Date: Fri, 02 Apr 1999 16:34:10 -0800 From: gummibear@we.mediaone.net To: questions@freebsd.org Subject: Natd and Gateway Problems Message-ID: <3.0.6.32.19990402163410.0079a260@we.mediaone.net>
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Okay, so I've been screwing with this for about a week now. I'm sort of
getting pretty frustrated. I've treated FreeBSD with love and care, and
now it's spitting back in my face.
Here's the deal. I got 1 Win95 machine, one FreeBSD machine, and 1 cable
modem. I would like to use the FreeBSD machine as my Gateway and
Workstation. It has 2 network cards (ed0 and ed1).
I have read the manpages for natd. I have built a custom kernel with
IPFIREWALL and IPDIVERT. Below I have listed most of my configuration
files and output from ifconfig and netstat.
My ISP information is as follows:
My IP: 24.130.60.137
ISP's Gateway: 24.130.60.1
ISP's Netmask: 255.255.252.0
Here's my config files and stuff:
My rc.conf:
# -- sysinstall generated deltas -- #
ifconfig_ed0="inet
24.130.60.137 netmask 255.255.252.0"
ifconfig_ed1="inet 10.0.0.1 netmask
255.255.255.0"
defaultrouter="24.130.60.1"
network_interfaces="ed0 ed1
lo0"
hostname="gummibear.we.mediaone.net"
firewall_enable="YES"
gateway_enab
le="YES"
My rc.firewall:
/sbin/ipfw -f flush
/sbin/ipfw add divert natd
ip from any to any via ed0
/sbin/ipfw add allow ip from any to any
My
netstat -rn:
Internet:
Destination Gateway Flags
Refs Use Netif Expire
default 24.130.60.1 UGSc
1 194 ed0
24.130.60/22 link#1 UC 0
0 ed0
24.130.60.1 0:90:2b:93:c8:20 UHLW 1
0 ed0 1137
127.0.0.1 127.0.0.1 UH 0
0 lo0
My ifconfig -a:
ed0:
flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet
24.130.60.137 netmask 0xfffffc00 broadcast 24.130.63.255
ether
52:54:00:e1:14:b7
ed1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
ether 52:54:05:de:cc:f6
tun0: flags=8010<POINTOPOINT,MULTICAST> mtu
1500
ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
lo0:
flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1
netmask 0xff000000
My dmesg | more:
Copyright (c) 1992-1999 FreeBSD
Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the
University of California. All rights reserved.
FreeBSD 3.1-RELEASE #2: Sun
Mar 28 23:41:57 PST 1999
root@gummibear.we.mediaone.net:/usr/src/sys/compile/GUMMIBEAR
Timecounter
"i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 124231938
Hz
CPU: Pentium/P54C (124.23-MHz 586-class CPU)
Origin = "GenuineIntel"
Id = 0x52c Stepping=12
Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 67108864
(65536K bytes)
avail memory = 62959616 (61484K bytes)
Preloaded elf kernel
"kernel" at 0xf0236000.
Probing for devices on PCI bus 0:
chip0: <Intel
82437FX PCI cache memory controller> rev 0x02 on pci0.0.0
chip1: <Intel
82371FB PCI to ISA bridge> rev 0x02 on pci0.7.0
ide_pci0: <Intel PIIX
Bus-master IDE controller> rev 0x02 on pci0.7.1
ed0: <NE2000 PCI Ethernet
(RealTek 8029)> rev 0x00 int a irq 10 on pci0.8.0
ed0: address
52:54:00:e1:14:b7, type NE2000 (16 bit)
ed1: <NE2000 PCI Ethernet (RealTek
8029)> rev 0x00 int a irq 11 on pci0.9.0
ed1: address 52:54:05:de:cc:f6,
type NE2000 (16 bit)
<cut a bunch of misc hardware crap>
IP packet filtering initialized, divert enabled, rule-based forwarding
disabled,
logging disabled
changing root device to wd0s2a
Yeah, I know that the ifconfig doesn't have settings for ed1. As a last
resort I deleted the ed1 entry to see if I can at least try to ping out of
ed0. But zero, I can't do shit. I can't ping anything. It just doesn't
work. If I try to ping yahoo.com it just hangs there. When I boot it
hangs at sendmail and then I do a ctl-c to kill that and move on.
Some sample configurations, or a full blown detailed description of a
working system would be greatly appreciated. I guess if I can follow what
someone else did, then I can get this to work. I don't care about security
right now, I just want it to work. Then I'll worry about making scricter
firewall rules. (once I figure out how).
Thanks for your help.
Joey
================================================================
Joey Bear Garcia
Downey, CA
bear@pacificnet.net
================================================================
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