Firewall rules:

00100 allow ip from any to any via lo0
00200 deny ip from any to 127.0.0.0/8
00300 deny ip from 127.0.0.0/8 to any
00400 allow ip from any to any MAC any any
00500 allow ip from 66.218.40.118 to any
00600 allow ip from any to 66.218.40.118
00700 allow tcp from any to any established
00800 allow ip from any to any frag
00900 allow tcp from any to 66.218.40.42 dst-port 25 setup
01000 allow tcp from any to 66.218.40.42 dst-port 22 setup
01100 allow tcp from any to 66.218.40.42 dst-port 115
01200 allow tcp from any to 66.218.40.42 dst-port 80 setup
01300 allow tcp from 66.218.40.42 to any setup
01400 allow tcp from 66.218.40.27 to any setup
01500 allow udp from 66.218.40.27 to any dst-port 53 keep-state
01600 allow udp from 66.218.40.42 to any dst-port 53 keep-state
01700 allow udp from 66.218.40.12 to any dst-port 53 keep-state
01800 allow udp from 66.218.40.27 to any dst-port 123 keep-state
01900 allow udp from 66.218.40.42 to any dst-port 123 keep-state
02000 allow udp from 66.218.40.12 to any dst-port 123 keep-state
02100 allow icmp from any to any icmptypes 8 keep-state
02200 allow icmp from any to any icmptypes 3
02300 allow icmp from any to any icmptypes 11
02400 deny log ip from any to any

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rkomorn@certainty:~$ pciconf -vl
hostb0@pci0:0:0:        class=0x060000 card=0x019d1028 chip=0x25708086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82865G/PE/P, 82848P DRAM Controller / Host-Hub Interface'
    class    = bridge
    subclass = HOST-PCI
agp0@pci0:2:0:  class=0x030000 card=0x019d1028 chip=0x25728086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82865G Integrated Graphics Device'
    class    = display
    subclass = VGA
uhci0@pci0:29:0:        class=0x0c0300 card=0x019d1028 chip=0x24d28086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801EB/ER (ICH5/ICH5R) USB UHCI Controller #1'
    class    = serial bus
    subclass = USB
uhci1@pci0:29:1:        class=0x0c0300 card=0x019d1028 chip=0x24d48086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2'
    class    = serial bus
    subclass = USB
uhci2@pci0:29:3:        class=0x0c0300 card=0x019d1028 chip=0x24de8086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801EB/ER (ICH5/ICH5R) USB UHCI Controller #4'
    class    = serial bus
    subclass = USB
ehci0@pci0:29:7:        class=0x0c0320 card=0x019d1028 chip=0x24dd8086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801EB/ER (ICH5/ICH5R) USB 2.0 EHCI Controller'
    class    = serial bus
    subclass = USB
pcib1@pci0:30:0:        class=0x060400 card=0x00000000 chip=0x244e8086 rev=0xc2 hdr=0x01
    vendor   = 'Intel Corporation'
    device   = '82801BA/CA/DB/DBL/EB/ER/FB (ICH2/3/4/4/5/5/6), 6300ESB Hub Interface to PCI Bridge'
    class    = bridge
    subclass = PCI-PCI
isab0@pci0:31:0:        class=0x060100 card=0x00000000 chip=0x24d08086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801EB/ER (ICH5/ICH5R) LPC Interface Bridge'
    class    = bridge
    subclass = PCI-ISA
atapci0@pci0:31:1:      class=0x01018a card=0x019d1028 chip=0x24db8086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801EB/ER (ICH5/ICH5R) EIDE Controller'
    class    = mass storage
    subclass = ATA
none0@pci0:31:3:        class=0x0c0500 card=0x019d1028 chip=0x24d38086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801EB/ER (ICH5/ICH5R) SMBus Controller'
    class    = serial bus
    subclass = SMBus
xl0@pci1:1:0:   class=0x020000 card=0x905510b7 chip=0x905510b7 rev=0x30 hdr=0x00
    vendor   = '3COM Corp, Networking Division'
    device   = '3C905B-TX Fast Etherlink 10/100 PCI TX NIC'
    class    = network
    subclass = ethernet
fxp0@pci1:8:0:  class=0x020000 card=0x019d1028 chip=0x10508086 rev=0x02 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82801EB/ER PRO/100 VE Network Connection'
    class    = network
    subclass = ethernet

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rkomorn@certainty:~$ sysctl -a | grep bridge
net.link.ether.bridge_cfg: fxp0:0,xl0:0
net.link.ether.bridge_ipfw: 1
net.link.ether.bridge_ipf: 0
net.link.ether.bridge.config: fxp0:0,xl0:0
net.link.ether.bridge.enable: 1
net.link.ether.bridge.predict: 318365
net.link.ether.bridge.dropped: 0
net.link.ether.bridge.packets: 465474
net.link.ether.bridge.ipfw_collisions: 0
net.link.ether.bridge.ipfw_drop: 0
net.link.ether.bridge.copy: 0
net.link.ether.bridge.ipfw: 1
net.link.ether.bridge.ipf: 0
net.link.ether.bridge.debug: 0
net.link.ether.bridge.version: 031224

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