrow)
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queue boss_int priority 3
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queue www_int cbq(red)
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# enable queueing on the DMZ interface to control traffic destined for
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# the WWW server. cbq will be used on this interface since detailed
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# control of bandwidth is necessary. bandwidth on this interface is set
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# to the maximum. traffic from the internal network will be able to use
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# all of this bandwidth while traffic from the Internet will be limited
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# to 500Kbps.
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altq on fxp1 cbq bandwidth 100% queue { internal_dmz, net_dmz }
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# define the parameters for the child queues.
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# internal_dmz - traffic from the internal network.
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# net_dmz - container queue for traffic from the Internet.
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# net_dmz_http - http traffic.
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# net_dmz_misc - all non-http traffic. this is also the default queue.
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queue internal_dmz # no special settings needed
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queue net_dmz bandwidth 500Kb { net_dmz_http, net_dmz_misc }
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queue net_dmz_http priority 3 cbq(red)
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queue net_dmz_misc priority 1 cbq(default)
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# ... in the filtering section of pf.conf ...
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main_net = "192.168.0.0/24"
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it_net = "192.168.1.0/24"
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int_nets = "{ 192.168.0.0/24, 192.168.1.0/24 }"
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dmz_net = "10.0.0.0/24"
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boss = "192.168.0.200"
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wwwserv = "10.0.0.100"
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# default deny
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block on { fxp0, fxp1, dc0 } all
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# filter rules for fxp0 inbound
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pass in on fxp0 proto tcp from any to $wwwserv port { 21, \
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> 49151 } flags S/SA keep state queue www_ext_misc
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pass in on fxp0 proto tcp from any to $wwwserv port 80 \
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flags S/SA keep state queue www_ext_http
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# filter rules for fxp0 outbound
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pass out on fxp0 from $int_nets to any keep state
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pass out on fxp0 from $boss to any keep state queue boss_ext
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# filter rules for dc0 inbound
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pass in on dc0 from $int_nets to any keep state
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pass in on dc0 from $it_net to any queue it_int
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pass in on dc0 from $boss to any queue boss_int
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pass in on dc0 proto tcp from $int_nets to $wwwserv port { 21, 80, \
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> 49151 } flags S/SA keep state queue www_int
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# filter rules for dc0 outbound
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pass out on dc0 from dc0 to $int_nets
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# filter rules for fxp1 inbound
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pass in on fxp1 proto { tcp, udp } from $wwwserv to any port 53 \
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keep state
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# filter rules for fxp1 outbound
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pass out on fxp1 proto tcp from any to $wwwserv port { 21, \
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> 49151 } flags S/SA keep state queue net_dmz_misc
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pass out on fxp1 proto tcp from any to $wwwserv port 80 \
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flags S/SA keep state queue net_dmz_http
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pass out on fxp1 proto tcp from $int_nets to $wwwserv port { 80, \
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21, > 49151 } flags S/SA keep state queue internal_dmz
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