Extrange behavior using ppp, pf and altq on FreeBSD 5.3

From: Mauricio Brunstein (mbrunstein_at_gmail.com)
Date: 12/14/04

  • Next message: Robert Fitzpatrick: "dspam" 
    Date: Mon, 13 Dec 2004 21:30:49 -0300
To: freebsd-questions@freebsd.org

    Please help!

    I am new to FreeBSD, and UNIX in general but form the beginning I'm
    fascinated. I had configured a FreeBSD 5.3 machine to be the
    Firewall/gateway of 8 windows PC's. The machine has 2 interfaces one
    (fxp0) is connected to the ADSL modem and the another (rl0) is
    connected to a switch where the windows boxes are connected too. The
    first problem is that sometimes, when ppp redial to the pppoe Internet
    provider, I can use Internet from the FreeBSD machine, but not from
    the internal network. I had found a workaround to this problem:
    --------------------------------
    server:~ $ cat /etc/ppp/ppp.linkup
    default:
    ! pfctl -F all -f /etc/pf.conf && /usr/local/etc/ez-ipupdate.conf
    ---------------------------------
    Refreshing the pf rules, the nat appears to work again, after a connection drop.

    The problem that I can't solve is the following:

    In the FreeBSD manual states that one must use router_enable="NO" in
    rc.conf, to avoid routed to delete the routes added by ppp. If I do
    this, I can't have access to the box from outside using ssh.

    For reference I added the content of the floowing files:

    /etc/rc.conf
    /etc/start_if.tun0
    /etc/ppp/ppp.conf
    /etc/pf.conf
    /root/kernels/GENERICconALTQ # the kernel config file
    demesg

    Thank you very much!!!

    -------------------------------------------------
    server:~ $ cat /etc/rc.conf

    # -- sysinstall generated deltas -- # Sun Nov 21 13:07:41 2004
    # Created: Sun Nov 21 13:07:41 2004
    # Enable network daemons for user convenience.
    # Please make all changes to this file, not to /etc/defaults/rc.conf.
    # This file now contains just the overrides from /etc/defaults/rc.conf.

    hostname="server.estudio"
    ifconfig_rl0="inet 192.168.2.1 netmask 255.255.255.0"
    netd_enable="YES"
    saver="dragon"
    scrnmap="NO"
    sshd_enable="YES"
    sshd_flags="-4 -p 222"
    usbd_enable="YES"
    network_interfaces="lo0 tun0 rl0"
    ifconfig_tun0=
    #router_enable="NO"
    router_enable="YES"
    gateway_enable="YES" # Set to YES if this host will be a gateway
    pf_enable="YES" # Enable PF (load module if required)
    pf_rules="/etc/pf.conf" # rules definition file for pf
    pf_flags="" # additional flags for pfctl startup
    #pflog_enable="YES" # start pflogd(8)
    #pflog_logfile="/var/log/pflog" # where pflogd should store the logfile
    #pflog_flags="" # additional flags for pflogd startup
    inetd_enable="YES" # Run the network daemon dispatcher (YES/NO).
    inetd_program="/usr/sbin/inetd" # path to inetd, if you want a different one.
    inetd_flags="-wW -C 60" # Optional flags to inetd
    #nmbd_enable="YES"
    #smbd_enable="YES"
    #winbindd_enable="YES"
    named_enable="YES" # Run named, the DNS server (or NO).
    named_program="/usr/sbin/named" # path to named, if you want a different one.
    named_flags="-u bind" # Flags for named
    named_pidfile="/var/run/named/pid" # Must set this in named.conf as well
    named_chrootdir="/var/named" # Chroot directory (or "" not to auto-chroot it)
    named_chroot_autoupdate="YES" # Automatically install/update chrooted
                                  # components of named. See /etc/rc.d/named.
    named_symlink_enable="YES" # Symlink the chrooted pid file

    ---------------------------------------------------------------

    server:~ $ uname -a
    FreeBSD server.estudio 5.3-RELEASE-p1 FreeBSD 5.3-RELEASE-p1 #1: Tue
    Nov 23 02:13:24 ART 2004
    root@server.estudio:/usr/obj/usr/src/sys/GENERICconALTQ i386

    ------------------------------------------------------------------------

    server:~ $ cat /etc/start_if.tun0
    ppp -ddial default && /usr/local/etc/ez-ipupdate.conf

    -------------------------------------------------------------------

    server:~ $ sudo cat /etc/ppp/ppp.conf
    default:
    set log Phase Chat IPCP CCP tun command
    # set log Phase Chat LCP IPCP CCP tun command
    # nat enable yes
    # nat same_ports yes
    # nat use_sockets yes
    set device PPPoE:fxp0 # replace fxp0 with your Ethernet device
    set mtu 1492
    set mru 1492
    enable mssfixup
    set speed sync
    disable acfcomp protocomp
    deny acfcomp
    set authname xxxxxx
    set authkey yyyyyy
    set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.255

    add default HISADDR
    # enable lqr
    disable ipv6cp
    # set lqrperiod 25
    enable dns

    --------------------------------------------------------------------

    server:~ $ cat /etc/pf.conf

    ###### Macros

    NoRoute = "{ 127.0.0.1/8, 172.16.0.0/12, 10.0.0.0/8, 255.255.255.255/32 }"

    ###### Tables

    ######### Options

    #set optimization aggressive
    set debug loud

    ######### Normalization

    #scrub in on tun0 all random-id no-df
    scrub in on tun0 all

    ######### Queueing

    altq on tun0 priq bandwidth 100Kb queue { q_pri, q_def, q_med }
    queue q_pri priority 7
    queue q_med priority 3
    queue q_def priority 1 priq(default)

    ###### nat

    # General:
    nat on tun0 from 192.168.2.0/24 to any -> (tun0)
    rdr on rl0 proto udp from any to 192.168.2.1/32 port 53 -> 200.42.0.109 port 53

    # FTP y HTTP Server on the internal network:
    #rdr on tun0 proto tcp from any to (tun0)/32 port 21 -> 192.168.2.33 port 21
    #rdr on tun0 proto tcp from any to (tun0)/32 port 80 -> 192.168.2.33 port 80

    # ftp-proxy
    rdr on rl0 proto tcp from any to any port 21 -> 127.0.0.1 port 8021

    # VNC:
    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 5900 ->
    192.168.2.2 port 5900
    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 5800 ->
    192.168.2.2 port 5800
    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 5902 ->
    192.168.2.2 port 5900
    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 5903 ->
    192.168.2.3 port 5900
    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 5904 ->
    192.168.2.4 port 5900
    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 5905 ->
    192.168.2.5 port 5900
    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 5906 ->
    192.168.2.6 port 5900
    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 5907 ->
    192.168.2.7 port 5900

    # Bit Torrent
    rdr on tun0 proto tcp from any to (tun0)/32 port 6881:6999 ->
    192.168.2.39 port 6881:*

    # MSN

    rdr on tun0 proto { tcp, udp } from any to (tun0)/32 port 6891:6900 ->
    192.168.2.2 port 6891:*

    ####### Firewall rules
    #pass in quick on tun0 all
    # Antispoofing

    block in log quick on tun0 inet from $NoRoute to any
    block in log quick on tun0 inet from any to $NoRoute

    # Block nmap scan

    block in log quick on tun0 inet proto tcp from any to any flags FUP/FUP
    block in log quick on tun0 inet proto tcp from any to any flags SF/SFRA
    block in log quick on tun0 inet proto tcp from any to any flags /SFRA

    # General rules:
    pass in quick on lo0 all
    pass out quick on lo0 all
    pass in quick on rl0 proto udp from 192.168.2.0/24 to any port = 53 keep state
    pass in quick on tun0 proto tcp from any to any port = 222 synproxy state
    pass in quick on tun0 proto tcp from any to any port = 22 synproxy state
    pass in quick on tun0 proto udp from any to any port = 500 keep state
    pass in quick proto esp from any to any keep state
    pass out quick proto esp from any to any keep state
    pass out quick on tun0 proto tcp from any to any port { 22, 222 }
    flags S/SA synproxy state queue q_pri
    pass out quick on tun0 proto tcp from any to any flags S/SA synproxy
    state queue (q_def, q_pri)
    pass out quick on tun0 proto udp all modulate state
    pass out quick on tun0 proto icmp from any to any keep state
    #pass in quick on tun0 proto icmp from any to any keep state

    # FTP y HTTP internal server:
    pass in quick on tun0 proto tcp from any to any port = 21 flags S/SA
    synproxy state
    pass in quick on tun0 proto tcp from any to any port = 20 flags S/SA
    synproxy state

    # Passive ftp port range
    pass in quick on tun0 proto tcp from any to any port 49151><65535
    flags S/SA synproxy state

    # VNC:
    pass in quick on tun0 proto { tcp, udp } from any to any port = 5900
    flags S/SA synproxy state queue q_med
    pass in quick on tun0 proto { tcp, udp } from any to any port = 5800
    flags S/SA synproxy state queue q_med
    pass in quick on tun0 proto { tcp, udp } from any to any port = 5902
    flags S/SA synproxy state queue q_med
    pass in quick on tun0 proto { tcp, udp } from any to any port = 5903
    flags S/SA synproxy state queue q_med
    pass in quick on tun0 proto { tcp, udp } from any to any port = 5904
    flags S/SA synproxy state queue q_med
    pass in quick on tun0 proto { tcp, udp } from any to any port = 5905
    flags S/SA synproxy state queue q_med
    pass in quick on tun0 proto { tcp, udp } from any to any port = 5906
    flags S/SA synproxy state queue q_med
    pass in quick on tun0 proto { tcp, udp } from any to any port = 5907
    flags S/SA synproxy state queue q_med

    # Bit Torrent
    pass in quick on tun0 proto tcp from any to any port 6880 >< 7000
    flags S/SA synproxy state

    # MSN
    pass in quick on tun0 proto { tcp, udp } from any to any port 6890 ><
    6901 flags S/SA synproxy state

    # ftp proxy
    pass in quick on tun0 inet proto tcp from any to tun0 port > 49151
    synproxy state queue (q_def, q_pri)

    block in log on tun0 from any to any

    -------------------------------------------------------------------

    sudo cat /root/kernels/GENERICconALTQ | more

    #
    # GENERIC -- Generic kernel configuration file for FreeBSD/i386
    #
    # For more information on this file, please read the handbook section on
    # Kernel Configuration Files:
    #
    # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-conf
    ig.html
    #
    # The handbook is also available locally in /usr/share/doc/handbook
    # if you've installed the doc distribution, otherwise always see the
    # FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
    # latest information.
    #
    # An exhaustive list of options and more detailed explanations of the
    # device lines is also present in the ../../conf/NOTES and NOTES files.
    # If you are in doubt as to the purpose or necessity of a line, check first
    # in NOTES.
    #
    # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.413.2.6.2.2 2004/10/24 18:02:52 scottl
    Exp $

    machine i386
    #cpu I486_CPU
    #cpu I586_CPU
    cpu I686_CPU
    ident GENERIC

    # To statically compile in device wiring instead of /boot/device.hints
    #hints "GENERIC.hints" # Default places to look for devices.

    options SCHED_4BSD # 4BSD scheduler
    options INET # InterNETworking
    options INET6 # IPv6 communications protocols
    options FFS # Berkeley Fast Filesystem
    options SOFTUPDATES # Enable FFS soft updates support
    options UFS_ACL # Support for access control lists
    options UFS_DIRHASH # Improve performance on big directories

    options MD_ROOT # MD is a potential root device
    options NFSCLIENT # Network Filesystem Client
    options NFSSERVER # Network Filesystem Server
    options NFS_ROOT # NFS usable as /, requires NFSCLIENT
    options MSDOSFS # MSDOS Filesystem
    options CD9660 # ISO 9660 Filesystem
    options PROCFS # Process filesystem (requires PSEUDOFS)
    options PSEUDOFS # Pseudo-filesystem framework
    options GEOM_GPT # GUID Partition Tables.
    options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
    options COMPAT_FREEBSD4 # Compatible with FreeBSD4
    options SCSI_DELAY=15000 # Delay (in ms) before probing SCSI
    options KTRACE # ktrace(1) support
    options SYSVSHM # SYSV-style shared memory
    options SYSVMSG # SYSV-style message queues
    options SYSVSEM # SYSV-style semaphores
    options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extension
    s
    options KBD_INSTALL_CDEV # install a CDEV entry in /dev
    options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
                                          # output. Adds ~128k to driver.
    options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
                                          # output. Adds ~215k to driver.
    options ADAPTIVE_GIANT # Giant mutex is adaptive.

    # altq(9). Enable the base part of the hooks with the ALTQ option.
    # Individual disciplines must be built into the base system and can not be
    # loaded as modules at this point. In order to build a SMP kernel you must
    # also have the ALTQ_NOPCC option.
    options ALTQ
    options ALTQ_CBQ # Class Bases Queueing
    options ALTQ_RED # Random Early Drop
    options ALTQ_RIO # RED In/Out
    options ALTQ_HFSC # Hierarchical Packet Scheduler
    options ALTQ_CDNR # Traffic conditioner
    options ALTQ_PRIQ # Priority Queueing
    options ALTQ_NOPCC # Required for SMP build
    options ALTQ_DEBUG

    device apic # I/O APIC

    # Bus support. Do not remove isa, even if you have no isa slots
    device isa
    device eisa
    device pci

    # Floppy drives
    device fdc

    # ATA and ATAPI devices
    device ata
    device atadisk # ATA disk drives
    device ataraid # ATA RAID drives
    device atapicd # ATAPI CDROM drives
    device atapifd # ATAPI floppy drives
    device atapist # ATAPI tape drives
    options ATA_STATIC_ID # Static device numbering

    # SCSI Controllers
    #device ahb # EISA AHA1742 family
    #device ahc # AHA2940 and onboard AIC7xxx devices
    #device ahd # AHA39320/29320 and onboard AIC79xx devices
    #device amd # AMD 53C974 (Tekram DC-390(T))
    #device isp # Qlogic family
    #device mpt # LSI-Logic MPT-Fusion
    #device ncr # NCR/Symbios Logic
    #device sym # NCR/Symbios Logic (newer chipsets +
    those of `ncr')
    #device trm # Tekram DC395U/UW/F DC315U adapters

    #device adv # Advansys SCSI adapters
    #device adw # Advansys wide SCSI adapters
    device aha # Adaptec 154x SCSI adapters
    device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
    #device bt # Buslogic/Mylex MultiMaster SCSI adapters

    #device ncv # NCR 53C500
    #device nsp # Workbit Ninja SCSI-3
    #device stg # TMC 18C30/18C50

    # SCSI peripherals
    device scbus # SCSI bus (required for SCSI)
    device ch # SCSI media changers
    device da # Direct Access (disks)
    device sa # Sequential Access (tape etc)
    device cd # CD
    device pass # Passthrough device (direct SCSI access)
    device ses # SCSI Environmental Services (and SAF-TE)

    # RAID controllers interfaced to the SCSI subsystem
    #device amr # AMI MegaRAID
    #device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
    #device ciss # Compaq Smart RAID 5*
    #device dpt # DPT Smartcache III, IV - See NOTES for options
    #device hptmv # Highpoint RocketRAID 182x
    #device iir # Intel Integrated RAID
    #device ips # IBM (Adaptec) ServeRAID
    #device mly # Mylex AcceleRAID/eXtremeRAID
    #device twa # 3ware 9000 series PATA/SATA RAID

    # RAID controllers
    #device aac # Adaptec FSA RAID
    #device aacp # SCSI passthrough for aac (requires CAM)
    #device ida # Compaq Smart RAID
    #device mlx # Mylex DAC960 family
    #device pst # Promise Supertrak SX6000
    #device twe # 3ware ATA RAID

    # atkbdc0 controls both the keyboard and the PS/2 mouse
    device atkbdc # AT keyboard controller
    device atkbd # AT keyboard
    device psm # PS/2 mouse

    device vga # VGA video card driver

    device splash # Splash screen and screen saver support

    # syscons is the default console driver, resembling an SCO console
    device sc

    # Enable this for the pcvt (VT220 compatible) console driver
    #device vt
    #options XSERVER # support for X server on a vt console
    #options FAT_CURSOR # start with block cursor

    device agp # support several AGP chipsets

    -----------------------------------------------------------

    server:~ $ dmesg |more

    pf_map_addr: selected address 200.xxx.xxx.xxx
    pf_map_addr: selected address 200.xxx.xxx.xxx
    pf_map_addr: selected address 200.xxx.xxx.xxx
    pf_map_addr: selected address 200.xxx.xxx.xxx
    pf_map_addr: selected address 200.xxx.xxx.xxx
    pf_map_addr: selected address 200.xxx.xxx.xxx
    .....
    .....
    .. "pf_map_addr: selected address 200.xxx.xxx.xxx" is repeated ~50 times
    .....
    ....
    pf_map_addr: selected address 200.xxx.xxx.xxx
    pf_map_addr: selected address 200.xxx.xxx.xxx
    pf_map_addr: selected address 200.xxx.xxx.xxx
    pf_map_addr: selected address 200.xxx.xxx.xxx
    adding osfp AIX 4.3 2 = 16384:64:0:44:0x2 1 (TS=,M=512,W=*0) 100401
    adding osfp AIX 4.3 3 = 16384:64:0:44:0x2 1 (TS=,M=512,W=*0) 100402
    adding osfp AIX 4.3 2-3 = 16384:64:0:44:0x2 1 (TS=,M=512,W=*0) 100403
    ....
    .....
    adding osfp Windows 2000 RFC1323 = *0:128:1:64:0x2040803 9
    (TS=0,M=*0,W=0) b01004
    adding osfp Windows XP RFC1323 = *0:128:1:64:0x2040803 9 (TS=0,M=*0,W=*0) b01403
    adding osfp Windows XP = *0:128:1:48:0x403 4 (TS=,M=*0,W=*0) b01400
    adding osfp Windows 2000 = *0:128:1:48:0x403 4 (TS=,M=*0,W=*0) b01000
    pf: dropping packet with ip options
    pf: dropping packet with ip options
    Waiting (max 60 seconds) for system process `vnlru' to stop...done
    Waiting (max 60 seconds) for system process `bufdaemon' to stop...done
    Waiting (max 60 seconds) for system process `syncer' to stop...
    Syncing disks, vnodes remaining...2 1 1 1 0 0 done
    No buffers busy after final sync
    Uptime: 3d4h14m37s
    Shutting down ACPI
    Rebooting...
    Copyright (c) 1992-2004 The FreeBSD Project.
    Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
            The Regents of the University of California. All rights reserved.
    FreeBSD 5.3-RELEASE-p1 #1: Tue Nov 23 02:13:24 ART 2004
        root@server.estudio:/usr/obj/usr/src/sys/GENERICconALTQ
    Timecounter "i8254" frequency 1193182 Hz quality 0
    CPU: Intel(R) Celeron(R) CPU 2.53GHz (2527.01-MHz 686-class CPU)
      Origin = "GenuineIntel" Id = 0xf34 Stepping = 4
      Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
    real memory = 266530816 (254 MB)
    avail memory = 251162624 (239 MB)
    ACPI APIC Table: <INTEL D865GBF >
    ioapic0 <Version 2.0> irqs 0-23 on motherboard
    npx0: [FAST]
    npx0: <math processor> on motherboard
    npx0: INT 16 interface
    acpi0: <INTEL D865GBF> on motherboard
    acpi0: Power Button (fixed)
    Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
    acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
    cpu0: <ACPI CPU> on acpi0
    pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
    pci0: <ACPI PCI bus> on pcib0
    agp0: <Intel 82865G (865G GMCH) SVGA controller> port 0xec00-0xec07
    mem 0xffa80000-0xffafffff,0xf0000000-0xf7ffffff irq 16 at device 2.0
    on pci0
    agp0: detected 892k stolen memory
    agp0: aperture size is 128M
    uhci0: <Intel 82801EB (ICH5) USB controller USB-A> port 0xc800-0xc81f
    irq 16 at device 29.0 on pci0
    uhci0: [GIANT-LOCKED]
    usb0: <Intel 82801EB (ICH5) USB controller USB-A> on uhci0
    usb0: USB revision 1.0
    uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub0: 2 ports with 2 removable, self powered
    uhci1: <Intel 82801EB (ICH5) USB controller USB-B> port 0xcc00-0xcc1f
    irq 19 at device 29.1 on pci0
    uhci1: [GIANT-LOCKED]
    usb1: <Intel 82801EB (ICH5) USB controller USB-B> on uhci1
    usb1: USB revision 1.0
    uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub1: 2 ports with 2 removable, self powered
    uhci2: <Intel 82801EB (ICH5) USB controller USB-C> port 0xd000-0xd01f
    irq 18 at device 29.2 on pci0
    uhci2: [GIANT-LOCKED]
    usb2: <Intel 82801EB (ICH5) USB controller USB-C> on uhci2
    usb2: USB revision 1.0
    uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub2: 2 ports with 2 removable, self powered
    uhci3: <Intel 82801EB (ICH5) USB controller USB-D> port 0xd400-0xd41f
    irq 16 at device 29.3 on pci0
    uhci3: [GIANT-LOCKED]
    usb3: <Intel 82801EB (ICH5) USB controller USB-D> on uhci3
    usb3: USB revision 1.0
    uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub3: 2 ports with 2 removable, self powered
    pci0: <serial bus, USB> at device 29.7 (no driver attached)
    pcib1: <ACPI PCI-PCI bridge> at device 30.0 on pci0
    pci1: <ACPI PCI bus> on pcib1
    rl0: <RealTek 8139 10/100BaseTX> port 0xb800-0xb8ff mem
    0xff8ffc00-0xff8ffcff irq 22 at device 1.0 on pci1
    miibus0: <MII bus> on rl0
    rlphy0: <RealTek internal media interface> on miibus0
    rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
    rl0: Ethernet address: 00:08:54:1d:8b:e5
    fxp0: <Intel 82801BA (D865) Pro/100 VE Ethernet> port 0xbc00-0xbc3f
    mem 0xff8fe000-0xff8fefff irq 20 at device 8.0 on pci1
    miibus1: <MII bus> on fxp0
    inphy0: <i82562ET 10/100 media interface> on miibus1
    inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
    fxp0: Ethernet address: 00:11:11:85:ef:a8
    isab0: <PCI-ISA bridge> at device 31.0 on pci0
    isa0: <ISA bus> on isab0
    atapci0: <Intel ICH5 UDMA100 controller> port
    0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on
    pci0
    ata0: channel #0 on atapci0
    ata1: channel #1 on atapci0
    atapci1: <Intel ICH5 SATA150 controller> port
    0xd800-0xd80f,0xdc00-0xdc03,0xe000-0xe007,0xe400-0xe403,0xe800-0xe807
    irq 18 at device 31.2 on pci0
    ata2: channel #0 on atapci1
    ata3: channel #1 on atapci1
    pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
    pci0: <multimedia, audio> at device 31.5 (no driver attached)
    acpi_button0: <Sleep Button> on acpi0
    fdc0: <floppy drive controller> port
    0x3f7,0x3f4-0x3f5,0x3f2-0x3f3,0x3f0-0x3f1 irq 6 drq 2 on acpi0
    fdc0: [FAST]
    fd0: <1440-KB 3.5" drive> on fdc0 drive 0
    sio0: configured irq 4 not in bitmap of probed irqs 0
    sio0: port may not be enabled
    sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
    sio0: type 16550A
    ppc0: <Standard parallel printer port> port 0x378-0x37f irq 7 on acpi0
    ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
    ppbus0: <Parallel port bus> on ppc0
    plip0: <PLIP network interface> on ppbus0
    lpt0: <Printer> on ppbus0
    lpt0: Interrupt-driven port
    ppi0: <Parallel I/O> on ppbus0
    pmtimer0 on isa0
    atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
    atkbd0: <AT Keyboard> irq 1 on atkbdc0
    kbd0 at atkbd0
    atkbd0: [GIANT-LOCKED]
    sc0: <System console> at flags 0x100 on isa0
    sc0: VGA <16 virtual consoles, flags=0x300>
    sio1: configured irq 3 not in bitmap of probed irqs 0
    sio1: port may not be enabled
    vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
    Timecounter "TSC" frequency 2527014649 Hz quality 800
    Timecounters tick every 10.000 msec
    acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0%
    ad0: 152627MB <WDC WD1600BB-00DWA0/15.05R15> [310101/16/63] at
    ata0-master UDMA100
    acd0: CDROM <CDU5211/YYS7> at ata1-master UDMA33
    Mounting root from ufs:/dev/ad0s1a
    altq: emulate 256000000Hz cpu clock
    pf: started
    altq: started
    pf: dropping packet with ip options
    pf: dropping packet with ip options
    pf: dropping packet with ip options

    -------------------------------------------------
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