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Date:      Sun, 4 Nov 2001 15:13:34 -0500
From:      "Jason Cribbins" <jasonc@concentric.net>
To:        "Nick Rogness" <nick@rogness.net>
Cc:        <questions@FreeBSD.ORG>
Subject:   Re: Unable to get natd/ipfw to work properly
Message-ID:  <001701c1656d$2f97c240$05d85c42@kibserv.org>
References:  <Pine.BSF.4.21.0111032255140.10083-100000@cody.jharris.com>

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I rebuilt the kernel using the directions found on
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
using the "traditional" method since the "new" method wouldn't work
correctly.
I have confirmed the new kernel ident is displayed upon bootup.

Now I am back top this again
IP packet filtering initialized, divert disabled, rule-based forwarding
disabled
, default to deny, logging disabled

and this as well.
7:58pm mail:~ # ipfw add divert natd all from any to any via lnc0
ipfw: getsockopt(IP_FW_ADD): Invalid argument
7:58pm mail:~ #

What am I missing here?

Here are the config file that may apply:
# - MYKERN - BEGIN - #
machine         i386
cpu             I586_CPU
ident           COMPAQ-KERN
maxusers        32
#makeoptions    DEBUG=-g                #Build kernel with gdb(1) debug
symbols
options         IPDIVERT                #Requited by natd
options         MATH_EMULATE            #Support for x87 emulation
options         INET                    #InterNETworking
#options        INET6                   #IPv6 communications protocols
options         FFS                     #Berkeley Fast Filesystem
options         FFS_ROOT                #FFS usable as root device [keep
this!]
options         SOFTUPDATES             #Enable FFS soft updates support
#options        MFS                     #Memory Filesystem
#options        MD_ROOT                 #MD is a potential root device
#options        NFS                     #Network Filesystem
#options        NFS_ROOT                #NFS usable as root device, NFS
required
#options        MSDOSFS                 #MSDOS Filesystem
#options        CD9660                  #ISO 9660 Filesystem
#options        CD9660_ROOT             #CD-ROM usable as root, CD9660
required
options         PROCFS                  #Process filesystem
options         COMPAT_43               #Compatible with BSD 4.3 [KEEP
THIS!]
options         SCSI_DELAY=15000        #Delay (in ms) before probing SCSI
options         UCONSOLE                #Allow users to grab the console
options         USERCONFIG              #boot -c editor
options         VISUAL_USERCONFIG       #visual boot -c editor
options         KTRACE                  #ktrace(1) support
#options        SYSVSHM                 #SYSV-style shared memory
#options        SYSVMSG                 #SYSV-style message queues
#options        SYSVSEM                 #SYSV-style semaphores
options         P1003_1B                #Posix P1003_1B real-time extensions
options         _KPOSIX_PRIORITY_SCHEDULING
options         ICMP_BANDLIM            #Rate limit bad replies
options         KBD_INSTALL_CDEV        # install a CDEV entry in /dev

# To make an SMP kernel, the next two are needed
#options        SMP                     # Symmetric MultiProcessor Kernel
#options        APIC_IO                 # Symmetric (APIC) I/O
# - MYKERN - END - #
The rest is devices and all devices for INET are working fine

# - /etc/rc.conf - BEGIN - #
# NAT Settings
gateway_enable="YES"
natd_enable="YES"
natd_interface="lnc0"
natd_flags="-f /etc/local/etc/natd.cf"
firewall_enable="YES"
firewall_type="OPEN"
# - /etc/rc.conf - END - #

# - /usr/local/etc/natd.cf - BEGIN - #
log yes
use_sockets no
same_ports yes
interface lnc0
# - /usr/local/etc/natd.cf - END - #

# - ifconfig - BEGIN - #
lnc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 66.92.216.6 netmask 0xffffff00 broadcast 66.92.216.255
        ether 00:80:5f:f4:10:42
rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
        ether 00:02:2a:b0:6f:0e
        media: autoselect (none) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX
10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet 127.0.0.1 netmask 0xff000000
# - ifconfig - END - #

Unsure what else you may need?  Let me know.  I have one DSL line down and
this is a temporary fix for what may be a long term outage.

----- Original Message -----
From: "Nick Rogness" <nick@rogness.net>
To: "Jason Cribbins" <jasonc@concentric.net>
Cc: <questions@FreeBSD.ORG>
Sent: Sunday, November 04, 2001 12:13 AM
Subject: Re: Unable to get natd/ipfw to work properly


> On Sat, 3 Nov 2001, Jason Cribbins wrote:
>
> > Can someone help me past this error I am getting when trying to use
> > natd and ipfw
>
> > Nov 4 04:24:33 mail /kernel: IP packet filtering initialized,
> >divert disabled, rule-based forwarding disabled, default to deny, logging
>  ^^^^^^^^^^^^^^^
>
> This is your problem, you need to build a kernel with:
>
> options IPDIVERT
>
>
>
> Nick Rogness <nick@rogness.net>
>  - Keep on Routing in a Free World...
>   "FreeBSD: The Power to Serve!"
>
>
>


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